BC490 View Datasheet(PDF) - Motorola => Freescale
Part Name
Description
Manufacturer
BC490 Datasheet PDF : 6 Pages
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BC490,A
–1.0 k
–700
–500
–300
–200
–100
–70
–50
–30
–20
TA = 25°C
1.0 s
TC = 25°C
100 µs
1.0 ms
CURRENT LIMIT
THERMAL LIMIT
SECOND BREAKDOWN LIMIT
–10
–1.0
BC490
–2.0 –3.0 –5.0 –7.0 –10 –20 –30 –50 –70 –100
VCE, COLLECTOR–EMITTER VOLTAGE (VOLTS)
Figure 6. Active Region, Safe Operating Area
1.0
TJ = 25°C
0.8
VBE(sat) @ IC/IB = 10
0.6
VBE(on) @ VCE = 1.0 V
0.4
0.2
VCE(sat) @ IC/IB = 10
0
0.5 1.0 2.0
5.0 10 20
50 100 200 500
IC, COLLECTOR CURRENT (mA)
Figure 7. “On” Voltages
1.0
0.8
0.6
IC = 10 mA
50
mA
100 mA
TJ = 25°C
250 mA 500 mA
0.4
0.2
0
0.05 0.1 0.2 0.5 1.0 2.0 5.0 10 20 50
IC, COLLECTOR CURRENT (mA)
Figure 8. Collector Saturation Region
–0.8
–1.2
–1.6
–2.0
RθVB for VBE
–2.4
–2.8
0.5 1.0 2.0
5.0 10 20
50 100 200 500
IC, COLLECTOR CURRENT (mA)
Figure 9. Base–Emitter Temperature Coefficient
400
TJ = 125°C
200
25°C
–55°C
100
80
60
40
–0.5 –0.7 –1.0
–2.0 –3.0
–5.0 –7.0 –10
–20 –30
IC, COLLECTOR CURRENT (mA)
–50 –70 –100
Figure 10. DC Current Gain
VCE = –1.0 V
–200 –300 –500
4
Motorola Small–Signal Transistors, FETs and Diodes Device Data
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