STMicroelectronics SMAJ130CA-TR Transient Voltage Suppressor

The SMAJ130CA-TR from STMicroelectronics is a robust Transient Voltage Suppressor (TVS) diode designed to protect sensitive electronic equipment from voltage transients induced by system inductance, lightning, and other transient voltage events. This product is specifically engineered to safeguard voltage-sensitive components which can be compromised by these sudden surges, ensuring the reliability and longevity of your electronic devices.

Encased in a compact SMA (DO-214AC) surface-mount package, the SMAJ130CA-TR is optimized for automated assembly processes, offering ease of integration into a wide range of applications. Its small footprint and low profile make it particularly suitable for space-constrained environments where board real estate is at a premium.

The device features a bidirectional configuration, providing symmetrical protection for both polarities of voltage transients, making it a versatile solution for alternating current (AC) applications or where the polarity is reversible. With a stand-off voltage of 130V, the SMAJ130CA-TR is capable of clamping and withstanding significant surge events without degradation to its protective capabilities.

Key specifications include a peak pulse power dissipation of 400W for 10/1000µs waveforms, which highlights its ability to handle high transient power. The fast response time of the SMAJ130CA-TR ensures that it reacts swiftly to surge events, typically in less than 1 picosecond from 0 volts to BV min. This is critical for protecting modern high-speed circuitry from the potentially damaging effects of voltage spikes.

STMicroelectronics has designed the SMAJ130CA-TR to meet rigorous industry standards, including IEC 61000-4-2 for Electrostatic Discharge (ESD) immunity and IEC 61000-4-5 for surge immunity. This compliance reassures users that the product is suitable for a broad range of applications, including consumer electronics, automotive systems, industrial automation, and telecommunications infrastructure.

Overall, the SMAJ130CA-TR is a reliable and efficient solution for transient voltage suppression, backed by STMicroelectronics' reputation for quality and performance in semiconductor technology. Its combination of compact size, high surge capability, and compliance with international standards makes it an excellent choice for designers looking to enhance the durability and reliability of their electronic systems.