2N4427 Datasheet, PDF (1/6 Pages) STMicroelectronics – VHF OSCILLATOR POWER AMPLIFIER

140 COMMERCE DRIVE
MONTGOMERYVILLE, PA
18936-1013
PHONE: [phone]
FAX: [phone]
RF & MICROWAVE DISCRETE
LOW POWER TRANSISTORS
2N4427
Features
• Silicon NPN, To-39 packaged VHF/UHF Transistor
• 1 Watt Minimum Power Output @ 175 MHz
• 500 MHz Current-Gain Bandwidth Product @ 50mA
• Power Gain, G_PE = 10dB (Min) @ 175 MHz
1. Emitter
2. Base
3. Collector
TO-39
DESCRIPTION:
Silicon NPN transistor, designed for VHF and UHF equipment. Applications include amplifier; pre-driver, driver, and
output stages. Also suitable for oscillator and frequency-multiplier functions.
ABSOLUTE MAXIMUM RATINGS (Tcase = 25°C)
Symbol
Parameter
VCEO
Collector-Emitter
VCBO
Collector-Base Voltage
VEBO
Emitter-Base Voltage
IC
Collector Current
Thermal Data
P
D
Total Device Dissipation @ T_A = 25ºC
Derate above 25ºC
Value
20
40
2.0
400
1.0
5.71
Unit
Vdc
Vdc
Vdc
mA
Watts
mW/ ºC
MSC1301.PDF 10-25-99