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2N4428 - NPN SILICON HIGH FREQUENCY TRANSISTOR

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Description

The 2N4428 is a High Frequency Transistor Designed for Amplifier and Oscillator Applications.

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Datasheet Details

Part number 2N4428
Manufacturer Advanced Semiconductor
File Size 28.31 KB
Description NPN SILICON HIGH FREQUENCY TRANSISTOR
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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 425 mA 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 mA BVCER IC = 20 mA RBE = 10 Ω BVEBO IC = 100 µA ICEX VCE = 55 V VBE = -1.5 V hFE VCE = 5.0 V IC = 50 mA IC = 400 mA MINIMUM 35 55 3.5 20 5.0 ft VCE = 20 V IC = 50 mA f = 200 MHz 700 COB VCB = 28 V f = 1.0 MHz Pin VCC = 28 V f = 200 MHz η Pout = 750 mW Rs = 50 Ω 35 TYPICAL MAXIMUM 1.0 200 1000 1.5 3.
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