ZT91 NPN Transistor

The ZT91 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the ZT91 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The ZT91 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 ZT91 transistor as follows.

ZT91 Transistor Specification

Transistor Code		ZT91
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO5
Collector Power Dissipation (Maximum)	PC	1W
Collector-Base Voltage (Maximum)	VCB	120V
Collector-Emitter Voltage (Maximum)	VCE	100V
Collector Current (Maximum)	IC	1A
Operating Junction Temperature (Maximum)	TJ	175°C
Emitter-Base Voltage (Maximum)	VEB	6V
Forward Current Transfer Ratio (hFE Value)		40
Transition Frequency	FT	60MHz
Collector Capacitance	CC	15pF

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