MJD127 is a NPN Darlington transistor manufactured by ON Semiconductor. It is a three-terminal device with a collector-emitter voltage of 600V and a collector current of 1A. The maximum power dissipation is 3W. The transistor is housed in a TO-252 package.The MJD127 is designed for use in general-purpose switching and amplification applications. It is suitable for use in applications such as audio amplifiers, motor control circuits, and power supplies. It can also be used in high-voltage, high-current switching applications.(For reference only)
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