CD81 NPN Transistor

The CD81 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the CD81 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The CD81 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 CD81 transistor as follows.

CD81 Transistor Specification

Transistor Code		CD81
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO-126
Collector Power Dissipation (Maximum)	PC	1W
Collector-Base Voltage (Maximum)	VCB	30V
Collector-Emitter Voltage (Maximum)	VCE	10V
Collector Current (Maximum)	IC	3A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	6V
Forward Current Transfer Ratio (hFE Value)		140
Transition Frequency	FT	200MHz
Collector Capacitance	CC	30pF

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