SD1729 NPN Transistor

The SD1729 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the SD1729 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The SD1729 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 SD1729 transistor as follows.

SD1729 Transistor Specification

Transistor Code		SD1729
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		SOT121
Collector Power Dissipation (Maximum)	PC	175W
Collector-Base Voltage (Maximum)	VCB	70V
Collector-Emitter Voltage (Maximum)	VCE	35V
Collector Current (Maximum)	IC	12A
Operating Junction Temperature (Maximum)	TJ	200°C
Emitter-Base Voltage (Maximum)	VEB	4V
Forward Current Transfer Ratio (hFE Value)		18
Transition Frequency	FT	30MHz
Collector Capacitance	CC	220pF

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