JB/T 7060-1993 KB series bipolar thyristors for overvoltage protection
Some standard content:
Mechanical Industry Standard of the People's Republic of China
KB Series Bipolar Thyristors for Overvoltage Protection 1 Subject Content and Scope of Application
JB/T7060--93
This standard specifies the appearance, limit values, electrical properties and inspection rules of KB series 5A to 50A bipolar thyristors for overvoltage protection. This standard applies to cavity packaged bipolar thyristors (hereinafter referred to as devices) with a case rating of 5A to 50A or a working current of 5A to 50A for overvoltage protection.
2 Reference standards
GB4024
GB4937
GB4938
Test methods for reverse blocking triode thyristors for semiconductor devicesMechanical and climatic test methods for discrete semiconductor devicesAcceptance and reliability of discrete semiconductor devices
ZBK46003
Tube and shell for power semiconductor devices
3 Models and symbols
The device model is composed of the following:
dv/dt level
(one letter)
(one letter)
(number)
(number)
3.2 Symbols
The device symbol is shown in Figure 1.
『A indicates main circuit use,
B indicates control circuit use
Main voltage level
Main current value (A)
For overvoltage protection
Thyristor
Approved by the Ministry of Machinery Industry on 1993-10-08
Implemented on 1994-0101
4 Technical requirements
4.1 Appearance
JB/T7060-93
Appearance code and current are as shown in Table 1 of ZBK46003. Appearance drawing is as shown in Figure 1 of ZBK46003. Table 1
Current value
KBC-Gate A port appearance code
KBL-Gate B port appearance code
4.2 Limit value
Limit value is as shown in Table 2.
Case temperature
Storage temperature
Equivalent junction temperature
Break-up voltage
Average current
(KBO-OA)
On-state (non-repetitive) surge current
(KBO-OAO)
Working current (t, = 0.1nls)
(KBO-OBO)
Wave current (t, -0.1ms)
(KBO-BO)
The models not specified in the limit values are common to the main circuit and control circuit, the same below. ② Voltage classification see 4.4,
Electrical properties
Electrical properties are shown in Table 3.
Characteristic value
Break-over current
Maintaining current
Opening time
Off-state voltage critical rise rate
Junction-to-case thermal resistance\
Note: 1)
For the classification of the off-state voltage critical rise rate, see 4.5. No.
Value (maximum value)
-40~140
40~3000
Value (maximum value)
>1000~>2500
R corresponds to device model KB-AD, which is the junction thermal resistance of current 5A, 10A, 20A, 50A, R corresponds to device model KB-B, 2)
JB/T7060-93
The junction thermal resistance of current 5A, 10A, 20, 50A. 4.4 The level of the transition voltage shall be as specified in Table 4. The error of the transition voltage shall not exceed ±50V when it is above 100V; it shall not exceed ±10V when it is 100V or below.
The level of the critical rise rate of the off-state voltage shall be as specified in Table 5. dv/dt
>1000~1500
Characteristic curve (not for inspection).
The following curves shall be given in the product manual: volt-ampere characteristic curve;
Transient thermal resistance and time relationship curve:
Surge current and frequency relationship curve. Inspection rules
Batch inspection
>1500~2000
All batch inspections are non-destructive. Batch inspections shall be as shown in Table 6. Table 6
External visual inspection
Not working
Breaking current
Off-state voltage critical
Rise rate
Reference standard
Appendix C
GB4024 Section
Main book lighting and
Normal vision
Junction temperature 50C Off-state
Peak voltage starts from zero
Apply 2/ 3
times off-state repetitive peak
value voltage
>2000~2500
Inspection requirements (maximum value)
Marking is neat and clear, the surface is intact, and the coating is not peeled off
Polarity is reversed
According to Table 5
Note: If the remote batch inspection fails the first delivery, it can be strictly inspected according to Appendix A, but each inspection item can only be added once. 5.2 Periodic inspection
Standardized products in normal production should be subject to at least one batch of periodic inspection every year. The periodic inspection is shown in Table 7.
