40408 NPN Transistor

The 40408 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 40408 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 40408 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 40408 transistor as follows.

40408 Transistor Specification

Transistor Code		40408
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO5
Collector Power Dissipation (Maximum)	PC	1W
Collector-Emitter Voltage (Maximum)	VCE	90V
Collector Current (Maximum)	IC	0.7A
Operating Junction Temperature (Maximum)	TJ	200°C
Emitter-Base Voltage (Maximum)	VEB	4V
Forward Current Transfer Ratio (hFE Value)		40
Transition Frequency	FT	50MHz

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