This standard specifies the technical requirements and inspection basis for three-phase bridge power rectifier modules. This standard applies to three-phase bridge rectifier modules (hereinafter referred to as modules) composed of six rectifier tube chips and rated at MDS5 to MDS150 according to the shell temperature. JB/T 5834.3-1991 Power rectifier module MDS series 5A and above three-phase bridge rectifier module JB/T5834.3-1991 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
Power Rectifier Module
MDS Series 5A and Above Three-Phase Bridge Rectifier Module 1 Subject Content and Scope of Application
JB5834.3-91
This standard specifies the technical requirements and inspection basis for three-phase bridge power rectifier modules. This standard applies to three-phase bridge rectifier modules (hereinafter referred to as modules) composed of six rectifier tube chips and rated at MDS5 to MDS150 according to the shell temperature.
Referenced standards
GB4937
Mechanical and climatic test methods for discrete semiconductor devices Acceptance and reliability of discrete semiconductor devices
GB4938
GB2423.4 Basic environmental test procedures for electrical and electronic products Test D: Cyclic damp heat test method GB2900.32 Electrical terminology, power semiconductor devices: 3 Technical requirements
.3.1 Dimensions
China
(MDS5)
Approved by the Ministry of Machinery and Electronics Industry in 1991-1024 52
Implemented in 1992-10-01
JB5834.8-91
corsaw
(OISAW)
Indicator transformer inquiry fee area||t t||JB5834:3--91
(MDS60, MDS100)
JB5834.3—91
JB5834.3-91
The module models and recommended dimensions are shown in Figures 1 to 6. 3.2 Rated values
3.2.1 The maximum rated values ​​(limit values) shall comply with the provisions of Table 1 (except I. [I. = The currents and voltages except 3IF(Av) are the values ​​of a single chip, the same below). DC output current MDS100 MDS150 Note: Forward average current Ig(AV) Forward (non-repetitive) surge current Ig(AV) is the value at the corresponding case temperature.
Reverse repetitiveReverse non-repetitive
Peak voltage
50~1600
4 ×103
Peak voltage
Equivalent junction temperature
This storage temperature
=0.9Vgm125 (or 150))
-40~140
(or 160)
Case temperature is the temperature of the geometric center point (reference point) of the long side of the bottom plate of the module shell. The values ​​in the equivalent junction temperature and creeping storage temperature are for non-epoxy package type, the same below. ?
Rated reverse repetitive peak voltage (VRR) is classified according to Table 2. Table 2
3.3 Characteristic values
Characteristic values ​​should comply with the provisions of Table 3.
MDS100
MDS150
Forward peak voltage
JB5834.S-91
Parameters and values
Reverse repetitive peak current
Note: ①Junction-to-case thermal resistance is the thermal resistance from the chip junction to the module shell reference point. Junction-to-case thermal resistance
Module insulation voltage is the withstand voltage between each terminal and the shell, which is the minimum value, and the others are the maximum values. ②
Inspection rules
.4.1 Batch-by-batch (Group A) inspection
Group A inspection shall be in accordance with Table 4.
Inspection Items
Electrical Special Parts
(Cannot Work)
V(RMS)
Inspection Method
Visual inspection under normal lighting and normal vision
According to A2b
See B1 in Appendix B
See B2 in Appendix B
Sine wave, 50Hz,
voltage 2000V,
maintaining time 1min
Note: ①USL is the value of the corresponding model in Table 3. The following is the same as ②AQL Sampling, see A1 in Appendix A.
Marking is clear, surface
No mechanical damage
Polarity reversal
VM>10USL
IRRM>100USL
Conform to Table 3
Conform to Table 3
No breakdown, flashover
Module insulation voltage
VISO(RMS)
Sampling plan
AQL(II)
If the first inspection of Group A fails, it can be resubmitted for inspection according to A1 in Appendix A with one level of strictness, but it can only be resubmitted once. 4.2 Periodic (Group B) Inspection
JB5834.3-91
Group B inspection shall be in accordance with Table 5. For the standardized products produced normally, at least one batch of Group B inspection shall be carried out every year. The inspection marked with (D) is destructive.
