This standard specifies the technical requirements for the type, size, parameters, inspection and marking of thyristors used in the main circuits of power frequency resistance welding machines and arc welding machines. This standard applies to KE type 50A reverse blocking three-stage thyristors (hereinafter referred to as thyristors) rated according to the shell for resistance welding machines and arc welding machines. JB/T 6324-1992 KE type 50A to 500A thyristor for electric welding machine JB/T6324-1992 Standard download and decompression password: www.bzxz.net

K46
JB
People's Republic of China Pressure Machinery Industry Standard JB/T63241992
KED50A500A
1992-06-26 4
e
1/4
1993-01-01fish
G R2 0P uDEe/
KED50A500A
1 Subject content and scope of application
JB/T63241992
This standard specifies the technical requirements for the type, size, parameters, inspection and marking of thyristors used in the main circuit of power frequency resistance welding machines and arc welding machines.
This standard applies to KE type 50A to 500A reverse blocking three-stage thyristors (hereinafter referred to as thyristors) rated by shell for resistance welding machines and arc welding machines.
2 Reference standards
GB2900.32
GB4024
GB4937
GB4938
GB8446.1
Electrical terminology Power semiconductor devices
Test methods for reverse blocking three-pole thyristors for semiconductor devices Mechanical and climatic test methods for discrete semiconductor devices Acceptance and reliability of discrete semiconductor devices
Radiators for power semiconductor devices
GB/T11456
Dimensions of profile heat sinks for power semiconductor devices JB42 77
JB/Z363
Technical conditions for packaging of power semiconductor devices
Heat sinks for power semiconductor devices Use guide model and dimensions
3
3.1 Model
KEO-
Off-state and reverse repetitive peak voltage levels
Power frequency rated on-state average current (unit: A) For resistance welding machines and arc welding machines
Reverse blocking triode thyristors
3.2 Appearance
3.2.1, Bolt type
The dimensions of bolt-type thyristors shall comply with the requirements of Figure 1 and Table 1. 1992-06-26 Mouse
1
1993-01-01
Push
d,
Recommend
IT(AV)
A
50
100
200
300
M
Cathode lead
Soft cathode lead|| tt||Hard cathode lead
Soft cathode lead
Hard cathode lead
Soft cathode lead
Hard cathode lead
Soft cathode lead
Hard cathode lead
M
d
M12
M12
M16×1.5
M16×1.5
M2 0×1.
.5
M20×1.5
M24X1.5
d
8.5
8.5
8.5
R
10.5
10.5
10.5
M24X1.5
d| |tt||JB/T63241992
Figure 1a
Figure 1b
Table 1
Scale
M
3.2~4.5
3.2~4.5
3.2~4.5
3.2~4.5
3.2~4.5
7
16
23
23
10
210
e10
No.
150± 15
200±20
250±25
250±25
>
>
64
≤64
S80
≤80
110
110
110
≤110
mm
31
27
32
32
41
41
41
31
37|| tt | | 32 | | tt | | 48 | Comply with Figure 2 and Table 2. Dmax | |tt | | D | | tt | The overall dimensions of the flat plate
concave flat plate thyristor shall comply with the requirements in Figure 3 and Table 2. Dmax
D
L
Figure 3
Table 2
foot
generation
中
D
Dmx
A
αT
L
4
200
30
65| |tt||≤16
Rating and characteristic values
4.1 rating
Concave plate shape
Recommended ITLAV
300||tt| |35
80
≤16
400
35
80
≤16
3.5~4.0|| tt||200±20
500
40
85
≤17
200
37±2
85
T
7y
Boss flat plate
Recommended Iav)
300
44±2
90
14±1
26±2
400
44±2
90
3.5~4.0
200 ±20
The maximum rating (limit value) shall comply with the provisions of Table 3 and is applicable to the entire operating temperature range. 4.2 Characteristic values
The characteristic values ??shall comply with the provisions of Table 4, Vcp is the lower limit value, Others are upper limit values. 3
500
50±2
90
+
Type
No.
