This part of GB/T8446 specifies the terminology, type and size, technical requirements, inspection rules, marking, packaging and other requirements for heat sinks. This part applies to cast (including extruded) heat sinks with thermal resistance of 7.5℃/W to 0.01℃/W for power semiconductor devices. Profile heat sinks whose shape and installation dimensions meet the requirements of Chapter 5 of this part can also be used for reference. This part does not apply to heat pipe heat sinks. GB/T 8446.1-2004 Heat sinks for power semiconductor devices Part 1: Casting series GB/T8446.1-2004 Standard download decompression password: www.bzxz.net

ICS 31.080
National Standard of the People's Republic of China
GB/R 8446, 1--2004
Replaces GB/T 8446.11987
Heat sink for power semiconductor devicePart 1 : Casting kind series2004-02-04Promulgated
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of ChinaChina National Standardization AdministrationbzxZ.net
2004-08-01Implementation
GH/T8446 "Heat sink for power semiconductor devices" is divided into three parts: Part 1, Casting kind series, Part 2: Test methods for thermal resistance and flow resistance, Part 3: Insulation and fasteners.
This part is the first part of GB/T8446.
This part replaces GH/T8446.1-1687 "Heat sink for power semiconductor devices". The main changes of this part compared with GB3/T8446.1-1987 are as follows: GB/T B446.1-2004
-——The writing rules of the standard basis have changed greatly. GB/T8446.1-1987 is based on GB.1-1987. This part is based on GR/T 1.1-2000;
According to the requirements of GB/T1.1-2000, the foreword, "Scope" and "Normative customary documents" are added, and the additional instructions are deleted. The "clause level" is added;
The scope of application is expanded. It was originally only applicable to casting heat sinks, but it was expanded to also apply to single-material heat sinks (the scope of application of the 1987 edition and 11; the first paragraph of this edition Chapter 4.1)\ The "Explanation of Terms" (reference document) originally included in Appendix C is now Chapter 3 "Terms and Definitions", and the English names of the terms are supplemented and some purple text processing is done (Appendix C of the 1987 version is Chapter 3 of this version), and SF18 (A), SS15 and SS16 heat sinks and their corresponding dimensions and parameter indicators are added (4.3, 5.3.5.4 and 6, 3):
- Delete the SP series of self-cooling fin radiators and the corresponding dimensions, parameter indicators and other contents (1.3, 2.1 and 3.3.3 of 1987): - The maximum allowable value of the surface roughness of the conductive bar of the SF series and SS series has been changed from 10μm to 6.3μIn (Figures 10 to 12 of the 1987 edition; Figures 9 to 11 of this edition);
The maximum allowable value of the surface roughness of the radiator table has been changed from 2.5μm to 1.6um (Figure 3.1.3 of the 1987 edition; 6.1.3 of this edition) ;
The D. size of SF17 and SF17A has been changed from 150mm to 140mm (Table 10 of 2.3 of 1987 edition; Table 9 of 5.3 of this edition)
~The original H. size of SF series and SS series heat sinks is related to the height of the device, and is now changed to the commercial size of a heat sink (2.3 and 2.4 of 1987 edition; 5.3 and 5.4 of this edition). The original "SZ and SL series size" includes eight sub-strips, which are now modified to "SZ and SL series conductive sheet size" and "SZ and SL series heat sink size", and each has three sub-strips and four sub-strips (2.21 of 1987 edition, 5.3 of this edition). 1 and 5.2)
Flat plate heat sink cathode insulation withstand voltage: the original air and water cooling heat sinks are both 8kV. It was revised to SS series 5kV and SF series 8kV (3.3.1 and Table 14 of the 1987 edition and 6.3.1 and Table 12 of this edition); the "installation size parameter" of the flat plate heat sink, which was originally "the maximum diameter of the tube shell table that can be installed" DI, is now revised to "the maximum diameter of the device that can be installed" Dx (Table 13 of 3.3.3 of the 1987 edition; Table 11 of 6.3.3 of this edition); the periodic inspection period is changed from two years to three years (1987 edition·4. 2.1; 7.2.1 of this edition) The original sampling schemes for periodic inspection (13, 1), (11, 1), (9, 1) are now uniformly revised to (3, 0), and the original notes ① and ② are deleted (4, 2.2 of the 1987 edition and 7.2.3 of this edition); - According to the relevant standards, the following editorial changes are also made: 1) The term "this standard" is changed to "this part"; GB/T8446.1-2004
The symbol for the size of the conductive sheet of the bolt-shaped radiator\8\ is changed to H, H. or Hs (2.2.1~2.2.3 of the 1987 edition; 5, 1. 15. 1. 3);
