2N2857 2N3839
NPN SILICON RF
TRANSISTORS
w w w.
c e n t r a l s e m i .
c o m DESCRIPTION: The CENTRAL SEMICONDUCTOR 2N2857 and 2N3839 are silicon
NPN RF
transistors designed for VHF/UHF amplifier, oscillator and converter applications.
MARKING: FULL PART NUMBER
TO-72 CASE
MAXIMUM RATINGS: (TA=25°C unless otherwise noted) SYMBOL
Collector-Base Voltage
VCBO
Collector-Emitter Voltage
VCEO
Emitter-Base Voltage
VEBO
Continuous Collector Current
IC
Power Dissipation
PD
Power Dissipation (TC=25°C)
PD
Operating and Storage Junction Temperature
TJ, Tstg
30 15 2.
5 40 200 300 -65 to +200
UNITS V V V mA
mW mW °C
ELECTRICAL CHARACTERISTICS: (TA=25°C unless otherwise noted) 2N2857
SY...