S1840 NPN Transistor

The S1840 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the S1840 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The S1840 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 S1840 transistor as follows.

S1840 Transistor Specification

Transistor Code		S1840
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO92
Collector Power Dissipation (Maximum)	PC	0.625W
Collector-Base Voltage (Maximum)	VCB	150V
Collector-Emitter Voltage (Maximum)	VCE	150V
Collector Current (Maximum)	IC	0.03A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	5V
Forward Current Transfer Ratio (hFE Value)		40
Transition Frequency	FT	50MHz
Collector Capacitance	CC	4pF

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