KE50
KE100
KE200
KE300
KE400
KE500
normal state
average
electricity
Stream
ItuAv)
A
50
100
200
300
400
500 | |tt | |310
470
630
790
off-state complex peak
median electric current
VDRM
gold
Complex
bee
Value Voltage
Voltage
VeR
V
400~2000
Off
Not heavy
Complex
Bee
Voltage
Vpek
V
Vpru -||tt| |90%
Vrex
Unrepeatable bee value power plant
Volume
Vrt
VrRx
90%
Vaor
pass
critical rise rate of ground current
di/at
A/μs
50
50||tt| | 100 | | tt | | 50 |
C
-40~
+125
Table 3
Liquid
Surge
Electricity||tt| |Flow
Irk
I't
I't
1 cycle 5 weeks 1 cycle
A
940
1900
3800
5600
7500
9400
A
540
1200| |tt||2090
3080
4300
5400
A's
5000
18000
72000||tt ||1.6×10
2.8×10
4.4×10
Buy
Save
Temperature
Degree
I
C
-40~
+140
Gate cover
bee
pressure
Vrch|| tt||V
10
10
10
16
16
16
Gate reverse| |tt||peak
electricity
voltage
VgGM
V
5
gate
forward|| tt||bee
value
electricity
flow
Irea
A
2
3||tt| |3
3
tight
solid
force
F
tight
solid
force
moment
FL
heavy
博
w
kNN·M
&
by The manufacturer gives
tube
shell
temperature
degree
Tc
c
85||tt| |JB/T6324k
1992
Speciality
Off-state repetitive peak current
Reverse repetitive peak current
On-state peak Voltage
holding current
holding current
gate triggering current
gate triggering voltage
gate non-triggering voltage
Case thermal resistance
Critical rise rate of off-state voltage
Characteristic curve
4.3
symbol
No.
Iour||tt| |IRR
V
I
Ier
Ver
Vep
Re
dv/dt||tt| |mA
mA
mA
mA
mA
V
JB/T63241992
Table||tt| |bits
c/W
V/μs
KE50
15
15
1.8
250|| tt||150
150
3.0
0. 2
0.40
200
4
KE100
25
25
1.8
300
150| |tt||150
3.0
0. 2
0.20
200
The following characteristic curves are given in corporate standards and product instructions: a.
b.
c.
d.
e.
t.
Case temperature and average on-state current derating relationship curve; through-state volt-ampere characteristic curve;
relationship curve between transient thermal impedance and time: KE200
30
30
2.0||tt ||300
200
200
3.0
0.2
0.11
200
Surge current and cycle number Relationship curve (time extends to 5s) and I\t characteristic curve; gate trigger range characteristic curve:
The relationship curve between the maximum on-state power consumption and the average on-state current (conduction angle is used as a parameter). Inspection and testing
5
5.1
Batch-by-batch inspection
Each batch of products must be inspected batch-by-batch according to Table 5. Serial number
2||tt| |3
4
Inspection
Project
Inspection
Exterior
View
Vr
lor
IeRM
Yer
Ic
Table
5
Inspection method
Visual inspection under normal lighting and normal|| tt||under normal vision conditions)
3.2 of GB.4024
(25℃)
3.1 of GB4024
(25,125)
of GB4024 3.4
(25℃)
Qualification criteria
KE300
40
40
2.0
350|| tt||200
300
3.0
0.2
0. 08
200
clear logo, surface coating || tt||The layer has no peeling damage
Conforms to the requirements of Table 4
Conforms to the requirements of Table 4
Conforms to the requirements of Table 4
Note: ①See Appendix A for the specific sampling plan of AQL . ② If the initial submission fails to pass the inspection, it can be resubmitted according to the stricter level in Appendix A. 5.2
5
Periodic inspection
According to Table 6, at least one batch of periodic inspections should be carried out every year for normal production of finalized products. KE400
40
40
2.0
350
250
300
3.5www.bzxz.net
0. 2
0.05
200
KE500
45
45
2.0
400
250| |tt||350
4.0
0.2
0. 04
200
Sampling plan AQL
1.5
1.0
1.0
1.0
sequence
number
1
2
5
6| |tt||7
8
9
Inspection items
foot
inch
temperature cycle (D)||tt| |Following sealing
Irsm
Re
Electrical durability
(High temperature reverse bias)
High temperature storage
dv/dt
di/dt
JB/T63241992
Table 6
Inspection method
Inspect each size according to Figure 1, Figure 2 or Figure 3||tt| |Method
GB4937 3.1.1 (Na): two-box method, -40C, 125C cycle 5 times, high and low temperature exposure for 1 hour each cycle, transfer time 3~4min; GB4937 3.7.5 (Qc) : Pressurized fluorine oil leak detection GB4024’s 4.21 cycles 20 times, 15 cycles 6 times each interval 15s
GB4024’s 2.2
GB4938’s 3.2.1000+h, 70%VxRM|| tt||Sine wave 50Hz, 125-9℃
GB4937’s 3.2.1000h, 125-℃
GB4024’s 3.8: 125-9℃, gate open circuit GB4024’s 4.4: 125℃|| tt | ||Last test, VTM≤1.1USL
IM≤2USLIDRM≤2USL
Leakage rate, <0.1Pa·cm\/s