The original Figure 10-1 and Figure 10-2 are changed to Figure 9 and Figure 10; the original SL17B and SL18B specifications are corrected to SL17A and SL18A, and the SZ17A specification is clearly given4)
(Table 2, Table 5, Table 6 and Figure 7 of the 1987 edition; 2, 5, Table 7 and Figure 7 of this edition)5) The original International Document Classification Number (UDC) on the upper left corner of the standard cover is now changed to the International Standard Classification Number (ICS). GB/T8446 is one of the series of standards consisting of various heat saver standards and heat sink selection guidelines for power semiconductor devices. This series of standards also includes:
inch B/T5781 Technical conditions for profile heat sinks for power semiconductor devices - JB/T8175 External dimensions of profile heat sinks for power semiconductor devices - JB/T8757 Heat pipe heat sinks for power semiconductor devices JB/T9684 Guidelines for selection of heat sinks for power semiconductor devices Appendix B of this part is a normative appendix, and Appendix A is an informative appendix. This part is proposed by the China Electrical Equipment Industry Association. This part is under the jurisdiction of the Xi'an Electric Power Electronics Technology Research Institute. The drafting units of this part: Jiangyin Thyristor Accessories Co., Ltd., Wenzhou Xiangbo Power Electronics Co., Ltd., Xiangfan Instrument Components Factory, Yancheng Caiyang Electric Appliances Co., Ltd., Beijing Dongdian Electric Co., Ltd., Beijing Xieli Electronic Devices Co., Ltd., and Xi'an Electric Power Electronics Technology Research Institute. The main drafters of this part: Xia Xianzhong, Xia Botao, Zhang Jun, Rou Chun, Huang Zhihong, Lu Zhengbai, and Qin Ziman. This part was first published in July 1979 as JB2594-1979 Heat sinks for power semiconductor devices. It was revised for the first time in 1985 and 1986 and upgraded to a national standard and published as GB/T8446.1··1987. This is the second revision. 1 Scope
Heat sinks for power semiconductor devices
Part 1, Casting series
GB/T8446.1—2004
This part of GB/T8446 The definition of terms, type and size, technical requirements, inspection rules and marking, packaging and other requirements of heat sinks are specified.
This part is applicable to cast (including extruded) heat sinks with thermal resistance between 7.5℃/W and 0.01℃/W for power semiconductor devices. Profile heat sinks whose dimensions and installation dimensions conform to the provisions of Section 5 of this part can be used without limitation: this part does not apply to heat pipe heat sinks. 2 Normative references
The clauses in the following documents become the clauses of this part through the application of this part of GB/T8446. For any dated referenced document, all subsequent amendments (excluding errata) or revisions are not applicable to this part. However, the parties to the agreement based on this part are encouraged to study whether the latest versions of these documents can be used. For any undated referenced document, the latest version shall apply to this part.
GB/T1031 Surface roughness parameters and their values ​​(GB/T1031—1995.eqIS0468:1 982GB/T1958 Shape and position tolerance test regulations GB/T2900.32-1994 Electrical power semiconductor devices GB/T8446.2 Thermal resistance and resistance test method for heat sinks for power semiconductor devices GB/T8446.3 Heat sinks for power semiconductor devices Insulation parts and fasteners 3 Terms and definitions
The following terms and definitions specified in GB/T290032-1994 apply to this part of GB/T8446. 3.
Heat sink (for power semiconductor devices) heaEsink (For power semiconductor devices) is a set of mechanical components composed of heat sink, conductive terminals, fasteners and insulating parts (if any), which has the function of heat dissipation for power semiconductor devices.
[GB/T2900.32-1994, definition 2.4.1. In the definition, "structure\ is changed to\component". : The unit of heat sink products is generally referred to as "set". A set of bolt-type heat sink contains one heat sink, and a set of flat-plate heat sink contains two heat sinks. 3.2
Radiator
A heat conductor consisting of a substrate (or with a substrate) and blades, which plays a major role in the heat dissipation function of the radiator. [GB/T 2900. 32--1994, definition 2. 4. 2.] 3.3
Reference surface
The surface of the radiator that contacts the power semiconductor device. 3.4
Reference surface temperatureT
GB/T 8446.1—2004
The temperature measured at a specified point on the radiator surface to calculate the thermal resistance of the radiator. Note: The unit of the surface temperature is .
