D28D9 NPN Transistor

The D28D9 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the D28D9 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The D28D9 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 D28D9 transistor as follows.

D28D9 Transistor Specification

Transistor Code		D28D9
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO202
Collector Power Dissipation (Maximum)	PC	6.5W
Collector-Base Voltage (Maximum)	VCB	75V
Collector-Emitter Voltage (Maximum)	VCE	60V
Collector Current (Maximum)	IC	1A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	5V
Forward Current Transfer Ratio (hFE Value)		50
Transition Frequency	FT	100MHz
Collector Capacitance	CC	12pF

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