Inspection items
Weldability (applicable only to
welding electrodes)
Temperature change followed by
Damp heat and humidity (D)
Electrical durability
Release batch certification record
Inspection method
According to Figures 1 to 6
2.1.2 of GB4937
(Spige welding method)
3.1.1 of GB4937
TA=-40*℃, T=1409℃
(or 160-9℃)
Cycle 5 times
Test Ds: Method 2
Severity: 55℃
Cycle 6 times||tt ||High temperature reverse bias
GD4938's 3.2
sine wave 50Hz, 70%
VRRM, junction temperature = 125-g℃
(or 150)168h
Qualification criteria
Maximum shape and installation
dimensions meet the requirements
Good wetting
Final test:
VFM, IRRM meet
Table 3 requirements
Final test:
IRRM≤2USL
Briefly give the relevant attribute data and test conclusions of each grouping of B5 and B8. Method: ① In the sampling plan column, n is the sampling number, c is the qualified judgment number, and the same below. T
Sampling plan
If the first inspection of Group B fails, additional sampling can be carried out according to A2 in Appendix A for another inspection, but each inspection group can only be supplemented once, and the additional samples should undergo all inspections of the group. 4.3 Periodic (Group C) inspection
Group C inspection shall be in accordance with Table 6. For standardized products in normal production, at least batch C inspection shall be carried out every year. If the first inspection of Group C fails, it can be handled as the first inspection failure of Group B. 5 Marking and ordering information
5.1 Marking on the product
a. Product model and quality category (Class I) 3b. Manufacturer name, code or trademark;
c. Electrical schematic diagram, with "~" indicating the input terminal, "+" and "" indicating the output terminal d. Inspection batch identification code.
5.2 Markings on the packaging box (carton)
a. Product name, model and quality category;58
b. Manufacturer's name, code or trademark;
c: Inspection batch identification code;
d. Moisture-proof and rain-proof marks, etc.
Test Items
Resistance to welding heat (only applicable to welding electrodes)
Electrical durability
High temperature storage
Test Method
JB5834.3-91
According to Figure 1 to Figure 6
See B3 in Appendix B
50%VRRM,
1 time 1 cycle, 20 times,
See B4 in Appendix B
2.2.2 of GB4937
Method 1A
High temperature reverse bias
3.2 of CB4938
1000-8h
Others Conditions are the same as those for group B8
3.2 of GB4937
Tstg=140.9℃
(or 160_), 1000±h
Qualification criteria
All dimensions meet the requirements
Final test:
VM≤1.1USL
IRRM≤2USL
Meet the requirements of Table 3
Final test:
VEM, IRRM meet the requirements of Table 8
Final test:
V≤1.1USL
IRRM≤2USL
Final test:
VM≤1.1USL
RRM≤2USL
The release batch certification record briefly gives the relevant attribute data and test conclusions of the C8 and C9 groups. 5.3 Ordering information
At least the following information is required to order a specific product; a. Product model and quality category;
b. Number of this standard;
c. Others.
Sampling plan
A1AQL sampling
AQL sampling according to Table A1
Batch range
16—25
91-150
151280
281-500
501-1200
Sample size
Note: ①This table shows the inspection level (I) II
JB5834.3-91
Appendix A
(Supplement)
C is the qualified judgment number, and 1 is the unqualified judgment number; ②
The arrow indicates that the first sampling plan pointed to should be used. If the sample size at the corresponding point pointed by the arrow is equal to or greater than the batch, the batch should be subjected to a 100% inspection.
Additional sampling
Additional sampling according to Table A2
Sample quantity
Initial sampling
Additional sampling
Additional number
Qualified number
B1 Forward peak voltage (Vp)
This test uses the pulse method.
B1.1 Principle circuit and requirements
The principle circuit is shown in Figure B1.
