BF155S NPN Transistor

The BF155S is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BF155S transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BF155S 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 BF155S transistor as follows.

BF155S Transistor Specification

Transistor Code		BF155S
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO5
Collector Power Dissipation (Maximum)	PC	1W
Collector-Base Voltage (Maximum)	VCB	155V
Collector-Emitter Voltage (Maximum)	VCE	155V
Collector Current (Maximum)	IC	0.005A
Operating Junction Temperature (Maximum)	TJ	175°C
Emitter-Base Voltage (Maximum)	VEB	3V
Forward Current Transfer Ratio (hFE Value)		20
Transition Frequency	FT	90MHz
Collector Capacitance	CC	4pF

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