STMicroelectronics SMA6J15A-TR Transient Voltage Suppressor

The SMA6J15A-TR from STMicroelectronics is a robust transient voltage suppressor (TVS) designed to protect sensitive electronic equipment from voltage spikes and transients induced by lightning and other transient voltage events. This device is a part of ST's SMA6J series, which is well-regarded for its high reliability and performance in protecting against overvoltage conditions.

The SMA6J15A-TR is specifically engineered to safeguard voltage-sensitive components which can be affected by transient phenomena. It offers a standoff voltage of 15V, which provides a margin of safety for electronics operating at or below this voltage level. The device's unidirectional configuration ensures that protection is optimized for scenarios where threats are known to occur in a specific polarity, making it ideal for DC power supply applications.

Constructed in a compact SMA (DO-214AC) package, the SMA6J15A-TR is suitable for high-density circuit boards where space is at a premium. The small footprint of the component does not compromise its ability to dissipate high amounts of transient energy with a peak pulse power dissipation of 600W (10/1000μs). This capability is essential for absorbing and diverting potentially damaging energy away from vulnerable circuit components.

Furthermore, the SMA6J15A-TR features a fast response time, typically in the order of picoseconds, providing immediate protection upon detection of a transient event. This is critical for preventing the transient from reaching and damaging the protected component. The device also boasts a low clamping voltage, which is the maximum voltage that will be presented to the protected component during a transient event. This ensures that even when the TVS is active, the voltage stress on the protected circuit remains within safe limits.

The SMA6J15A-TR is RoHS compliant and adheres to ISO 9001 and ISO 14001 quality standards, reflecting STMicroelectronics' commitment to environmental responsibility and product quality. With its combination of performance, reliability, and compact size, the SMA6J15A-TR is an excellent choice for designers looking to enhance the durability and longevity of their electronic systems.