BC238B Motorola, BC238B Datasheet - Page 2

• Manufacturer Part Number: BC238B
• Description: Amplifier Transistors
• Manufacturer: Motorola

BC237,A,B,C BC238B,C BC239,C
ELECTRICAL CHARACTERISTICS
ON CHARACTERISTICS
DYNAMIC CHARACTERISTICS
2
DC Current Gain
Collector – Emitter On Voltage
Base – Emitter Saturation Voltage
Base–Emitter On Voltage
Current – Gain — Bandwidth Product
Collector–Base Capacitance
Emitter–Base Capacitance
Noise Figure
(I C = 10 A, V CE = 5.0 V)
(I C = 2.0 mA, V CE = 5.0 V)
(I C = 100 mA, V CE = 5.0 V)
(I C = 10 mA, I B = 0.5 mA)
(I C = 100 mA, I B = 5.0 mA)
(I C = 10 mA, I B = 0.5 mA)
(I C = 100 mA, I B = 5.0 mA)
(I C = 100 A, V CE = 5.0 V)
(I C = 2.0 mA, V CE = 5.0 V)
(I C = 100 mA, V CE = 5.0 V)
(I C = 0.5 mA, V CE = 3.0 V, f = 100 MHz)
(I C = 10 mA, V CE = 5.0 V, f = 100 MHz)
(V CB = 10 V, I C = 0, f = 1.0 MHz)
(V EB = 0.5 V, I C = 0, f = 1.0 MHz)
(I C = 0.2 mA, V CE = 5.0 V, R S = 2.0 k ,
f = 1.0 kHz)
(I C = 0.2 mA, V CE = 5.0 V, R S = 2.0 k ,
f = 1.0 kHz, f = 200 Hz)
Characteristic
(T A = 25 C unless otherwise noted) (Continued)
BC237A
BC237B/238B
BC237C/238C/239C
BC237
BC239
BC237A
BC237B/238B
BC237C/238C/239C
BC237A
BC237B/238B
BC237C/238C/239C
BC237/BC238/BC239
BC237/BC239
BC238
BC237
BC238
BC239
BC237
BC238
BC239
BC239
BC237
BC238
BC239
Motorola Small–Signal Transistors, FETs and Diodes Device Data
V CE(sat)
V BE(sat)
V BE(on)
Symbol
C obo
C ibo
h FE
NF
f T
0.55
Min
120
120
120
200
380
150
150
150
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0.07
0.62
0.83
Typ
150
270
170
290
500
120
180
300
100
120
140
200
240
280
0.2
0.6
0.5
8.0
2.0
2.0
2.0
2.0
90
—
—
—
—
Max
0.83
1.05
800
800
220
460
800
0.2
0.6
0.8
0.7
4.5
4.0
4.0
10
10
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Unit
MHz
pF
pF
dB
—
V
V
V