![](/html/Hitachi/222396/page4.png)
2SC1881(K)
Switching Time Test Circuit
IC
VIN
IB1
R1
IB2
D.U.T. RL
R2 0.002 µ 0.002 µ
VIN
50
–+ –+
50 µ
50 µ
VBH
VCC
tr, tf ≤ 10 ns
pw ≥ 100 µs
duty ratio ≤ 10%
Unit R : Ω
C:F
IC IB1 IB2 VCC VBB VIN RL R1 R2
A mA mA V V V Ω Ω Ω
2 8 –8 11 –4 7.2 5 620 910
Response Waveform
VIN
0V 10%
IC
0A
90%
10%
td
ton
90%
90%
10%
tstg
toff
4