Temperature change followed
Final test: Transition
Electrical durability
Final test: Transition
Maintaining current
Transition current
On-state (non-repetitive)
Surge current
Surge current
Final test: Transition
Junction-to-case thermal resistance
Cited standards
ZBK46003
GB4937
Article 3.1
Appendix C
CB4938
Article 2.3.2
Appendix C
Appendix C||t t||Appendix C
GB4024
Article 4.2
GB4024
Article 2.2
JB/T7060-93
Inspection requirements (maximum value)
The maximum shape conforms to the provisions of Table 1,
The installation dimensions conform to the relevant provisions of Figure 1 of ZBK46
003
Two-precision method, 40℃,
140℃ cycle 5 times,
Each cycle of high and low temperature
accumulated dew 1h, conversion time
3-4min,
Pressure fluorine oil leak detection method
or other equivalent Leakage detection
168h, 125℃,
sine wave 50Hz,
70%Veo
according to Table 3
junction overflow 25℃
junction temperature 25c
junction overflow before surge
125℃, 1 cycle,
conduction angle is between 160 and
180 degrees
junction temperature before liquid conduction 50C
tp=0.1ms, 50Hz,
conduction angle is between 160 and
180
according to Table 3
the thermistor current is large enough to make the entire junction area||tt ||According to Table 3
Pa·cm'
Electrical durability
Final test, transition
High temperature storage
Final test: transition
Hot negative cutoff test
Final test: transition
Constant acceleration
Final test, transition
Reference standard
GB4938
Appendix C
GB4937
Article 3.2
Appendix C
GB4024
Article 4.8
Appendix C
GB4937
Article 2.5 items
Appendix C
JB/T7060-93
Continued Table 7
50Hz1000h,
junction temperature 125℃,
70%V,
1000=h,
Tstg=140c
cycle 5000 times, highest
temperature 125℃
lowest temperature 40℃
each of the three main axes
two directions for 1min each|| tt||Acceleration 500g
According to Table 3
Inspection requirements (maximum value)
Note: ① If the first periodic inspection fails, additional sampling can be used in accordance with Appendix B for another inspection, but each inspection item can only be added once, and the additional samples should be subjected to the test of the item, ②n is the number of samples, c is the number of qualified judgments, the same below, 6 Marking and ordering information
6.1 Marking on the device
Device model and quality category;
b. Terminal identification mark is indicated by red and blue (or black) to indicate the negative and positive terminals respectively, or only red to indicate the negative terminal;
Manufacturer name, code or trademark;
Inspection batch identification code.
6.2'Marking of packaging box (bag)
Model and quality category;
Manufacturer name, code or trademark;
Inspection batch identification code;
Moisture-proof and rain-proof markings;
eThis standard number.
6.3 Ordering information
To order a device, at least the following information is required: Accurate model:
This standard number:
Others.
JB/T7060-93
1AQL sampling table according to Table A1
Batch range
9—15
16—25
26—50
91-150
151-280
281-500
501-1200
Sample quantity
This table belongs to the inspection level (ratio) 1
Note:?
e: qualified judgment number, : unqualified judgment number, ②
JB/T7060-93
Appendix A
AQL sampling table
(supplement)
AQL(1)
The first sampling plan pointed to should be used. If the sample size at the corresponding point pointed to by the flute is equal to or greater than the batch, you should conduct 100% inspection on the batch.
