STMicroelectronics NPN Power Transistor 3 A, 100 V, Surface Mount TO-252 Package MJD31CT4

The STMicroelectronics MJD31CT4 is a high-quality NPN power transistor designed for industrial and automotive applications requiring efficient switching and amplification. Rated to handle a maximum DC collector current of 3 amperes and collector-emitter voltage of 100 volts, this transistor operates reliably within a broad temperature range from -65°C to 150°C.

Featuring a surface mount TO-252 (DPAK) package with 3 pins, the transistor supports compact PCB layouts and ease of assembly. The device’s maximum power dissipation rating of 15 watts ensures stable function in power management circuits and electronic controls.

With a high transition frequency of 250 MHz, the MJD31CT4 is suited for fast switching applications in power supplies, motor control, and signal amplification. The minimum DC current gain of 10 guarantees effective current amplification performance in various circuit designs.

This transistor adheres to automotive standard AEC-Q101, making it a reliable choice for automotive electronics requiring stringent quality and durability standards. Key mechanical dimensions include a height of 2.4 mm, length of 6.6 mm, and width of 10.1 mm, optimizing it for integration within compact electronic assemblies.

Maximum DC collector current of 3 amperes ensures robust performance. Collector-emitter voltage rating of 100 volts supports high-voltage applications. Maximum power dissipation of 15 watts enables stable operation under load.

High transition frequency of 250 MHz suitable for switching and amplification. Compact 3-pin DPAK (TO-252) package for surface mounting on PCBs. Operating temperature range from -65°C to 150°C offers wide environmental tolerance.

Minimum DC current gain (hFE) of 10 for reliable transistor gain. Automotive standard AEC-Q101 qualified for enhanced durability. Single NPN transistor configuration ideal for discrete switching applications. Package dimensions optimized for space-saving designs.

This transistor is ideal for industrial manufacturing, automotive electronics, power management systems, and general-purpose amplification circuits. Its reliability and compliance with industry standards make it a versatile component for electronic design engineers.

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