2SD2081

Part points

• The 2SD2081 is a silicon NPN power transistor suitable for high-speed switching applications in a variety of electronic circuits. With a maximum collector current of 1.5A and a maximum power dissipation of 0.9W, this transistor is commonly used in power supply circuits, voltage regulators, and audio amplifiers.

• Equivalent

  The equivalent products of the 2SD2081 chip are the Fairchild Semiconductor KSD2058 and the Sanken C2058 transistors. These transistors have similar specifications and can be used as substitutes for the 2SD2081 in electronic circuit designs.

• Features

  1. NPN silicon transistor with low VCE(sat) 2. High current gain (hFE) of 200-400 3. Low leakage current of 10 µA 4. Max collector current of 500 mA 5. Low noise and high voltage rating of 50V 6. Suitable for audio amplifiers, switching circuits, and low-power applications.

• Pinout

  2SD2081 is a PNP transistor with a TO-220F package. It has 3 pins: collector, emitter, and base. The collector pin is connected to the negative side of the circuit, the emitter pin is connected to the load, and the base pin controls the flow of current between the collector and emitter.

• Manufacturer

  2SD2081 is manufactured by Toshiba, a multinational conglomerate known for producing a wide range of electronic and electrical products. Toshiba is a Japanese company that also specializes in information technology, communications equipment, and home appliances.

• Application Field

  2SD2081 is a bipolar transistor commonly used in audio amplifiers, power supply circuits, and motor control applications. It is suitable for use in high-current switching and amplification circuits due to its high voltage and current capabilities.

• Package

  The 2SD2081 chip comes in a TO-220F package type with a through-hole form. It measures approximately 10.2mm in length, 3.8mm in width, and 16.5mm in height.