ADY21 PNP Transistor

The ADY21 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the ADY21 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The ADY21 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 ADY21 transistor as follows.

ADY21 Transistor Specification

Transistor Code		ADY21
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Germanium(GE)
Package		TO8
Collector Power Dissipation (Maximum)	PC	0.25W
Collector-Base Voltage (Maximum)	VCB	60V
Collector-Emitter Voltage (Maximum)	VCE	60V
Collector Current (Maximum)	IC	0.6A
Operating Junction Temperature (Maximum)	TJ	85°C
Emitter-Base Voltage (Maximum)	VEB	15V
Forward Current Transfer Ratio (hFE Value)		90
Transition Frequency	FT	0.35MHz

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