2N4428 Specs and Replacement
Type Designator: 2N4428
Material of Transistor: Si
Polarity: NPN
Absolute Maximum Ratings
Maximum Collector Power Dissipation (Pc): 3.5 W
Maximum Collector-Base Voltage |Vcb|: 55 V
Maximum Collector-Emitter Voltage |Vce|: 35 V
Maximum Emitter-Base Voltage |Veb|: 3 V
Maximum Collector Current |Ic max|: 0.425 A
Max. Operating Junction Temperature (Tj): 200 °C
Electrical Characteristics
Transition Frequency (ft): 700 MHz
Collector Capacitance (Cc): 3.5 pF
Forward Current Transfer Ratio (hFE), MIN: 20
Package: TO5
2N4428 Substitution
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2N4428 datasheet
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 30 V PDISS 3.5 W @ TC = 25 OC TJ -65 OC to +200 OC TSTG -65 OC to +200 OC 1 = EMITTER 2 = BASE 3 = COLLECTOR 50 OC/W JC NONE CHARACTERISTICS TC = 25 OC SYMBOL TE... See More ⇒
DISCRETE SEMICONDUCTORS DATA SHEET 2N3866; 2N4427 Silicon planar epitaxial overlay transistors 1995 Oct 27 Product specification Supersedes data of August 1986 File under Discrete Semiconductors, SC08a Philips Semiconductors Product specification Silicon planar epitaxial 2N3866; 2N4427 overlay transistors DESCRIPTION APPLICATIONS NPN overlay transistors in TO-39 metal packages wi... See More ⇒
Detailed specifications: 2N4420, 2N4421, 2N4422, 2N4423, 2N4424, 2N4425, 2N4426, 2N4427, 8550, 2N4429, 2N443, 2N4430, 2N4431, 2N4432, 2N4432A, 2N4433, 2N4434
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