WTM669A NPN Transistor

The WTM669A is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the WTM669A transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The WTM669A 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 WTM669A transistor as follows.

WTM669A Transistor Specification

Transistor Code		WTM669A
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		SOT-89
Collector Power Dissipation (Maximum)	PC	0.1W
Collector-Base Voltage (Maximum)	VCB	180V
Collector-Emitter Voltage (Maximum)	VCE	160V
Collector Current (Maximum)	IC	1.5A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	5V
Forward Current Transfer Ratio (hFE Value)		60
Transition Frequency	FT	140MHz
Collector Capacitance	CC	14pF

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