Figure 9. Typical switching characteristics versus base
resistance (saturated operation)
100
Input:
50
IF =10mA
Pulse width=100 mS
Duty cycle=50%
T OFF
10
5
TON
1.0
10K
50K 100K 500K 1M
Base-emitter resistance, RBE (Ω)
Figure 10. Typical switching times versus load resis-
tance
1000
Input:
500 IF=10 mA
Pulse width=100 mS
Duty cycle=50%
100
T OFF
50
10
5
TON
1
0.1 0.5 1
5 10 50 100
Load resistance RL (KΩ)
IL205A/206A/207A/208A
5–3