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2S40 PNP Transistor

The 2S40 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the 2S40 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2S40 transistor symbol shows an arrow from the emitter into the base. This means that the current flows from emitter to collector terminal.

Circuit diagram symbol of the 2S40 transistor as follows.

Circuit diagram symbol of the 2S40 transistor

2S40 Transistor Specification

Transistor Code 2S40
Transistor Type BJT
Transistor Polarity PNP
Transistor Material Germanium(GE)
Package TO1
Collector Power Dissipation (Maximum) PC 0.035W
Collector-Base Voltage (Maximum) VCB 40V
Collector-Emitter Voltage (Maximum) VCE 30V
Collector Current (Maximum) IC 0.1A
Operating Junction Temperature (Maximum) TJ 75°C
Emitter-Base Voltage (Maximum) VEB 12V
Forward Current Transfer Ratio (hFE Value) 100
Transition Frequency FT 0.4MHz
Collector Capacitance CC 60pF

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