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2SB138A PNP Transistor

The 2SB138A is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the 2SB138A transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2SB138A 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 2SB138A transistor as follows.

Circuit diagram symbol of the 2SB138A transistor

2SB138A Transistor Specification

Transistor Code 2SB138A
Transistor Type BJT
Transistor Polarity PNP
Transistor Material Germanium(GE)
Package TO3
Collector Power Dissipation (Maximum) PC 30W
Collector-Base Voltage (Maximum) VCB 80V
Collector-Emitter Voltage (Maximum) VCE 60V
Collector Current (Maximum) IC 5A
Operating Junction Temperature (Maximum) TJ 85°C
Emitter-Base Voltage (Maximum) VEB 30V
Forward Current Transfer Ratio (hFE Value) 30
Transition Frequency FT 0.2MHz

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