SD5109 NPN Transistor

The SD5109 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the SD5109 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The SD5109 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 SD5109 transistor as follows.

SD5109 Transistor Specification

Transistor Code		SD5109
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		LCC2
Collector Power Dissipation (Maximum)	PC	2.5W
Collector-Base Voltage (Maximum)	VCB	40V
Collector-Emitter Voltage (Maximum)	VCE	20V
Collector Current (Maximum)	IC	0.4A
Operating Junction Temperature (Maximum)	TJ	200°C
Emitter-Base Voltage (Maximum)	VEB	3V
Forward Current Transfer Ratio (hFE Value)		40
Transition Frequency	FT	1200MHz
Collector Capacitance	CC	3.5pF

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