2N2857 Datasheet, PDF (1/4 Pages) Seme LAB – NPN TRANSISTOR

140 COMMERCE DRIVE
MONTGOMERYVILLE, PA
18936-1013
PHONE: [phone]
FAX: [phone]
RF & MICROWAVE DISCRETE
LOW POWER TRANSISTORS
2N2857
Features
• Silicon NPN, To-72 packaged UHF Transistor
• 1.6 GHz Current-Gain Bandwidth Product @ 5mA IC
• Maximum Unilateral Gain = 13 dB (typ) @ 500 MHz
2
1
3
4
1. Emitter
2. Base
3. Collector
4. Case
TO-72
DESCRIPTION:
The 2N2857 is a silicon NPN transistor, designed for UHF equipment. Applications
include low noise amplifier; oscillator, and mixer applications.
ABSOLUTE MAXIMUM RATINGS (Tcase = 25°C)
Symbol
Parameter
V_CEO
V_CBO
V_EBO
P_D
I_C
Collector-Emitter Voltage
Collector-Base Voltage
Emitter-Base Voltage
Maximum Device Dissipation
Collector Current
Thermal Data
R_TH(J-C)
Thermal Resistance Junction-case
Value
15
30
2.5
200
40
0.88
Unit
V
V
V
mW
mA
º C/mW
Advanced Power Technology reserves the right to change, without notice, the specifications and information contained herein
Visit our website at WWW.ADVANCEDPOWER.COM or contact our factory direct.