ZT81 NPN Transistor

The ZT81 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the ZT81 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The ZT81 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 ZT81 transistor as follows.

ZT81 Transistor Specification

Transistor Code		ZT81
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO18
Collector Power Dissipation (Maximum)	PC	0.3W
Collector-Base Voltage (Maximum)	VCB	45V
Collector-Emitter Voltage (Maximum)	VCE	35V
Collector Current (Maximum)	IC	0.5A
Operating Junction Temperature (Maximum)	TJ	175°C
Emitter-Base Voltage (Maximum)	VEB	4V
Forward Current Transfer Ratio (hFE Value)		38
Transition Frequency	FT	150MHz
Collector Capacitance	CC	8pF

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