JB5834.3--91
Appendix B
Inspection and testing of limit values ​​and electrical characteristics
(Supplement)
D——Device under test,
L, C-
Resistors for measuring current have been calibrated;
-Inductors and capacitors for generating forward current pulses, S--Switching devices for controlling current pulses, which generate pulses when connected remotely and should be disconnected immediately after the pulse current ends;
Vp, Ap
-Peak voltmeter, peak current meter or oscilloscope. The peak voltmeter should be able to display the voltage value when the forward current reaches the peak value.
B1.2 Test conditions
G-Adjustable pulse AC power supply.
a. Junction temperature: 25℃ for batch tests, 25℃ and T(vi) when required; b. Forward peak current: times of rated forward average current (3 is acceptable) or as specified in product standards; c. Current pulse width: selected based on the ability of the carriers of the device under test to fully achieve equilibrium during the measurement; d. Current pulse: can be a single shot or a low repetition frequency with negligible heat generation; e. Measurement point location: as specified in Figure B2 or at the corresponding two terminals of the module; f. Tightening pressure or torque between the device under test and the fixture: as specified in product standards. Venus pressure plate
All metal pressure plate
B2 Reverse repetitive peak current (IrR)
B2.1 Principle circuit and requirements
The principle circuit is shown in Figure B3;Www.bzxZ.net
One device under test:
—Adjustable AC voltage source
Rs—A resistor that has been calibrated to measure current;JB5834.3—91
A diode that provides a negative half-cycle voltage, so that only the reverse characteristics of D are measured, and the current limiting protection resistor. When D breaks down, the current passing through D is limited;Ap, Vp-
Oscilloscope. The peak current meter displays the current value when the reverse voltage reaches the peak value. B2.2 Test conditions
a. Junction temperature, 25°C and T(vi);
b. Reverse voltage: VRRM
c. AC voltage frequency: 50Hz,
B3 Forward (non-repetitive) surge current (Ips) B3.1 Principle circuit and requirements
The principle circuit is shown in Figure B4.
Device under test:
Ap, Vp
Peak current meter, bee value voltage meter or
~50H
-Peak current meter, peak voltage meter or oscilloscope (long afterglow time): -Diode blocking the forward voltage generated by transformer T2; R1--resistor regulating surge current;
Minimum protection resistor for normal operation of the circuit; During the forward surge half cycle, a mechanical electrical or electronic switch with a 180° conduction angle provides a low-voltage high-current transformer with a forward half-cycle surge current through S. This current waveform should basically be a sinusoidal half-wave with a duration of approximately 10ms and a repetition frequency of approximately 50 pulses per second;1 Principle circuit and requirements
The principle circuit is shown in Figure B4.
Device under test:
Ap, Vp
Peak current meter, bee value voltmeter or
~50H
A peak current meter, peak voltmeter or oscilloscope (long afterglow time): - A diode that blocks the forward voltage generated by transformer T2; R1--A resistor that adjusts the surge current;
The minimum protective resistor for the normal operation of the circuit; During the forward surge half cycle, a mechanical electrical or electronic switch with a 180° conduction angle provides a low-voltage high-current transformer with a forward half-cycle surge current through S. This current waveform should basically be a sinusoidal half-wave with a duration of approximately 10ms and a repetition frequency of approximately 50 pulses per second;1 Principle circuit and requirements
The principle circuit is shown in Figure B4.
Device under test:
Ap, Vp
Peak current meter, bee value voltmeter or
~50H
A peak current meter, peak voltmeter or oscilloscope (long afterglow time): - A diode that blocks the forward voltage generated by transformer T2; R1--A resistor that adjusts the surge current;
The minimum protective resistor for the normal operation of the circuit; During the forward surge half cycle, a mechanical electrical or electronic switch with a 180° conduction angle provides a low-voltage high-current transformer with a forward half-cycle surge current through S. This current waveform should basically be a sinusoidal half-wave with a duration of approximately 10ms and a repetition frequency of approximately 50 pulses per second;
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