Additional sampling attenuation
(Supplement)
Additional sampling table according to Table B1
Qualified judgment number
Initial sampling n
Additional sampling n:
Addendum (ns\n,)
C1 Turn-on time tn
JB/T7060-93
Appendix C
Test method for turn-on time, transition current and holding current (supplement)
C1.1 Purpose
To measure the (cathode and cathode voltage control) turn-on time of the thyristor at both ends under specified conditions. C1.2 Principle circuit
R.- Resistor to protect the diode D (when C is charging) R— Non-inductive resistor to calibrate the main current
L- Inductor to suppress di/dt to protect the device under test CRO
C1.3 Test conditions
Temperature: Junction temperature at room temperature (25℃);
R-- Adjustable load resistor
Adjustable AC power supply
C—— Capacitor to adjust the on-state current waveform Dual-filter oscilloscope to observe the anode and cathode currents and voltages b. After turning on, the anode current peak (Ir), rated on-state average current (IrAv) and di/dt do not exceed the rated values of the device under test; Measurement procedurebZxz.net
Junction temperature is adjusted to 25℃;
Adjust the off-state voltage to the specified value (check on the oscilloscope); Measure td and tr on a dual-trace oscilloscope, then twtd+tr. Breakover current
1 Purpose
Measure the current when the main voltage of the thyristor at both ends reaches the maximum value. C2.2 Principle circuit
C2.3 Test conditions
Temperature: Junction temperature at room temperature (25C) and maximum junction temperature T Pulse voltage waveform, a sine half wave with a bottom width of approximately 10ms; Pulse repetition frequency, a single pulse, or a low repetition frequency where the heating effect can be ignored (the heating effect of a pulse has completely disappeared before the next pulse arrives);
Number of pulses: in accordance with relevant product standards; JB/T7060-93
Test voltage, the maximum value of the off-state non-repetitive peak voltage; R
-Adjustable AC power supply
Protection resistor
-Diode that generates a positive half-cycle voltage||tt| |An electrical mechanical switch or electronic switch V that applies a power supply voltage (approximately 180 electrical degrees) to the device under test during the off-state half cycle, --- peak voltage meter
C2.4 Test procedure
E Low voltage DC excitation
The device under test is set to the specified temperature, and the AC power supply is adjusted to zero; A——ammeter or oscilloscope
Disconnect switch S to make the AC power supply voltage reach the off-state non-repetitive peak voltage: Close switch S during the off-state half cycle (approximately 180 electrical degrees) and apply the maximum non-repetitive peak voltage to the device under test; Through E, A, and R, it can be checked whether the device under test turns. If it turns, the magnitude of the turning current can be known from the ammeter A or oscilloscope. C3 Holding current
C3.1 Purpose
Measure the holding current of the transistor at both ends under specified conditions. C3.2 Principle circuit
Adjustable AC power supply
A protection resistor
A diode that generates a positive half-cycle voltage
An electrical mechanical switch or electronic switch V that applies a virtual power supply voltage (approximately 180 electrical degrees) to the device under test during the off-state half-cycle,
Peak voltage meter
Low-voltage DC power supply
Ammeter or oscilloscope
—Flow protection resistor
C3.3 Test conditions
Direct-light voltmeter
Temperature: Junction temperature at room temperature (25);
Off-state voltage: 12V,
JB/T7060-93
R.—Resistor E that adjusts the on-state current, DC power supply
The maximum initial current that ensures the transistor is fully turned on Initial on-state current value. C3.4 Measurement procedure
Current voltage:
According to the test procedure of C2.4, make T in the on-state,
DC ammeter
Electrical mechanical switch or electronic switch
Disconnect S, and then close switch S. The device under test is at 25°C, indicated by the V meter, and the power supply E1 applies the specified off-state DC. Adjust R so that the on-state current is large enough to ensure that it is fully turned on. Adjust R and slowly reduce the on-state current until it is turned off. The on-state current indicated on the milliammeter at the moment before the turn-off is the measured maintenance additional instructions:
This standard is proposed and managed by the Xi'an Electric Power Electronics Technology Research Institute of the Ministry of Machinery Industry. This standard is drafted by the Xi'an Electric Power Electronics Technology Research Institute and the Beijing Rectifier Factory. The main drafters of this standard are Shi Jianxin and Chen Xiyu. 163 Ordering Information
To order a device, the following information is required at least: Exact model:
Standard number:
Others.
JB/T7060-93
1AQL sampling table according to Table A1
Batch range
9—15
16—25
26—50
91-150
151-280
281-500
501-1200
Sample quantity
This table belongs to the inspection level (ratio) 1
Note:?
e: qualified judgment number, : unqualified judgment number, ②
JB/T7060-93
Appendix A
AQL sampling table
(supplement)
AQL(1)
The first sampling plan pointed to should be used. If the sample size at the corresponding point pointed to by the first sampling plan is equal to or greater than the batch, you should conduct 100% inspection on the batch.
