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2N4428

Advanced Semiconductor
Part Number 2N4428
Manufacturer Advanced Semiconductor
Description NPN SILICON HIGH FREQUENCY TRANSISTOR
Published Mar 23, 2005
Detailed Description 2N4428 NPN SILICON HIGH FREQUENCY TRANSISTOR PACKAGE STYLE TO-39 DESCRIPTION: The 2N4428 is a High Frequency Transist...
Datasheet PDF File 2N4428 PDF File

2N4428
2N4428

Overview
2N4428 NPN SILICON HIGH FREQUENCY TRANSISTOR PACKAGE STYLE TO-39 DESCRIPTION: The 2N4428 is a High Frequency Transistor Designed for Amplifier and Oscillator Applications.
MAXIMUM RATINGS IC VCE PDISS TJ TSTG θJC O O 425 mA 30 V 3.
5 W @ TC = 25 C -65 C to +200 C -65 C to +200 C 50 C/W O O O O 1 = EMITTER 2 = BASE 3 = COLLECTOR NONE CHARACTERISTICS SYMBOL BVCEO BVCER BVEBO ICEX hFE ft COB Pin η IC = 20 mA IC = 20 mA TC = 25 C O TEST CONDITIONS RBE = 10 Ω VBE = -1.
5 V IC = 50 mA IC = 400 mA IC = 50 mA f = 200 MHz f = 1.
0 MHz Rs = 50 Ω f = 200 MHz MINIMUM 35 55 3.
5 TYPICAL MAXIMUM UNITS V V V IC = 100 µA VCE = 55 V VCE = 5.
0 V VCE = 20 V VCB = 28 V VCC = 28 V Pout = 750 mW 1.
0 ...


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