Thermal resistance of heat sinkR·Rals
A measure of the ability to dissipate heat from semiconductor devices. Its value is: under thermal equilibrium conditions, the ratio of the difference between the surface temperature and the cooling medium temperature at a specified point to the power dissipated by the device,
Note: The unit of thermal resistance of the heat sink is C/W or K/W, 3.6
1 fluid resistance
The pressure difference of the cooling fluid at specified points on both ends of the heat sink in the standard air duct and water system, Note 1: The fluid resistance is also called wind resistance in the air duct system and water resistance in the water system. Note 2: The unit of fluid is Pa.
Mounting torque LMounting pressure is the torque [pressure rating value] when the power semiconductor device is mounted on the heat sink so that the two have good thermal contact. : The unit of mounting torque is N·, and the unit of mounting pressure is N or kN. 4 Type and series
4.1 Model
The type of the radiator shall comply with the provisions of Figure 1:
1X(2X)
(one letter)
(two digits)
one floating spelling)
(one number)
Specification code (with)
Variety serial number of cast radiators
(2X: variety serial number of profile radiators)
Cooling and installation method code (see Table 1)
Chemical code of cast radiators
Model of the radiator in Figure 1
4.2 Code of cooling and installation method
The cooling and installation method code of the radiator shall comply with the provisions of Table 1. Table 1
Cooling installation method
Self-cooling screw-shaped
Air-cooling bolt-shaped
Wind-bell card expansion
Water-cooled flat-plate type
4.3 Series classification
The classification of casting radiator series conforms to the provisions of Table 2. Table 2
Series name
5Z series
Self-cooling bolt-shaped radiator
SL series
Air-cooled screw-shaped radiator
SF series
Air-cooled flat-plate radiator
SS series
Water-cooled flat-plate radiator
5 Overall dimensions and installation dimensions
5.1 Conductive sheet dimensions of SZ and L series
Variety and specification model
The bolt-shaped radiator (SZ and SI series) consists of two parts: the conductive sheet for installation and the heat sink. GB/T 9446.1—2004
5.1.1 The dimensions of the conductive sheet of SZ13, SZ14, SZ14A and SZ14B bolt-type heat sinks shall comply with the provisions of Figure 2 and Table 3. SN
Figure 2 Conductive sheet capsule 3 of SZ13SZ14, SZ14A and SZ14B heat sinks
Overall dimensions
Variety specifications
Unit is distance
Installation scale
GB/T 8446.1—2004
5.1.2 The dimensions of the conductive sheet of SZ15, SZ15A, SZ16, SZ17, SZ17A, SL16.SL20 and SL21 bolt-type heat sinks shall comply with the provisions of Figure 3 and Table 4.
Figure 3 Conductive sheet cost of S215SZ15A, SZ16, SZ17, SZ17A, SL6, SL20, SL21 radiators4
Variety and specification
Overall dimensions
..comSR
Unit: millimeter
Installation dimensions
GB/T 8446.1--2004
5.1.3 The dimensions of the conductive sheets of SL17, SL17A, SL18SI.18A, SI.19 and SI.19A burst-bolt radiators shall comply with the requirements of Figure 4 and Table 5.
Figure 4 Conductive sheet 5 of radiator SI.17, SL17A, SL18, SL18A, SL19, SL19A
Overall dimensions
Specialization
Unit: meter
Installation nict
GB/T 8446. 12004
5.2 Dimensions of heat sink of SZ and SL
5.2.1 Dimensions of heat sink of bolt-type radiator of SZ13, SZ14, SZ14A, SZ14R, SZ15, SZ15A, SZ16 and SI.16 shall comply with the requirements of Figure 5 and Table 6.
