BC450 Datasheet, PDF (4/6 Pages) Motorola, Inc – High Voltage Transistors

BC450,A
–1K
–500
–200
–100
–50
–20
–10
–1.0
THERMAL LIMIT
SECOND BREAKDOWN LIMIT
CURRENT LIMIT
DUTY CYCLE ≤ 10%
BC450
–2.0
–5.0
–10
–20
–50 –80
VCE, COLLECTOR–EMITTER VOLTAGE (V)
Figure 6. Active Region — Safe Operating Area
2.0
TJ = 25°C
1.6
1.2
20 mA
50 mA 100 mA
200 mA
0.8
0.4
IC =
10 mA
0
0.02 0.05 0.1
0.2 0.5 1.0 2.0
IB, BASE CURRENT (mA)
5.0 10 20
Figure 8. Collector Saturation Region
1.0
TJ = 25°C
0.8
VBE(sat) @ IC/IB = 10
0.6
VBE @ VCE = 5.0 V
0.4
0.2
0
0.2
VCE(sat) @ IC/IB = 10
0.5 1.0 2.0 5.0 10 20 50
IC, COLLECTOR CURRENT (mA)
Figure 7. “On” Voltages
100 200
–1.0
–1.4
–1.8
R_θVB for VBE
–2.2
–55°C to 125°C
–2.6
–3.0
0.2
0.5 1.0 2.0 5.0 10 20 50 100 200
IC, COLLECTOR CURRENT (mA)
Figure 9. Base–Emitter Temperature Coefficient
300
TJ = 125°C
200
25°C
100
70
–55°C
50
30
–0.2 –0.3
–0.5 –0.7 –1.0
VCE = –5.0 V
–2.0 –3.0 –5.0 –7.0 –10
–20 –30
–50 –70 –100
–200
IC, COLLECTOR CURRENT (mA)
Figure 10. DC Current Gain
4
Motorola Small–Signal Transistors, FETs and Diodes Device Data