BC638 View Datasheet(PDF) - Motorola => Freescale
Part Name
Description
Manufacturer
BC638 Datasheet PDF : 4 Pages
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–1000
–500
SOA = 1S
–200 PD TA 25°C
–100
–50
–20
–10
–5
–2
–1
–1
PD TC 25°C
PD TA 25°C
PD TC 25°C
BC636
BC638
BC640
–2 –3 –4 –5 –7 –10 –20 –30–40 –50 –70 –100
VCE, COLLECTOR–EMITTER VOLTAGE (VOLTS)
Figure 1. Active Region Safe Operating Area
500
300
VCE = –2 V
100
50
20
–1
–10
–100
–1000
IC, COLLECTOR CURRENT (mA)
Figure 3. Current Gain Bandwidth Product
–0.2
500
VCE = –2 V
200
100
50
BC636 BC638 BC640
–B
–A
–L
20
–1
–3 –5 –10
–30 –50 –100 –300 –500 –1000
IC, COLLECTOR CURRENT (mA)
Figure 2. DC Current Gain
–1
–0.8
VBE(sat) @ IC/IB = 10
–0.6
VBE(on) @ VCE = –2 V
–0.4
–0.2
VCE(sat) @ IC/IB = 10
0
–1
–10
–100
IC, COLLECTOR CURRENT (mA)
–1000
Figure 4. “Saturation” and “On” Voltages
–1.0
–1.6
–2.2
–1
VCE = –2 VOLTS
∆T = 0°C to +100°C
θV for VBE
–3 –5 –10
–30 –50 –100 –300 –500 –1000
IC, COLLECTOR CURRENT (mA)
Figure 5. Temperature Coefficients
Motorola Small–Signal Transistors, FETs and Diodes Device Data
3
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