2N1156 NPN Transistor

The 2N1156 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 2N1156 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2N1156 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 2N1156 transistor as follows.

2N1156 Transistor Specification

Transistor Code		2N1156
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO22
Collector Power Dissipation (Maximum)	PC	0.75W
Collector-Base Voltage (Maximum)	VCB	120V
Collector Current (Maximum)	IC	0.04A
Operating Junction Temperature (Maximum)	TJ	165°C
Emitter-Base Voltage (Maximum)	VEB	1V
Forward Current Transfer Ratio (hFE Value)		9
Transition Frequency	FT	0.4MHz

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