2SD1805 NPN Transistor

The 2SD1805 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 2SD1805 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2SD1805 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 2SD1805 transistor as follows.

2SD1805 Transistor Specification

Transistor Code		2SD1805
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO251
Collector Power Dissipation (Maximum)	PC	15W
Collector-Base Voltage (Maximum)	VCB	60V
Collector-Emitter Voltage (Maximum)	VCE	20V
Collector Current (Maximum)	IC	5A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	6V
Forward Current Transfer Ratio (hFE Value)		120
Transition Frequency	FT	120MHz
Collector Capacitance	CC	45pF

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