2N4428
2N4428 is NPN SILICON HIGH FREQUENCY TRANSISTOR manufactured by Advanced Semiconductor.
DESCRIPTION
:
The 2N4428 is a High Frequency Transistor Designed for Amplifier and Oscillator Applications.
MAXIMUM RATINGS
425 m A
VCE PDISS TJ TSTG θJC
30 V 3.5 W @ TC = 25 OC -65 OC to +200 OC -65 OC to +200 OC
50 OC/W
1 = EMITTER 2 = BASE 3 = COLLECTOR
NONE
CHARACTERISTICS TC = 25 OC
SYMBOL
TEST CONDITIONS
BVCEO
IC = 20 m A
BVCER
IC = 20 m A
RBE = 10 Ω
BVEBO
IC = 100 µA
ICEX
VCE = 55 V
VBE = -1.5 V h FE
VCE = 5.0 V
IC = 50 m A IC = 400 m A
MINIMUM
35 55 3.5
20 5.0 ft
VCE = 20 V
IC = 50 m A f = 200 MHz
VCB = 28 V f = 1.0 MHz
Pin
VCC = 28 V f = 200 MHz
η
Pout = 750 m W Rs = 50 Ω
TYPICAL MAXIMUM
1.0...
