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2N405 PNP Transistor

The 2N405 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the 2N405 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2N405 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 2N405 transistor as follows.

Circuit diagram symbol of the 2N405 transistor

2N405 Transistor Specification

Transistor Code 2N405
Transistor Type BJT
Transistor Polarity PNP
Transistor Material Germanium(GE)
Package TO40
Collector Power Dissipation (Maximum) PC 0.15W
Collector-Base Voltage (Maximum) VCB 20V
Collector-Emitter Voltage (Maximum) VCE 18V
Collector Current (Maximum) IC 0.035A
Operating Junction Temperature (Maximum) TJ 85°C
Emitter-Base Voltage (Maximum) VEB 2V
Forward Current Transfer Ratio (hFE Value) 35
Transition Frequency FT 0.3MHz
Collector Capacitance CC 70pF

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