STMicroelectronics

BUF460AV

BUF460AV Description

The BUF460AV from STMicroelectronics is a high-power NPN bipolar junction transistor (BJT) designed for demanding industrial and automotive applications. Encased in the robust ISOTOP package, it offers a 450V collector-emitter breakdown voltage (Vce) and a maximum collector current (Ic) of 80A, making it suitable for high-voltage switching and amplification tasks. With a power dissipation capability of 270W and an operating junction temperature of up to 150°C (TJ), this transistor excels in harsh environments where thermal management is critical.

BUF460AV Features

• High Voltage & Current Handling: Supports 450V Vce and 80A Ic, ideal for power electronics.
• Low Saturation Voltage: 500mV @ 12A, 60A ensures efficient switching with minimal power loss.
• High DC Current Gain (hFE): 15 @ 60A, 5V provides strong signal amplification.
• Robust Packaging: ISOTOP chassis-mount design enhances thermal performance and mechanical durability.
• Compliance & Reliability: ROHS3 compliant, REACH unaffected, and ECCN EAR99 certified for global use.
• Low Leakage Current: 200µA collector cutoff (Max) ensures minimal standby power consumption.

BUF460AV Applications

• Motor Drives & Inverters: High-current switching in industrial motor control systems.
• Power Supplies: Efficient voltage regulation in high-power SMPS and UPS systems.
• Automotive Systems: Ignition systems, electronic control units (ECUs), and high-load switching.
• Welding Equipment: Reliable performance in high-current, high-temperature environments.
• Renewable Energy: Power conversion in solar inverters and wind turbine controllers.

Conclusion of BUF460AV

The BUF460AV stands out as a high-reliability, high-performance NPN transistor for applications requiring high voltage, current, and thermal resilience. Its low saturation voltage, robust packaging, and compliance with industry standards make it a preferred choice for engineers designing industrial, automotive, and renewable energy systems. While marked as obsolete, its proven performance ensures continued relevance in legacy and specialized designs. For replacements, consider STMicroelectronics' latest offerings in the BUF series.