Figure 5 Heat sink table 6 of SZ13, SZ14, SZ14A, SZ14B, SZ15, SZ15A, SZ16 and SL16 radiators
Overall dimensions
Specialties
Installation dimensions
The heat sink dimensions of SZ17 and SZ17A bolt-type radiators shall comply with the provisions of Figure 6. Positioning holes
Unit: meter
Axis to surface A
The heat sink A size of SL17, SL17A, SL18 and SL18A bolt-type radiators shall comply with the provisions of Figure 7 and Table 7. Z
M10-6H
Note: M16X1.5-6H is the size of SZ17A
M1G-BH
(M16X1.56H)
Figure 6 Heat sink of SZ17, SZ17A heat sink
Figure 7 Heat sink of SL17, SL17A, SL8 and SI.18A heat sink..comGB/T 8446. 1-2004
GB/T8446.1—-2004
Overall dimensions
Specifications
Installation dimensions
M16×1. 5
Positioning hole
Unit is pot meter
d sodium line to surface A
Verticality
SI.19, SL19A, SL20 and SL.21 The heat sink dimensions of bolt-type heat sinks shall comply with the provisions of Figure 8 and Table 8. -6H
Figure 8 SL19, SL19A, SE20 and SL21 heat sinks Table 8
Overall dimensions
Variety specifications
160!
Installation size
M24 x1. 5
Dimension
Unit: mm
d Axis to A surface
Verticality
5.3 Dimensions of SF series
GB/T8446.1—2004
5.3. The dimensions of SF11, SF12 and SF13 air-cooled flat radiators after assembly shall comply with the requirements of Figure 9 and Table 9. H2
Figure 9 SF11, SF12, SF13 radiators
：com6
1 fluid resistance
The pressure difference of cooling fluid at specified points on both ends of the heat sink in the standard air duct and water system. Note 1: Fluid resistance is also called wind resistance in the air duct system and water resistance in the water system. Note 2: The unit of fluid resistance is Pa.
Mounting torque LMounting pressure is the mounting torque [mnunting force M [F]
The torque [pressure rating] when the power semiconductor device is mounted on the heat sink so that the two have good thermal contact. : The unit of mounting torque is N·, and the unit of mounting pressure is N or kN. 4 Type and series
4.1 Model
The type of the radiator shall comply with the provisions of Figure 1:
1X(2X)
(one letter)
(two digits)
one floating spelling)
(one number)
Specification code (with)
Variety serial number of cast radiators
(2X: variety serial number of profile radiators)
Cooling and installation method code (see Table 1)
Chemical code of cast radiators
Model of the radiator in Figure 1
4.2 Code of cooling and installation method
The cooling and installation method code of the radiator shall comply with the provisions of Table 1. Table 1
Cooling installation method
Self-cooling screw-shaped
Air-cooling bolt-shaped
Wind-bell card expansion
Water-cooled flat-plate type
4.3 Series classification
The classification of casting radiator series conforms to the provisions of Table 2. Table 2
Series name
5Z series
Self-cooling bolt-shaped radiator
SL series
Air-cooled screw-shaped radiator
SF series
Air-cooled flat-plate radiator
SS series
Water-cooled flat-plate radiator
5 Overall dimensions and installation dimensions
5.1 Conductive sheet dimensions of SZ and L series
Variety and specification model
The bolt-shaped radiator (SZ and SI series) consists of two parts: the conductive sheet for installation and the heat sink. GB/T 9446.1—2004
5.1.1 The dimensions of the conductive sheet of SZ13, SZ14, SZ14A and SZ14B bolt-type heat sinks shall comply with the provisions of Figure 2 and Table 3. SN
Figure 2 Conductive sheet capsule 3 of SZ13SZ14, SZ14A and SZ14B heat sinks
Overall dimensions
Variety specifications
Unit is distance
Installation scale
GB/T 8446.1—2004
5.1.2 The dimensions of the conductive sheet of SZ15, SZ15A, SZ16, SZ17, SZ17A, SL16.SL20 and SL21 bolt-type heat sinks shall comply with the provisions of Figure 3 and Table 4.
Figure 3 Conductive sheet cost of S215SZ15A, SZ16, SZ17, SZ17A, SL6, SL20, SL21 radiators4
Variety and specification
Overall dimensions
..comSR
Unit: millimeter
Installation dimensions
GB/T 8446.1--2004
5.1.3 The dimensions of the conductive sheets of SL17, SL17A, SL18SI.18A, SI.19 and SI.19A burst-bolt radiators shall comply with the requirements of Figure 4 and Table 5.
Figure 4 Conductive sheet 5 of radiator SI.17, SL17A, SL18, SL18A, SL19, SL19A
Overall dimensions
Specialization
Unit: meter
Installation nict
GB/T 8446. 12004
5.2 Dimensions of heat sink of SZ and SL
5.2.1 Dimensions of heat sink of bolt-type radiator of SZ13, SZ14, SZ14A, SZ14R, SZ15, SZ15A, SZ16 and SI.16 shall comply with the requirements of Figure 5 and Table 6.
