STMicroelectronics 1-Element Uni-Directional TVS Diode 1.5 kW, 2-Pin DO-214 SM15T22AY

STMicroelectronics SM15T22AY is a 1-element, uni-directional Transient Voltage Suppressor (TVS) diode designed to protect sensitive electronic components from high energy transient voltage spikes. Rated for a peak pulse power dissipation of 1.5 kW, it ensures robust protection against voltage surges in demanding applications.

Featuring a surface-mount DO-214 package type, this TVS diode supports efficient PCB mounting, saving board space while offering excellent mechanical and electrical performance. The device operates reliably across a wide temperature range from -40°C to 150°C, making it suitable for various industrial, automotive, and commercial electronics applications that require high reliability under harsh environmental conditions.

The diode provides a minimum breakdown voltage (Vbr) of 20.9 V and a maximum reverse stand-off voltage (Vwm) of 18.8 V. It has a clamping voltage (Vc) of 39.3 V and a maximum peak pulse current (Ippm) rating of 254 A, providing strong transient voltage suppression capability. Its low maximum reverse leakage current of 1 μA reduces power dissipation during normal operation.

This component complies with the automotive standard AEC-Q101, ensuring suitability for automotive systems demanding rigorous testing and quality assurances.

The physical compactness of the SM15T22AY is characterized by its 7.15 mm length, 6.25 mm width, and 2.45 mm height, allowing integration into space-constrained PCB layouts. Its 2-pin configuration supports simple implementation in transient voltage suppression circuits.

Single diode configuration for effective protection. Uni-directional transient voltage suppression. Surface mount DO-214 package for compact design. Robust 1.5 kW peak pulse power dissipation. Wide operating temperature range from -40°C to 150°C.

Low leakage current minimizing standby power loss. Compliant with AEC-Q101 automotive standard. Compact dimensions suitable for space-critical applications. Reliable performance in industrial and automotive environments.

This STMicroelectronics TVS diode is ideal for protecting circuits in industrial equipment, automotive electronics, power supplies, and telecommunications devices. For more components like this, browse the TVS Diode category at EnvMart to find high-quality transient voltage suppressors tailored to various protection needs.