2SC3874 Datasheet, PDF (3/3 Pages) Panasonic Semiconductor – Silicon NPN triple diffusion planar type

Power Transistors
Area of safe operation, reverse bias ASO
40
35
30
25
I_CP
L_coil=200µH
I_C/I_B=5
(2I_B1=–I_B2)
T_C=25˚C
Clamped
20
I_C
15
10
5
0
0 100 200 300 400 500 600 700 800
Collector to emitter voltage V_CE (V)
Reverse bias ASO measuring circuit
T.U.T
I_B1
I_C
V_in
–I_B2
t_W
R_th(t) — t
10²
(1) P_T=10V × 0.3A (3W) and without heat sink
(2) P_T=10V × 1.0A (10W) and with a 100 × 100 × 2mm Al heat sink
(1)
10
(2)
1
2SC3874
L coil
V_CC
Vclamp
10^–1
10^–2
10^–3
10^–2
10^–1
1
10
10²
10³
10⁴
10⁵
Time t (s)
3