Figure 5 Heat sink table 6 of SZ13, SZ14, SZ14A, SZ14B, SZ15, SZ15A, SZ16 and SL16 radiators
Overall dimensions
Specialties
Installation dimensions
The heat sink dimensions of SZ17 and SZ17A bolt-type radiators shall comply with the provisions of Figure 6. Positioning holes
Unit: meter
Axis to surface A
The heat sink A size of SL17, SL17A, SL18 and SL18A bolt-type radiators shall comply with the provisions of Figure 7 and Table 7. Z
M10-6H
Note: M16X1.5-6H is the size of SZ17A
M1G-BH
(M16X1.56H)
Figure 6 Heat sink of SZ17, SZ17A heat sink
Figure 7 Heat sink of SL17, SL17A, SL8 and SI.18A heat sink..comGB/T 8446. 1-2004
GB/T8446.1—-2004
Overall dimensions
Specifications
Installation dimensions
M16×1. 5
Positioning hole
Unit is pot meter
d sodium line to surface A
Verticality
SI.19, SL19A, SL20 and SL.21 The heat sink dimensions of bolt-type heat sinks shall comply with the provisions of Figure 8 and Table 8. -6H
Figure 8 SL19, SL19A, SE20 and SL21 heat sinks Table 8
Overall dimensions
Variety specifications
160!
Installation size
M24 x1. 5
Dimension
Unit: mm
d Axis to A surface
Verticality
5.3 Dimensions of SF series
GB/T8446.1—2004
5.3. The dimensions of SF11, SF12 and SF13 air-cooled flat radiators after assembly shall comply with the requirements of Figure 9 and Table 9. H2
Figure 9SF11, SF12, SF13 radiators
：com6
1 fluid resistance
The pressure difference of cooling fluid at specified points on both ends of the heat sink in the standard air duct and water system. Note 1: Fluid resistance is also called wind resistance in the air duct system and water resistance in the water system. Note 2: The unit of fluid resistance is Pa.
Mounting torque LMounting pressure is the mounting torque [mnunting force M [F]
The torque [pressure rating] when the power semiconductor device is mounted on the heat sink so that the two have good thermal contact. : The unit of mounting torque is N·, and the unit of mounting pressure is N or kN. 4 Type and series
4.1 Model
The type of the radiator shall comply with the provisions of Figure 1:
1X(2X)
(one letter)
(two digits)
one floating spelling)
(one number)
Specification code (with)
Variety serial number of cast radiators
(2X: variety serial number of profile radiators)
Cooling and installation method code (see Table 1)
Chemical code of cast radiators
Model of the radiator in Figure 1
4.2 Code of cooling and installation method
The cooling and installation method code of the radiator shall comply with the provisions of Table 1. Table 1
Cooling installation method
Self-cooling screw-shaped
Air-cooling bolt-shaped
Wind-bell card expansion
Water-cooled flat-plate type
4.3 Series classification
The classification of casting radiator series conforms to the provisions of Table 2. Table 2
Series name
5Z series
Self-cooling bolt-shaped radiator
SL series
Air-cooled screw-shaped radiator
SF series
Air-cooled flat-plate radiator
SS series
Water-cooled flat-plate radiator
5 Overall dimensions and installation dimensions
5.1 Conductive sheet dimensions of SZ and L series
Variety and specification model
The bolt-shaped radiator (SZ and SI series) consists of two parts: the conductive sheet for installation and the heat sink. GB/T 9446.1—2004
5.1.1 The dimensions of the conductive sheet of SZ13, SZ14, SZ14A and SZ14B bolt-type heat sinks shall comply with the provisions of Figure 2 and Table 3. SN
Figure 2 Conductive sheet capsule 3 of SZ13SZ14, SZ14A and SZ14B heat sinks
Overall dimensions
Variety specifications
Unit is distance
Installation scale
GB/T 8446.1—2004
5.1.2 The dimensions of the conductive sheet of SZ15, SZ15A, SZ16, SZ17, SZ17A, SL16.SL20 and SL21 bolt-type heat sinks shall comply with the provisions of Figure 3 and Table 4.
