BF421 BF423
ELECTRICAL CHARACTERISTICS
(TA = 25°C unless otherwise noted) (Continued)
Characteristic
Symbol
Min
Max
Unit
ON CHARACTERISTICS
DC Current Gain
(IC = –25 mA, VCE = –20 Vdc)
Collector – Emitter Saturation Voltage
(IC = –20 mAdc, IB = –2.0 mAdc)
Base – Emitter Saturation Voltage
(IC = –20 mA, IB = –2.0 mA)
hFE
BF421
BF423
VCE(sat)
VBE(sat)
50
50
—
—
—
—
–0.5
–2.0
Vdc
Vdc
—
SMALL– SIGNAL CHARACTERISTICS
Current – Gain — Bandwidth Product
(IC = –10 mAdc, VCE = –10 Vdc, f = 20 MHz)
Common Emitter Feedback Capacitance
(VCB = –30 Vdc, IE = 0, f = 1.0 MHz)
fT
Cre
60
—
—
2.8
MHz
pF
2
Motorola Small–Signal Transistors, FETs and Diodes Device Data
MOTOROLA [ MOTOROLA, INC ]
