40309L NPN Transistor

The 40309L is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 40309L transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 40309L 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 40309L transistor as follows.

40309L Transistor Specification

Transistor Code		40309L
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO5
Collector Power Dissipation (Maximum)	PC	1W
Collector-Emitter Voltage (Maximum)	VCE	18V
Collector Current (Maximum)	IC	0.7A
Operating Junction Temperature (Maximum)	TJ	200°C
Emitter-Base Voltage (Maximum)	VEB	2V
Forward Current Transfer Ratio (hFE Value)		70
Transition Frequency	FT	50MHz

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