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BC546A Datasheet PDF : 4 Pages
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ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted)
Characteristic
Symbol
Min
Typ
Max
Unit
OFF CHARACTERISTICS
Collector–Emitter Breakdown Voltage
(IC = 1.0 mA, IB = 0)
BC546
BC547
BC548
V(BR)CEO
65
—
—
V
45
—
—
30
—
—
Collector–Base Breakdown Voltage
(IC = 100 µAdc)
BC546
BC547
BC548
V(BR)CBO
80
—
—
V
50
—
—
30
—
—
Emitter–Base Breakdown Voltage
(IE = 10 mA, IC = 0)
BC546
BC547
BC548
V(BR)EBO
6.0
—
—
V
6.0
—
—
6.0
—
—
ON CHARACTERISTICS
DC Current Gain
(IC = 10 µA, VCE = 5.0 V)
hFE
—
BC546A/547A/548A
—
90
—
BC546B/547B/548B
—
150
—
BC546C/547C/548C
—
270
—
(IC = 2.0 mA, VCE = 5.0 V)
BC546A/547A/548A
BC546B/547B/548B
BC546C/547C/548C
110
180
220
200
290
450
420
520
800
(IC = 100 mA, VCE = 5.0 V)
BC546A/547A/548A
BC546B/547B/548B
BC546C/547C/548C
—
120
—
—
180
—
—
300
—
Collector–Emitter Saturation Voltage
(IC = 100 mA, IB = 5.0 mA)
VCE(sat)
V
—
---
0.3
Base–Emitter Saturation Voltage
(IC = 100 mA, IB = 5.0 mA)
Base–Emitter On Voltage
(IC = 2.0 mA, VCE = 5.0 V)
(IC = 10 mA, VCE = 5.0 V)
SMALL–SIGNAL CHARACTERISTICS
VBE(sat)
—
—
1.0
V
VBE(on)
V
0.55
—
0.7
—
—
0.77
Current–Gain — Bandwidth Product
(IC = 10 mA, VCE = 5.0 V, f = 100 MHz)
BC546
BC547
BC548
fT
MHz
150
300
—
150
300
—
150
300
—
Output Capacitance
(VCB = 10 V, IC = 0, f = 1.0 MHz)
Input Capacitance
(VEB = 0.5 V, IC = 0, f = 1.0 MHz)
Small–Signal Current Gain
(IC = 2.0 mA, VCE = 5.0 V, f = 1.0 kHz)
Cobo
—
1.7
4.5
pF
Cibo
—
10
—
pF
hfe
—
Noise Figure
(IC = 0.2 mA, VCE = 5.0 V, RS = 2 kW,
f = 1.0 kHz, ∆f = 200 Hz)
BC546A/547A/548A
BC546B/547B/548B
BC546C/547C/548C
NF
BC546
BC547
BC548
125
220
260
240
330
500
450
600
900
dB
—
2.0
10
—
2.0
10
—
2.0
10
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