Datasheet

BCW71
NPN General Purpose Amplifier
(continued)
Electrical Characteristics TA = 25°C unless otherwise noted
OFF CHARACTERISTICS
Symbol Parameter Test Conditions Min Typ Max Units
V
(BR)CEO
Collector-Emitter Breakdown
Voltage
I
C
= 1.0 mA, I
B
= 0 45 V
V
(BR)CBO
Collector-Base Breakdown Voltage
I
C
= 10 µA, I
E
= 0
50 V
V
(BR)EBO
Emitter-Base Breakdown Voltage
I
E
= 10 µA, I
C
= 0
5.0 V
I
CBO
Collector-Cutoff Current V
CB
= 20 V, I
E
= 0
V
CB
= 20 V, I
E
= 0, T
A
= 100°C
100
10
µA
ON CHARACTERISTICS
h
FE
DC Current Gain I
C
= 2.0 mA, V
CE
= 5.0 V 110 220
V
CE(
sat
)
Collector-Emitter Saturation Voltage I
C
= 10 mA, I
B
= 0.5 mA 0.25 V
V
BE(
sat
)
Base-Emitter Saturation Voltage I
C
= 50 mA, I
B
= 2.5 mA 0.85 V
V
BE(
on
)
Base-Emitter On Voltage I
C
= 2.0 mA, V
CE
= 5.0 V 0.6 0.75 V
SMALL SIGNAL CHARACTERISTICS
f
T
Current Gain - Bandwidth Product I
C
= 10 mA, V
CE
= 5.0 V,
f = 35 MHz
330 MHz
C
obo
Output Capacitance V
CE
= 10 V, I
E
= 0, f = 1.0 MHz 4.0 pF
C
ibo
Input Capacitance V
EB
= 0.5 V, I
C
= 0, f = 1.0 MHz 9.0 pF
NF Noise Figure I
C
= 0.2 mA, V
CE
= 5.0 V,
R
S
= 2.0 k
Ω
, f = 1.0 kHz,
BW = 200 Hz
10 dB
Typical Characteristics
Typical Pulsed Current Gain
vs Collector Current
10 20 30 50 100 200 300 500
0
100
200
300
400
I - COLLECTOR CURRENT (mA)
h - TYPICAL PULSED CURRENT GAIN
C
FE
125 °C
25 °C
- 40 °C
Vce = 5V
Collector-Emitter Saturation
Voltage vs Collector Current
110100400
0.1
0.2
0.3
0.4
I - COLLECTOR CURRENT (mA)
V - COLLECTOR-EMITTER VOLTAGE (V)
C
CESAT
25 °C
- 40 °C
125 °C
β
= 10