Additional sampling attenuation
(Supplement)
Additional sampling table according to Table B1
Qualified judgment number
Initial sampling n
Additional sampling n:
Addendum (ns\n,)
C1 Turn-on time tn
JB/T7060-93
Appendix C
Test method for turn-on time, transition current and holding current (supplement)
C1.1 Purpose
Measure the (cathode and cathode voltage control) turn-on time of the thyristor at both ends under specified conditions. C1.2 Principle circuit
R.- Resistor to protect the diode D (when C is charging) R— Non-inductive resistor to calibrate the main current
L- Inductor to suppress di/dt to protect the device under test CRO
C1.3 Test conditions
Temperature: Junction temperature at room temperature (25℃);
R-- Adjustable load resistor
Adjustable AC power supply
C—— Capacitor to adjust the on-state current waveform Dual-filter oscilloscope to observe the anode and cathode currents and voltages b. After turning on, the anode current peak (Ir), rated on-state average current (IrAv) and di/dt do not exceed the rated values of the device under test; Measurement procedure
Junction temperature is adjusted to 25℃;
Adjust the off-state voltage to the specified value (check on the oscilloscope); Measure td and tr on a dual-trace oscilloscope, then twtd+tr. Breakover current
1 Purpose
Measure the current when the main voltage of the thyristor at both ends reaches the maximum value. C2.2 Principle circuit
C2.3 Test conditions
Temperature: Junction temperature at room temperature (25C) and maximum junction temperature T Pulse voltage waveform, a sine half wave with a bottom width of approximately 10ms; Pulse repetition frequency, a single pulse, or a low repetition frequency where the heating effect can be ignored (the heating effect of a pulse has completely disappeared before the next pulse arrives);
Number of pulses: in accordance with relevant product standards; JB/T7060-93
Test voltage, the maximum value of the off-state non-repetitive peak voltage; R
-Adjustable AC power supply
Protection resistor
-Diode that generates a positive half-cycle voltage||tt| |An electrical mechanical switch or electronic switch V that applies a power supply voltage (approximately 180 electrical degrees) to the device under test during the off-state half cycle, --- peak voltage meter
C2.4 Test procedure
E Low voltage DC excitation
The device under test is set to the specified temperature, and the AC power supply is adjusted to zero; A——ammeter or oscilloscope
Disconnect switch S to make the AC power supply voltage reach the off-state non-repetitive peak voltage: Close switch S (approximately 180 electrical degrees) during the off-state half cycle, and apply the maximum non-repetitive peak voltage to the device under test; Through E, A, and R, it can be checked whether the device under test turns. If it turns, the magnitude of the turning current can be known from the ammeter A or oscilloscope. C3 Holding current
C3.1 Purpose
Measure the holding current of the transistor at both ends under specified conditions. C3.2 Principle circuit
Adjustable AC power supply
A protection resistor
A diode that generates a positive half-cycle voltage
An electrical mechanical switch or electronic switch V that applies a virtual power supply voltage (approximately 180 electrical degrees) to the device under test during the off-state half-cycle,
Peak voltage meter
Low-voltage DC power supply
Ammeter or oscilloscope
—Flow protection resistor
C3.3 Test conditions
Direct-light voltmeter
Temperature: Junction temperature at room temperature (25);
Off-state voltage: 12V,
JB/T7060-93
R.—Resistor E that adjusts the on-state current, DC power supply
The maximum initial current that ensures the transistor is fully turned on Initial on-state current value. C3.4 Measurement procedure
Current voltage:
According to the test procedure of C2.4, make T in the on-state,
DC ammeter
Electrical mechanical switch or electronic switch
Disconnect S, and then close switch S. The device under test is at 25°C, indicated by the V meter, and the power supply E1 applies the specified off-state DC. Adjust R so that the on-state current is large enough to ensure that it is fully turned on. Adjust R and slowly reduce the on-state current until it is turned off. The on-state current indicated on the milliammeter at the moment before the turn-off is the measured maintenance additional instructions:
This standard is proposed and managed by the Xi'an Electric Power Electronics Technology Research Institute of the Ministry of Machinery Industry. This standard is drafted by the Xi'an Electric Power Electronics Technology Research Institute and the Beijing Rectifier Factory. The main drafters of this standard are Shi Jianxin and Chen Xiyu. 163 Ordering Information
To order a device, the following information is required at least: Exact model:
Standard number:
Others.
