The KSMAJ15A-E3/61 is a unidirectional SMA TVS (transient voltage suppressor) made by Yongyutai Electronics. It is a RoHS (Restriction of Hazardous Substances) compliant device and can withstand voltage up to 24.4V, 16.7V, and 15V for reliable protection against voltage transient spikes. It is suitable for use in automotive, industrial, and other electronic applications. The unit is available in various sizes such as 508 mils, 1210 mils, and 2025 mils with peak pulse power of 420W at 10/1000 µs and 10/10 µs. Its fast response time and low clamping voltage makes it suitable for various power supplies and communication links. It also features a low working current, reverse leakage current, and capacitance for efficient electrical performance.