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2SC138A NPN Transistor

The 2SC138A is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 2SC138A transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2SC138A 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 2SC138A transistor as follows.

Circuit diagram symbol of the 2SC138A transistor

2SC138A Transistor Specification

Transistor Code 2SC138A
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package TO33-1
Collector Power Dissipation (Maximum) PC 0.8W
Collector-Base Voltage (Maximum) VCB 60V
Collector-Emitter Voltage (Maximum) VCE 35V
Collector Current (Maximum) IC 0.5A
Operating Junction Temperature (Maximum) TJ 175°C
Emitter-Base Voltage (Maximum) VEB 5V
Forward Current Transfer Ratio (hFE Value) 50
Transition Frequency FT 200MHz
Collector Capacitance CC 8pF

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