JB/T7060-93
1AQL sampling table according to Table A1
Batch range
9—15
16—25
26—50
91-150
151-280
281-500
501-1200
Sample quantity
This table belongs to the inspection level (ratio) 1
Note:?
e: qualified judgment number, : unqualified judgment number, ②
JB/T7060-93
Appendix A
AQL sampling table
(supplement)
AQL(1)
The first sampling plan pointed to should be used. If the sample size at the corresponding point pointed to by the first sampling plan is equal to or greater than the batch, you should conduct 100% inspection on the batch.
Additional sampling attenuation
(Supplement)
Additional sampling table according to Table B1
Qualified judgment number
Initial sampling n
Additional sampling n:
Addendum (ns\n,)
C1 Turn-on time tn
JB/T7060-93
Appendix C
Test method for turn-on time, transition current and holding current (supplement)
C1.1 Purpose
Measure the (cathode and cathode voltage control) turn-on time of the thyristor at both ends under specified conditions. C1.2 Principle circuit
R.- Resistor to protect the diode D (when C is charging) R— Non-inductive resistor to calibrate the main current
L- Inductor to suppress di/dt to protect the device under test CRO
C1.3 Test conditions
Temperature: Junction temperature at room temperature (25℃);
R-- Adjustable load resistor
Adjustable AC power supply
C—— Capacitor to adjust the on-state current waveform Dual-filter oscilloscope to observe the anode and cathode currents and voltages b. After turning on, the anode current peak (Ir), rated on-state average current (IrAv) and di/dt do not exceed the rated values of the device under test; Measurement procedure
Junction temperature is adjusted to 25℃;
Adjust the off-state voltage to the specified value (check on the oscilloscope); Measure td and tr on a dual-trace oscilloscope, then twtd+tr. Breakover current
1 Purpose
Measure the current when the main voltage of the thyristor at both ends reaches the maximum value. C2.2 Principle circuit
C2.3 Test conditions
Temperature: Junction temperature at room temperature (25C) and maximum junction temperature T Pulse voltage waveform, a sine half wave with a bottom width of approximately 10ms; Pulse repetition frequency, a single pulse, or a low repetition frequency where the heating effect can be ignored (the heating effect of a pulse has completely disappeared before the next pulse arrives);
Number of pulses: in accordance with relevant product standards; JB/T7060-93
Test voltage, the maximum value of the off-state non-repetitive peak voltage; R
-Adjustable AC power supply
Protection resistor
-Diode that generates a positive half-cycle voltage||tt| |An electrical mechanical switch or electronic switch V that applies a power supply voltage (approximately 180 electrical degrees) to the device under test during the off-state half cycle, --- peak voltage meter
C2.4 Test procedure
E Low voltage DC excitation
The device under test is set to the specified temperature, and the AC power supply is adjusted to zero; A——ammeter or oscilloscope
Disconnect switch S to make the AC power supply voltage reach the off-state non-repetitive peak voltage: Close switch S (approximately 180 electrical degrees) during the off-state half cycle, and apply the maximum non-repetitive peak voltage to the device under test; Through E, A, and R, it can be checked whether the device under test turns. If it turns, the magnitude of the turning current can be known from the ammeter A or oscilloscope. C3 Holding current
C3.1 Purpose
Measure the holding current of the transistor at both ends under specified conditions. C3.2 Principle circuit
Adjustable AC power supply
A protection resistor
A diode that generates a positive half-cycle voltage
An electrical mechanical switch or electronic switch V that applies a virtual power supply voltage (approximately 180 electrical degrees) to the device under test during the off-state half-cycle,
Peak voltage meter
Low-voltage DC power supply
Ammeter or oscilloscope
—Flow protection resistor
C3.3 Test conditions
Direct-light voltmeter
Temperature: Junction temperature at room temperature (25);
Off-state voltage: 12V,
JB/T7060-93
R.—Resistor E that adjusts the on-state current, DC power supply
The maximum initial current that ensures the transistor is fully turned on Initial on-state current value. C3.4 Measurement procedure
Current voltage:
According to the test procedure of C2.4, make T in the on-state,
DC ammeter
Electrical mechanical switch or electronic switch
