2SD821 NPN Transistor

The 2SD821 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 2SD821 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2SD821 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 2SD821 transistor as follows.

2SD821 Transistor Specification

Transistor Code		2SD821
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO3
Collector Power Dissipation (Maximum)	PC	50W
Collector-Base Voltage (Maximum)	VCB	1500V
Collector-Emitter Voltage (Maximum)	VCE	600V
Collector Current (Maximum)	IC	6A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	5V
Forward Current Transfer Ratio (hFE Value)		8
Transition Frequency	FT	1MHz
Collector Capacitance	CC	165pF

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