BF420 Motorola Inc, BF420 Datasheet - Page 2

• Manufacturer Part Number: BF420
• Description: High Voltage Transistors(NPN)
• Manufacturer: Motorola Inc

BF420 BF422
ELECTRICAL CHARACTERISTICS
ON CHARACTERISTICS
SMALL– SIGNAL CHARACTERISTICS
2
DC Current Gain
Collector – Emitter Saturation Voltage
Base – Emitter Saturation Voltage
Current Gain — Bandwidth Product
Common Emitter Feedback Capacitance
(I C = 25 mAdc, V CE = 20 Vdc)
(I C = 20 mAdc, I B = 2.0 mAdc)
(I C = 20 mAdc, I B = 2.0 mAdc)
(I C = 10 mAdc, V CE = 10 Vdc, f = 20 MHz)
(V CB = 30 Vdc, I E = 0, f = 1.0 MHz)
Characteristic
(T A = 25 C unless otherwise noted) (Continued)
Motorola Small–Signal Transistors, FETs and Diodes Device Data
BF420
BF422
V CE(sat)
V BE(sat)
Symbol
h FE
C re
f T
Min
50
50
60
—
—
—
Max
0.5
2.0
1.6
—
—
—
MHz
Unit
Vdc
Vdc
pF
—