BCY91 PNP Transistor

The BCY91 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the BCY91 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BCY91 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 BCY91 transistor as follows.

BCY91 Transistor Specification

Transistor Code		BCY91
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Silicon(SI)
Package		TO18
Collector Power Dissipation (Maximum)	PC	0.35W
Collector-Base Voltage (Maximum)	VCB	40V
Collector-Emitter Voltage (Maximum)	VCE	40V
Collector Current (Maximum)	IC	0.05A
Operating Junction Temperature (Maximum)	TJ	165°C
Emitter-Base Voltage (Maximum)	VEB	20V
Forward Current Transfer Ratio (hFE Value)		25
Transition Frequency	FT	15MHz

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