Safe operation area (Reverse bias)
1.6
L=100µH
IC/IB=5
(IB1=–IB2)
TC=25˚C
1.2
0.8
0.4
0
0
400
800 1 200 1 600
Collector-emitter voltage VCE (V)
2SC4004
Safe operation area (Reverse bias) measurement circuit
L
T.U.T
IB1
IC
VIN
−IB2
VCC
tw
VCLAMP
Rth t
104
Note: Rth was measured at Ta=25˚C and under natural convection.
(1)PT=10V×0.2A(2W) and without heat sink
(2)PT=10V×1.0A(10W) and with a 100×100×2mm Al heat sink
103
102
(1)
(2)
10
1
10−1
10−4
10−3
10−2
10−1
1
10
102
103
104
Time t (s)
SJD00125BED
3