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MIL-PRF-19500-603 Semiconductor Device, Field Effect Radiation Hardened \(Total Dose Only\) Transistors, N-Channel, Silicon, Types 2N7268, 2N7269, 2N7270, 2N7394, 2N7268U, 2N7269U, 2N7270U, And 2N7394U, Jantxvr, F, G, H; Jansr, F, G, And HThis specification covers the performance requirements for an N-channel, enhancement-mode, MOSFET, radiation hardened \(total dose only\), power. Two levels of product assurance are provided for each device type specified in MIL-PRF-19500, with avalanche energy maximum rating \(EAS\) and maximum avalanche current \(IAS\). See 6.5 for JANHC and JANKC die versions.

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MIL-PRF-19500/603J
4.4.2.1 Group B inspection, table VIA (JANS) of MIL-PRF-19500.
Subgroup
Method
Condition
B3
1051
Test condition G, 100 cycles.
B3
2075
See 3.4.2.
B3
2077
SEM qualification may be performed anytime prior to lot formation.
B4
1042
The heating cycle shall be 30 seconds minimum.
Accelerated steady-state gate bias, condition B, VGS = rated, TA = +175�C,
B5
1042
t = 24 hours minimum; or, TA = +150�C, t = 48 hours minimum.
Accelerated steady-state reverse bias, condition A, VDS = rated, TA = +175�C,
B5
1042
t = 120 hours minimum; or, TA = +150�C, t = 240 hours minimum.
B6
Not applicable for surface mount packages.
*
4.4.2.2 Group B inspection, table VIB (JANTXV) of MIL-PRF-19500.
Subgroup
Method
Condition
B2
1051
Test condition G, 25 cycles.
B3
1042
The heating cycle shall be 30 seconds minimum.
B3
2037
Test condition D. All internal bond wires for each device shall be pulled
separately.
B4
2075
See 3.4.2.
*
B5
Not applicable.
*
B6
Not applicable for surface mount packages.
*
4.4.3 Group C inspection. Group C inspection shall be conducted in accordance with the conditions specified for
subgroup testing in table VII of MIL-PRF-19500 and as follows. Electrical measurements (end-points) shall be in
accordance with table I, subgroup 2 herein.
Subgroup
Method
Condition
C2
2036
Test condition A; weight = 10 pounds; t = 15 s (applicable to TO-254AA only).
RθJC(max) = 0.83�C/W. Not required when performed in Group B.
*
C5
3161
C6
1042
The heating cycle shall be 30 seconds minimum.
10



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