2N4428 Datasheet
2N4428 Datasheet (Advanced Semiconductor)
Advanced Semiconductor
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 .
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2N4428 Datasheet (Motorola Semiconductor)
Motorola Semiconductor
2N4428 (SILICON) NPN SILICON RF POWER TRANSISTOR · .. designed primarily for use in large signal VHF and UHF amplifier output stages in military and industrial communications applications. • High Pow.
HI for Ic-70mAwith noRFSignalAppl1ed +Vcc Ll - 1 TURN NO. 20 T.C.WIRE 1/4" DIA TAPPED AT CENTER 2-"-818 Pin CASE 7911) (TO-39) 1. Emitter 2. Base 3. Collector 2N4428 (continued) *ELECTRICAL CHARACTERISTICS (TC = 25°C unless otherwise noted) 1 Characteristic Symbol Min OFF CHARACTERISTICS .