SD1405 NPN Transistor

The SD1405 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the SD1405 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The SD1405 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 SD1405 transistor as follows.

SD1405 Transistor Specification

Transistor Code		SD1405
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		SOT121
Collector Power Dissipation (Maximum)	PC	270W
Collector-Base Voltage (Maximum)	VCB	36V
Collector-Emitter Voltage (Maximum)	VCE	18V
Collector Current (Maximum)	IC	20A
Operating Junction Temperature (Maximum)	TJ	200°C
Emitter-Base Voltage (Maximum)	VEB	4V
Forward Current Transfer Ratio (hFE Value)		20
Transition Frequency	FT	30MHz
Collector Capacitance	CC	350pF

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