2N28 NPN Transistor

The 2N28 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 2N28 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2N28 transistor symbol shows an arrow from the base into the emitter. This means that the current flows from collector terminal to emitter terminal.

Circuit diagram symbol of the 2N28 transistor as follows.

2N28 Transistor Specification

Transistor Code		2N28
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Germanium(GE)
Package		OV17
Collector Power Dissipation (Maximum)	PC	0.12W
Collector-Base Voltage (Maximum)	VCB	35V
Collector-Emitter Voltage (Maximum)	VCE	30V
Collector Current (Maximum)	IC	0.1A
Operating Junction Temperature (Maximum)	TJ	85°C
Forward Current Transfer Ratio (hFE Value)		100
Transition Frequency	FT	0.5MHz
Collector Capacitance	CC	16pF

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More Transistors Datasheets in OV17 Package

2N167A NPN Transistor 2N1198 NPN Transistor 2N167 NPN Transistor 2N29 NPN Transistor