Figure 3 Conductive sheet cost of S215SZ15A, SZ16, SZ17, SZ17A, SL6, SL20, SL21 radiators4
Variety and specification
Overall dimensions
..comSR
Unit: millimeter
Installation dimensions
GB/T 8446.1--2004
5.1.3 The dimensions of the conductive sheets of SL17, SL17A, SL18SI.18A, SI.19 and SI.19A burst-bolt radiators shall comply with the requirements of Figure 4 and Table 5.
Figure 4 Conductive sheet 5 of radiator SI.17, SL17A, SL18, SL18A, SL19, SL19A
Overall dimensions
Specialization
Unit: meter
Installation nict
GB/T 8446. 12004
5.2 Dimensions of heat sink of SZ and SL
5.2.1 Dimensions of heat sink of bolt-type radiator of SZ13, SZ14, SZ14A, SZ14R, SZ15, SZ15A, SZ16 and SI.16 shall comply with the requirements of Figure 5 and Table 6.
Figure 5 Heat sink table 6 of SZ13, SZ14, SZ14A, SZ14B, SZ15, SZ15A, SZ16 and SL16 radiators
Overall dimensions
Specialties
Installation dimensions
The heat sink dimensions of SZ17 and SZ17A bolt-type radiators shall comply with the provisions of Figure 6. Positioning holes
Unit: meter
Axis to surface A
The heat sink A size of SL17, SL17A, SL18 and SL18A bolt-type radiators shall comply with the provisions of Figure 7 and Table 7. Z
M10-6H
Note: M16X1.5-6H is the size of SZ17A
M1G-BH
(M16X1.56H)
Figure 6 Heat sink of SZ17, SZ17A heat sink
Figure 7 Heat sink of SL17, SL17A, SL8 and SI.18A heat sink..comGB/T 8446. 1-2004
GB/T8446.1—-2004
Overall dimensions
Specifications
Installation dimensions
M16×1. 5
Positioning hole
Unit is pot meter
d sodium line to surface A
Verticality
SI.19, SL19A, SL20 and SL.21 The heat sink dimensions of bolt-type heat sinks shall comply with the provisions of Figure 8 and Table 8. -6H
Figure 8 SL19, SL19A, SE20 and SL21 heat sinks Table 8
Overall dimensions
Variety specifications
160!
Installation size
M24 x1. 5
Dimension
Unit: mm
d Axis to A surface
Verticality
5.3 Dimensions of SF series
GB/T8446.1—2004
5.3. The dimensions of SF11, SF12 and SF13 air-cooled flat radiators after assembly shall comply with the requirements of Figure 9 and Table 9. H2
Figure 9 SF11, SF12, SF13 radiators
：comIt shall comply with the provisions of Figure 2 and Table 3. SN
Figure 2 Conductive sheet capsule 3 of SZ13SZ14, SZ14A, SZ14B radiator
Overall dimensions
Specialization
Unit is distance
Installation dimension
GB/T 8446.1—2004
5.1.2 The conductive sheet dimensions of SZ15, SZ15A, SZ16, SZ17, SZ17A, SL16.SL20 and SL21 bolt-type radiators shall comply with the provisions of Figure 3 and Table 4.
Figure 3 Conductive sheet cost of S215SZ15A, SZ16, SZ17, SZ17A, SL6, SL20, SL21 radiators4
Variety and specification
Overall dimensions
..comSR
Unit: millimeter
Installation dimensions
GB/T 8446.1--2004
5.1.3 The dimensions of the conductive sheets of SL17, SL17A, SL18SI.18A, SI.19 and SI.19A burst-bolt radiators shall comply with the requirements of Figure 4 and Table 5.
Figure 4 Conductive sheet 5 of radiator SI.17, SL17A, SL18, SL18A, SL19, SL19A
Overall dimensions
Specialization
Unit: meter
Installation nict
GB/T 8446. 12004
5.2 Dimensions of heat sink of SZ and SL
5.2.1 Dimensions of heat sink of bolt-type radiator of SZ13, SZ14, SZ14A, SZ14R, SZ15, SZ15A, SZ16 and SI.16 shall comply with the requirements of Figure 5 and Table 6.
