300
200
VCE = –10 V
100
TJ = 25°C
f = 20 MHz
70
50
30
–10 –20
–50 –100 –200
–500 –1000
IC, COLLECTOR CURRENT (mA)
Figure 5. Current Gain — Bandwidth Product
MPSW51 MPSW51A
160
TJ = 25°C
120
80
40
0
Cobo
Cibo
Cibo
Cobo
–5.0
–10
–15
–20
–25
–1.0
–2.0
–3.0
–4.0
–5.0
VR, REVERSE VOLTAGE (VOLTS)
Figure 6. Capacitance
–1.0 k
–500
TA = 25°C
–200
TC = 25°C
1.0 ms 1.0 ms 100 ms
–100
DUTY CYCLE ≤ 10%
–50
MPSW51
MPSW51A
–20
–10
–1.0
CURRENT LIMIT
THERMAL LIMIT
SECOND BREAKDOWN LIMIT
–2.0
–5.0
–10 –20 –30 –40
VCE, COLLECTOR–EMITTER VOLTAGE (VOLTS)
Figure 7. Active Region — Safe Operating
Area
Motorola Small–Signal Transistors, FETs and Diodes Device Data
3