STMicroelectronics

STP03D200

STP03D200 Description

The STP03D200 from STMicroelectronics is a high-voltage NPN Darlington transistor designed for demanding power switching and amplification applications. With a collector-emitter breakdown voltage (V_CE) of 1200V and a maximum collector current (I_C) of 100mA, it is optimized for high-voltage, low-current circuits. The device operates reliably at junction temperatures up to 150°C, making it suitable for harsh environments. Packaged in a TO-220 through-hole format, it ensures efficient heat dissipation and ease of mounting.

STP03D200 Features

• High Voltage Rating: 1200V V_CE for robust performance in high-voltage applications.
• Low Leakage Current: Collector cutoff current (I_CEO) as low as 100µA, enhancing efficiency.
• High DC Current Gain (h_FE): Minimum 200 @ 30mA, 10V, ensuring strong signal amplification.
• Low Saturation Voltage: 2V @ 500µA, 50mA, reducing power losses in switching applications.
• Power Handling: 40W maximum power dissipation for reliable operation under load.
• Robust Construction: TO-220 package with MSL1 (unlimited shelf life) and RoHS3 compliance for environmental safety.

STP03D200 Applications

• Switching Power Supplies: High-voltage switching in offline converters and SMPS.
• Industrial Controls: Relay drivers, solenoid drivers, and motor control circuits.
• Electronic Ballasts: Driving high-voltage fluorescent or LED lighting systems.
• Telecom & Power Distribution: Protection circuits and high-voltage signal conditioning.
• Automotive Systems: Ignition systems and high-voltage DC-DC converters.

Conclusion of STP03D200

The STP03D200 stands out for its exceptional high-voltage tolerance, low leakage, and high gain, making it ideal for precision switching and amplification in industrial, automotive, and power electronics. Its TO-220 package ensures thermal stability, while RoHS3 compliance aligns with modern environmental standards. Engineers seeking a reliable, high-performance Darlington transistor for 1200V applications will find this component a superior choice over lower-rated alternatives.