JANSR2N7423 Datasheet, PDF (7/8 Pages) International Rectifier – RADIATION HARDENED POWER MOSFET THRU-HOLE (T0-254AA)

Pre-Irradiation
IRHM9250
V_DS
L
R_G
-V2_G0_SV
tp
D .U.T
IA _S
0.0 1Ω
DR IVER
VD _D
A
15V
Fig 12a. Unclamped Inductive Test Circuit
I_AS
1200
1000
 ^TOP
ID
-6.3A
-8.9A
BOTTOM -14A
800
600
400
200
0
25
50
75
100
125
150
Starting T_J , Junction Temperature ( ^°C)
tp
V_(BR)DSS
Fig 12b. Unclamped Inductive Waveforms
Q_G
-12 V
Q_GS
Q_GD
V_G
Charge
Fig 13a. Basic Gate Charge Waveform
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Fig 12c. Maximum Avalanche Energy
Vs. Drain Current
Current Regulator
Same Type as D.U.T.
50KΩ
-12V
.2µF
.3µF
D.U.T.
-
+VDS
V_GS
-3mA
I_G
I_D
Current Sampling Resistors
Fig 13b. Gate Charge Test Circuit
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