BSS78 NPN Transistor

The BSS78 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BSS78 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BSS78 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 BSS78 transistor as follows.

BSS78 Transistor Specification

Transistor Code		BSS78
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO39
Collector Power Dissipation (Maximum)	PC	0.8W
Collector-Base Voltage (Maximum)	VCB	250V
Collector-Emitter Voltage (Maximum)	VCE	250V
Collector Current (Maximum)	IC	0.5A
Operating Junction Temperature (Maximum)	TJ	200°C
Forward Current Transfer Ratio (hFE Value)		40
Transition Frequency	FT	35MHz
Collector Capacitance	CC	5.5pF

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