Question 1

What is 2N3902?

Accepted Answer

2N3902 Transistor Datasheet pdf, 2N3902 Equivalent. Parameters and Characteristics

Question 2

What are the specifications of 2N3902?

Accepted Answer

Key specifications include: Material of Transistor: Si, Polarity: NPN, Maximum Collector Power Dissipation (Pc): 100 W, Maximum Collector-Base Voltage |Vcb|: 700 V, Maximum Collector-Emitter Voltage |Vce|: 325 V, Maximum Emitter-Base Voltage |Veb|: 5 V, Maximum Collector Current |Ic max|: 3.5 A, Max. Operating Junction Temperature (Tj): 200 °C, Transition Frequency (ft): 2.8 MHz, Collector Capacitance (Cc): 150 pF, Forward Current Transfer Ratio (hFE), MIN: 30, Noise Figure, dB: -, Package: TO3

Question 3

What are equivalent components to 2N3902?

Accepted Answer

Common equivalents include: 2N389-1, 2N389A, 2N389A-1, 2N38A, 2N39, 2N3900, 2N3900A, 2N3901

2N3902 Transistor — Specifications & Equivalents

Key Specifications

Equivalent & Replacement Parts

Material of Transistor	Si
Polarity	NPN
Maximum Collector Power Dissipation (Pc)	100 W
Maximum Collector-Base Voltage \|Vcb\|	700 V
Maximum Collector-Emitter Voltage \|Vce\|	325 V
Maximum Emitter-Base Voltage \|Veb\|	5 V
Maximum Collector Current \|Ic max\|	3.5 A
Max. Operating Junction Temperature (Tj)	200 °C
Transition Frequency (ft)	2.8 MHz
Collector Capacitance (Cc)	150 pF
Forward Current Transfer Ratio (hFE), MIN	30
Noise Figure, dB	-
Package	TO3