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KD138 PNP Transistor

The KD138 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the KD138 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The KD138 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 KD138 transistor as follows.

Circuit diagram symbol of the KD138 transistor

KD138 Transistor Specification

Transistor Code KD138
Transistor Type BJT
Transistor Polarity PNP
Transistor Material Silicon(SI)
Package SOT23
Collector Power Dissipation (Maximum) PC 12W
Collector-Emitter Voltage (Maximum) VCE 80V
Collector Current (Maximum) IC 1.5A
Operating Junction Temperature (Maximum) TJ 150°C
Forward Current Transfer Ratio (hFE Value) 40
Transition Frequency FT 50MHz

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