2SC4638 データシートの表示（PDF） - Panasonic Corporation
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2SC4638 Datasheet PDF : 3 Pages
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Power Transistors
Area of safe operation, reverse bias ASO
8
Lcoil=50µH
7
IC/IB=5
(IB1=–IB2)
TC=100˚C
6
5
4
3
2
1
0
0 100 200 300 400 500 600 700 800
Collector to emitter voltage VCE (V)
Reverse bias ASO measuring circuit
T.U.T
IB1
IC
Vin
–IB2
tW
1000
100
10
Rth(t) — t
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
(1)
(2)
2SC4638
L coil
VCC
Vclamp
1
0.1
10–4
10–3
10–2
10–1
1
10
102
103
104
Time t (s)
3
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