Figure 5 Heat sink table 6 of SZ13, SZ14, SZ14A, SZ14B, SZ15, SZ15A, SZ16 and SL16 radiators
Overall dimensions
Specialties
Installation dimensions
The heat sink dimensions of SZ17 and SZ17A bolt-type radiators shall comply with the provisions of Figure 6. Positioning holes
Unit: meter
Axis to surface A
The heat sink A size of SL17, SL17A, SL18 and SL18A bolt-type radiators shall comply with the provisions of Figure 7 and Table 7. Z
M10-6H
Note: M16X1.5-6H is the size of SZ17A
M1G-BH
(M16X1.56H)
Figure 6 Heat sink of SZ17, SZ17A heat sink
Figure 7 Heat sink of SL17, SL17A, SL8 and SI.18A heat sink..comGB/T 8446. 1-2004
GB/T8446.1—-2004
Overall dimensions
Specifications
Installation dimensions
M16×1. 5
Positioning hole
Unit is pot meter
d sodium line to surface A
Verticality
SI.19, SL19A, SL20 and SL.21 The heat sink dimensions of bolt-type heat sinks shall comply with the provisions of Figure 8 and Table 8. -6H
Figure 8 SL19, SL19A, SE20 and SL21 heat sinks Table 8
Overall dimensions
Variety specifications
160!
Installation size
M24 x1. 5
Dimension
Unit: mm
d Axis to A surface
Verticality
5.3 Dimensions of SF series
GB/T8446.1—2004
5.3. The dimensions of SF11, SF12 and SF13 air-cooled flat radiators after assembly shall comply with the requirements of Figure 9 and Table 9. H2
Figure 9 SF11, SF12, SF13 radiators
：comIt shall comply with the provisions of Figure 2 and Table 3. SN
Figure 2 Conductive sheet capsule 3 of SZ13SZ14, SZ14A, SZ14B radiator
Overall dimensions
Specialization
Unit is distance
Installation dimension
GB/T 8446.1—2004
5.1.2 The conductive sheet dimensions of SZ15, SZ15A, SZ16, SZ17, SZ17A, SL16.SL20 and SL21 bolt-type radiators shall comply with the provisions of Figure 3 and Table 4.
Figure 3 Conductive sheet cost of S215SZ15A, SZ16, SZ17, SZ17A, SL6, SL20, SL21 radiators4
Variety and specification
Overall dimensions
..comSR
Unit: millimeter
Installation dimensions
GB/T 8446.1--2004
5.1.3 The dimensions of the conductive sheets of SL17, SL17A, SL18SI.18A, SI.19 and SI.19A burst-bolt radiators shall comply with the requirements of Figure 4 and Table 5.
Figure 4 Conductive sheet 5 of radiator SI.17, SL17A, SL18, SL18A, SL19, SL19A
Overall dimensions
Specialization
Unit: meter
Installation nict
GB/T 8446. 12004
5.2 Dimensions of heat sink of SZ and SL
5.2.1 Dimensions of heat sink of bolt-type radiator of SZ13, SZ14, SZ14A, SZ14R, SZ15, SZ15A, SZ16 and SI.16 shall comply with the requirements of Figure 5 and Table 6.
Figure 5 Heat sink table 6 of SZ13, SZ14, SZ14A, SZ14B, SZ15, SZ15A, SZ16 and SL16 radiators
Overall dimensions
Specialties
Installation dimensions
The heat sink dimensions of SZ17 and SZ17A bolt-type radiators shall comply with the provisions of Figure 6. Positioning holes
Unit: meter
Axis to surface A
The heat sink A size of SL17, SL17A, SL18 and SL18A bolt-type radiators shall comply with the provisions of Figure 7 and Table 7. Z
M10-6H
Note: M16X1.5-6H is the size of SZ17A
M1G-BH
(M16X1.56H)
Figure 6 Heat sink of SZ17, SZ17A heat sink
Figure 7 Heat sink of SL17, SL17A, SL8 and SI.18A heat sink..comGB/T 8446. 1-2004
GB/T8446.1—-2004
Overall dimensions
Specifications
Installation dimensions
M16×1. 5
Positioning hole
Unit is pot meter
d sodium line to surface A
Verticality
SI.19, SL19A, SL20 and SL.21 The heat sink dimensions of bolt-type heat sinks shall comply with the provisions of Figure 8 and Table 8. -6H
Figure 8 SL19, SL19A, SE20 and SL21 heat sinks Table 8
Overall dimensions
Variety specifications
160!
Installation size
M24 x1. 5
Dimension
Unit: mm
d Axis to A surface
Verticality
5.3 Dimensions of SF series
GB/T8446.1—2004
5.3. The dimensions of SF11, SF12 and SF13 air-cooled flat radiators after assembly shall comply with the requirements of Figure 9 and Table 9. H2
Figure 9SF11, SF12, SF13 radiators
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