English
Language : 

BC556 Datasheet, PDF (2/6 Pages) Motorola, Inc – Amplifier Transistors
BC556,B BC557A,B,C BC558B
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted) (Continued)
Characteristic
Symbol
Min
Typ
Max
ON CHARACTERISTICS
DC Current Gain
(IC = –10 µAdc, VCE = –5.0 V)
(IC = –2.0 mAdc, VCE = –5.0 V)
(IC = –100 mAdc, VCE = –5.0 V)
BC557A
BC556B/557B/558B
BC557C
BC556
BC557
BC558
BC557A
BC556B/557B/558B
BC557C
BC557A
BC556B/557B/558B
BC557C
hFE
—
90
—
—
150
—
—
270
—
120
—
500
120
—
800
120
—
800
120
170
220
180
290
460
420
500
800
—
120
—
—
180
—
—
300
—
Collector – Emitter Saturation Voltage
(IC = –10 mAdc, IB = –0.5 mAdc)
(IC = –10 mAdc, IB = see Note 1)
(IC = –100 mAdc, IB = –5.0 mAdc)
Base – Emitter Saturation Voltage
(IC = –10 mAdc, IB = –0.5 mAdc)
(IC = –100 mAdc, IB = –5.0 mAdc)
Base–Emitter On Voltage
(IC = –2.0 mAdc, VCE = –5.0 Vdc)
(IC = –10 mAdc, VCE = –5.0 Vdc)
SMALL–SIGNAL CHARACTERISTICS
VCE(sat)
VBE(sat)
VBE(on)
—
—
—
—
—
–0.55
—
–0.075
–0.3
–0.25
–0.7
–1.0
–0.62
–0.7
–0.3
–0.6
–0.65
—
—
–0.7
–0.82
Current – Gain — Bandwidth Product
(IC = –10 mA, VCE = –5.0 V, f = 100 MHz)
BC556
BC557
BC558
fT
—
280
—
—
320
—
—
360
—
Output Capacitance
(VCB = –10 V, IC = 0, f = 1.0 MHz)
Noise Figure
W (IC = –0.2 mAdc, VCE = –5.0 V,
RS = 2.0 k , f = 1.0 kHz, ∆f = 200 Hz)
BC556
BC557
BC558
Cob
—
3.0
6.0
NF
—
2.0
10
—
2.0
10
—
2.0
10
Small–Signal Current Gain
(IC = –2.0 mAdc, VCE = –5.0 V, f = 1.0 kHz)
BC556
BC557/558
BC557A
BC556B/557B/558B
BC557C
hfe
125
—
500
125
—
900
125
220
260
240
330
500
450
600
900
Note 1: IC = –10 mAdc on the constant base current characteristics, which yields the point IC = –11 mAdc, VCE = –1.0 V.
Unit
—
V
V
V
MHz
pF
dB
—
2
Motorola Small–Signal Transistors, FETs and Diodes Device Data