A1621 PNP Transistor

The A1621 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the A1621 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The A1621 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 A1621 transistor as follows.

A1621 Transistor Specification

Transistor Code		A1621
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Silicon(SI)
Package		SOT23
Transistor SMD Code		7O_7Y
Collector Power Dissipation (Maximum)	PC	0.2W
Collector-Base Voltage (Maximum)	VCB	35V
Collector-Emitter Voltage (Maximum)	VCE	30V
Collector Current (Maximum)	IC	0.8A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	5V
Forward Current Transfer Ratio (hFE Value)		100
Transition Frequency	FT	120MHz
Collector Capacitance	CC	19pF

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