Last test: VTm≤1.1USL||tt ||IM2USLR2USL
Comply with the provisions of Table 4
Last test, Vtm<1.1USL
IM≤2USLIDRM2USL
Last test: Vrm≤1.1USL
IM≤2USLDRM≤2USL
Conform to the provisions of Table 4
Conform to the provisions of Table 3
Final test, V≤1.1USL
IRRM2USL,IDRM≤2USL||tt || Briefly give the VTM, IRM, IDRM values ??and test conclusions before and after each test Note; ① Periodic inspection, if it fails the first time, additional sampling can be carried out according to Appendix B and another inspection can be carried out, but it can only be added once. ②In the sampling plan, n and c are the sampling number and the passing judgment number respectively. ④Things marked (D) are destructive tests, the same as below. ④The USL in the qualified data column is the corresponding upper limit value in Table 4, the same as below. 5.3
Qualification test
Sampling plan
0
9
6
11
6
11 | | tt | | 11 | | tt | | c | | tt | | 1 | Conduct a batch of identification tests. For regular batch products that have been finalized and products that are re-produced every three years or after production has been discontinued for more than half a year, at least one batch of identification tests should be conducted. Table 7
Serial number
1
2
Test items
Thermal cycle load test
Shock (D) or vibration||tt ||Test method
4.8 for GB4024
Number of cycles:
Crimp the device 5000 times
Weld the device 1000 times
2.4 (Ea) for GB4937 100g, lasting 6
ms, half sine wave in three directions of mutually perpendicular axes, three times in each direction, a total of 18 times. 2.3(Fc) of GB4937: 20g100~2000
Hz, 2h in each direction, 6h in total
Qualification criteria
Final test:
VTM≤1.1USL|| tt||IRRM≤2USL
IDR≤2USL
Last test:
VTM≤1.1USL
IR2USL
IDRM≤2USL
Sampling plan
n
6
6
c
6
6 marking, packaging, transportation, storage
6.1 Logo
The logo on the product includes:
JB/T63241992
a. Product model;
b. Terminal identification mark: represented by a symbol (the arrow points to the cathode terminal) or red, blue (or black), yellow (or white) to represent the cathode, anode, and gate terminals respectively, or only red to represent the cathode terminal; manufacturer's name Code name or trademark,
c.
d. Inspection lot identification code.
6.2 Certificate
The certificate should at least give the actual measured values ??of VTM, IoRM, IRRM, VcT, Ict and the value of di/dt inspected batch by batch. Packaging
6.3
Products should be packaged according to JB4277. The markings on the packaging and accompanying instructions include: a.
product model name;
manufacturer name code or trademark:
b.
inspection batch identification code;
c.
d.
Moisture and rainproof sign.
6.4 Transportation
Products should not be subject to severe vibrations and impacts during transportation. 6.5 Storage
The product should not be exposed to rain and should be placed in a place where the air circulates and the surrounding medium temperature does not exceed the specified storage temperature. The maximum relative humidity of the air does not exceed 90% (equivalent to the air temperature of 20±5℃) and in an environment without corrosive gases. 7
Batch range
N
2—8
9—15
16—-25
26—50||tt ||5190
91-150
151-280
281500
501-1200
1201-3200
3201—10000| |tt||10001—35000
Initial sampling
Additional sampling
Additional number
Additional instructions:
Sample size
n| |tt||2
3
5
8
13
20
32
50||tt ||80
125
200
315
JB/T63241992
Appendix A
AQL Sampling Table
( Supplement)
0.65
c
o
1
3
5
r
1
+
+
2
3
4
6
Appendix
B| |tt||Additional sampling
(supplementary parts)
Sample size n
6911
91316
345
Table||tt ||This standard is proposed and administered by the Xi'an Power Electronics Technology Research Institute of the Ministry of Mechanical and Electronic Industry. AQL(%)
1.0
1
0
1
2
3
5||tt| |7
2
3
4
6
8
1.5
c
→
0
+
1
2
3
5
7
10|| tt||2
6
8
11
together
lattice
judgment
number c||tt ||1
2
This standard was drafted by Beijing Chunshu Rectifier Factory and Chengdu Welding Machine Research Institute of the Ministry of Mechanical and Electronics Industry. The main drafters of this standard are Tian Wenfu, Lin Youting, Guo Lanqiong, and Qin Xianman. 8
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