2N821 NPN Transistor

The 2N821 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 2N821 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2N821 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 2N821 transistor as follows.

2N821 Transistor Specification

Transistor Code		2N821
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Germanium(GE)
Package		U8
Collector Power Dissipation (Maximum)	PC	0.075W
Collector-Base Voltage (Maximum)	VCB	30V
Collector-Emitter Voltage (Maximum)	VCE	25V
Collector Current (Maximum)	IC	0.4A
Operating Junction Temperature (Maximum)	TJ	85°C
Forward Current Transfer Ratio (hFE Value)		40
Transition Frequency	FT	10MHz

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