HA7542 PNP Transistor

The HA7542 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the HA7542 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The HA7542 transistor symbol shows an arrow from the emitter into the base. This means that the current flows from emitter to collector terminal.

Circuit diagram symbol of the HA7542 transistor as follows.

HA7542 Transistor Specification

Transistor Code		HA7542
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Silicon(SI)
Package		TO5
Collector Power Dissipation (Maximum)	PC	0.4W
Collector-Base Voltage (Maximum)	VCB	110V
Operating Junction Temperature (Maximum)	TJ	150°C
Forward Current Transfer Ratio (hFE Value)		45
Transition Frequency	FT	0.8MHz
Collector Capacitance	CC	95pF

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