Fairchild Semiconductor BC547B, BC547, BC547A, BC547C Datasheet
BC547
BC547A
BC547B
BC547C
BC547 / BC547A / BC547B / BC547C
Discrete POWER & Signal
Technologies
E
B
C
TO-92
NPN General Purpose Amplifier
This device is designed for use as general purpose amplifiers
and switches requiring collector currents to 300 mA. Sourced from
Process 10. See PN100A for characteristics.
Absolute Maximum Ratings* TA = 25°C unless otherwise noted
Symbol Parameter Value Units
V
CEO
V
CES
V
EBO
I
C
TJ, T
stg
*These ratings are limiting values above which the serviceability of any semiconductor device may be impaired.
NOTES:
1) These ratings are based on a maximum junction temperature of 150 degrees C.
2) These are steady state limits. The factory should be consulted on applications involving pulsed or low duty cycle operations.
Thermal Characteristics TA = 25°C unless otherwise noted
Collector-Emitter Voltage 45 V
Collector-Base Voltage 50 V
Emitter-Base Voltage 6.0 V
Collector Current - Continuous 500 mA
Operating and Storage Junction Temperature Range -55 to +150
°
C
Symbol Characteristic Max Units
BC547 / A / B / C
P
D
R
θ
JC
R
θ
JA
1997 Fairchild Semiconductor Corporation 547ABC, Rev B
Total Device Dissipa tion
Derate above 25°C
Ther mal Resistance, Junction to Case 83.3
Thermal Resistan ce, Junction to Ambient 200
625
5.0
mW
mW/°C
C/W
°
C/W
°
NPN General Purpose Amplifier
(continued)
Electrical Characteristics TA = 25°C unless otherwise noted
Symbol Parameter Test Conditions Min Max Units
OFF CHARACTERISTICS
V
(BR)CEO
V
(BR)CBO
V
(BR)CES
V
(BR)EBO
I
CBO
ON CHARACTERISTICS
h
FE
V
sat
CE(
V
BE(on)
Collector-Emitter Breakdown Voltage IC = 1.0 mA, IB = 0 45 V
Colle ctor-Base Breakdown Voltage
Colle ctor-Base Breakdown Voltage
Emitter-Base Breakdown Voltage
I
= 10 µA, IE = 0
C
I
= 10 µA, IE = 0
C
I
= 10 µA, IC = 0
E
50 V
50 V
6.0 V
Collector Cutoff Current VCB = 30 V, IE = 0
= 30 V, IE = 0, TA = +150 °C
V
CB
DC Current Gain VCE = 5.0 V, IC = 2.0 mA
Collector-Emitte r Satura ti on Volt age IC = 10 mA, IB = 0.5 mA
)
I
= 100 mA, IB = 5.0 mA
C
Base-Emitter On Voltage VCE = 5.0 V, IC = 2.0 mA
V
= 5.0 V, IC = 10 mA
CE
547
547A
547B
547C
110
110
200
420
0.58 0.70
15
5.0
800
220
450
800
0.25
0.60
0.77
nA
µ
V
V
V
V
BC547 / BC547A / BC547B / BC547C
A
SMALL SIGNAL CHARACTERISTICS
h
fe
NF Noise Figure
Small-Signal Current Gain IC = 2.0 mA, VCE = 5.0 V,
f = 1.0 kHz
V
= 5.0 V, IC = 200 µA,
CE
R
= 2.0 kΩ, f = 1.0 kHz,
S
B
= 200 Hz
W
125 900
10 dB
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