BD303B NPN Transistor

The BD303B is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BD303B transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BD303B 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 BD303B transistor as follows.

BD303B Transistor Specification

Transistor Code		BD303B
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO220
Collector Power Dissipation (Maximum)	PC	55W
Collector-Base Voltage (Maximum)	VCB	100V
Collector-Emitter Voltage (Maximum)	VCE	100V
Collector Current (Maximum)	IC	8A
Operating Junction Temperature (Maximum)	TJ	150°C
Forward Current Transfer Ratio (hFE Value)		30
Transition Frequency	FT	3MHz

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