Disconnect S, and then close switch S. The device under test is at 25°C, indicated by the V meter, and the power supply E1 applies the specified off-state DC. Adjust R so that the on-state current is large enough to ensure that it is fully turned on. Adjust R and slowly reduce the on-state current until it is turned off. The on-state current indicated on the milliammeter at the moment before the turn-off is the measured maintenance additional instructions:
This standard is proposed and managed by the Xi'an Electric Power Electronics Technology Research Institute of the Ministry of Machinery Industry. This standard is drafted by the Xi'an Electric Power Electronics Technology Research Institute and the Beijing Rectifier Factory. The main drafters of this standard are Shi Jianxin and Chen Xiyu. 161 Purpose
Measure the holding current of the transistor at both ends under specified conditions. C3.2 Principle Circuit
Adjustable AC power supply
A protective resistor
A diode that generates a positive half-cycle voltage
An electrical mechanical switch or electronic switch V that applies a virtual power supply voltage (approximately 180 electrical degrees) to the device under test during the off-state half-cycle,
Peak voltage meter
Low voltage DC power supply
Ammeter or oscilloscope
—Holding current protection resistor
C3.3 Test conditions
Direct current voltmeter
Temperature: Junction temperature at room temperature (25);
Off-state voltage: 12V,
JB/T7060-93
R.—Resistor E that adjusts the on-state current, DC power supply
Maximum initial current that ensures the transistor is fully turned on Initial on-state current value. C3.4 Measurement procedure
Current voltage:
According to the test procedure of C2.4, make T in the on-state,
DC ammeter
Electrical mechanical switch or electronic switch
Disconnect S, and then close switch S. The device under test is at 25°C, indicated by the V meter, and the power supply E1 applies the specified off-state DC. Adjust R so that the on-state current is large enough to ensure that it is fully turned on. Adjust R and slowly reduce the on-state current until it is turned off. The on-state current indicated on the milliammeter at the moment before the turn-off is the measured maintenance additional instructions:
This standard is proposed and managed by the Xi'an Electric Power Electronics Technology Research Institute of the Ministry of Machinery Industry. This standard is drafted by the Xi'an Electric Power Electronics Technology Research Institute and the Beijing Rectifier Factory. The main drafters of this standard are Shi Jianxin and Chen Xiyu. 161 Purpose
Measure the holding current of the transistor at both ends under specified conditions. C3.2 Principle Circuit
Adjustable AC power supply
A protective resistor
A diode that generates a positive half-cycle voltage
An electrical mechanical switch or electronic switch V that applies a virtual power supply voltage (approximately 180 electrical degrees) to the device under test during the off-state half-cycle,
Peak voltage meter
Low voltage DC power supply
Ammeter or oscilloscope
—Holding current protection resistor
C3.3 Test conditions
Direct current voltmeter
Temperature: Junction temperature at room temperature (25);
Off-state voltage: 12V,
JB/T7060-93
R.—Resistor E that adjusts the on-state current, DC power supply
Maximum initial current that ensures the transistor is fully turned on Initial on-state current value. C3.4 Measurement procedure
Current voltage:
According to the test procedure of C2.4, make T in the on-state,
DC ammeter
Electrical mechanical switch or electronic switch
Disconnect S, and then close switch S. The device under test is at 25°C, indicated by the V meter, and the power supply E1 applies the specified off-state DC. Adjust R so that the on-state current is large enough to ensure that it is fully turned on. Adjust R and slowly reduce the on-state current until it is turned off. The on-state current indicated on the milliammeter at the moment before the turn-off is the measured maintenance additional instructions:
This standard is proposed and managed by the Xi'an Electric Power Electronics Technology Research Institute of the Ministry of Machinery Industry. This standard is drafted by the Xi'an Electric Power Electronics Technology Research Institute and the Beijing Rectifier Factory. The main drafters of this standard are Shi Jianxin and Chen Xiyu. 16
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