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A42 Transistor

A42 Transistor

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The A42 (PN2907A or 2SA42) is a PNP bipolar junction transistor (BJT) designed for high-voltage, low-current applications such as signal amplification and switching. It is often used in audio, voltage regulation, and power supply circuits.


A42 Transistor Specifications

Parameter Value
Type PNP BJT
Voltage (Vce) -300V
Current (Ic) -500mA
Power Dissipation (Ptot) 625mW
Gain (hFE) 40-160
Frequency (ft) 50MHz
Package TO-92
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