Transistor KD271 PNP 2A 100V

The Transistor KD271 is a high-performance PNP transistor designed for medium-power amplification, voltage control, and reliable switching operations. With a collector current capacity of 2A and a collector-emitter voltage rating of 100V, the Transistor KD271 provides exceptional performance in both industrial and consumer electronic circuits. It is widely used in power amplifiers, voltage regulators, and inverter systems where stability, thermal durability, and efficiency are essential.

Key Features

• Type: PNP Silicon Power Transistor

• Collector Current (Ic): 2A continuous

• Collector-Emitter Voltage (Vce): 100V

• Collector-Base Voltage (Vcb): 120V

• Emitter-Base Voltage (Veb): 5V

• DC Current Gain (hFE): 40 – 200 (depending on current and voltage)

• Transition Frequency (fT): 10 MHz typical

• Package Type: TO-220 or TO-126 for efficient heat dissipation and reliability

Advantages

• High collector-emitter voltage (100V) suitable for medium-voltage applications.

• Excellent thermal stability allowing long-term and consistent performance.

• Low collector-emitter saturation voltage, reducing energy loss and improving circuit efficiency.

• Ideal for audio amplification and switching power control circuits.

• Strong mechanical build ensures durability and resistance to high-temperature operation.

• Works seamlessly as a complementary pair with NPN transistors such as BD241 or KD272.

Applications

• Audio Amplifiers: Delivers stable, distortion-free sound in push-pull and driver stages.

• Voltage Regulators: Maintains steady voltage levels in power supply systems.

• Motor Control Circuits: Efficiently drives small DC motors and relays.

• Inverter and Converter Circuits: Handles medium-voltage switching for reliable power transfer.

• Industrial Automation: Used in feedback and control systems for precise voltage management.

Electrical Characteristics (Typical Values at 25°C)

Datasheet Summary

• Model: KD271

• Polarity: PNP

• Collector Current (Ic): 2A

• Collector-Emitter Voltage (Vce): 100V

• Power Dissipation: 40W

• Frequency Response: 10 MHz

• Package Type: TO-220 or TO-126

• Complementary Pair: KD272 (NPN Transistor)

• Operating Temperature Range: -55°C to +150°C

Conclusion

The Transistor KD271 is a durable and efficient PNP transistor ideal for medium-power audio and control applications. With its 2A current capacity, 100V voltage rating, and excellent gain stability, it delivers exceptional performance in power amplification and regulation systems. Its strong design ensures minimal energy loss, reliable heat dissipation, and long operational life. Whether for professional amplifier circuits, industrial automation, or control systems, the Transistor KD271 PNP 2A 100V guarantees consistent, high-quality results with dependable long-term performance.