STMicroelectronics

BU931P  

Single Bipolar Transistors

BU931P Description

The BU931P from STMicroelectronics is a high-performance NPN Darlington transistor designed for demanding automotive and industrial applications. With a collector-emitter voltage (Vce) rating of 400V and a maximum collector current (Ic) of 15A, this device delivers robust power handling in a TO-247-3 through-hole package. Its 175°C maximum junction temperature (TJ) and 135W power dissipation ensure reliable operation under high-stress conditions. The BU931P is ROHS3 compliant, REACH unaffected, and meets automotive-grade standards, making it suitable for harsh environments.

BU931P Features

• High Voltage & Current Handling: 400V Vce and 15A Ic for power applications.
• Low Saturation Voltage: 1.8V @ 250mA, 10A, minimizing power loss.
• High DC Current Gain (hFE): 300 @ 5A, 10V, ensuring efficient signal amplification.
• Automotive-Grade Reliability: Qualified for AEC-Q101 or equivalent standards.
• Robust Thermal Performance: 175°C TJ and 135W Pd for sustained high-power operation.
• Low Leakage Current: 100µA max collector cutoff (Icbo), enhancing efficiency.
• Moisture Resistant: MSL 1 (Unlimited) for long-term storage stability.

BU931P Applications

• Automotive Systems: Ignition circuits, motor drivers, and power regulators.
• Industrial Power Supplies: High-voltage switching and linear regulators.
• Motor Control: Solenoid drivers, relay replacements, and H-bridge configurations.
• Energy Conversion: Inverters, UPS systems, and DC-DC converters.
• Lighting: High-power LED drivers and ballast controls.

Conclusion of BU931P

The BU931P stands out as a high-reliability Darlington transistor for high-voltage, high-current applications. Its low saturation voltage, high gain, and automotive-grade robustness make it ideal for automotive, industrial, and power electronics. Compared to similar models, it offers superior thermal performance and efficiency, ensuring longevity in demanding environments. Engineers can confidently deploy the BU931P in mission-critical systems where durability and performance are paramount.

BU931P Documents

Download datasheets and manufacturer documentation for BU931P

PCN Assembly/Origin :

New Molding Compound 30/Aug/2019      

Datasheets :

BU931(P,T)      

PCN Packaging :

Standard outer labelling 15/Nov/2023      

Other Related Documents :

BU931P View All Specifications      

HTML Datasheet :

BU931(P,T)