The 1SMA4744A is a Zener diode manufactured by SUNMATE, suitable for efficient and reliable operation in a wide range of electronics applications. It has a rated power of 1W, breakdown voltage of 11.4V, tolerance ±5%, maximum Zener current of 5uA, Zener impedance of 14O and maximum working voltage of 15V. The device is packaged in SMD (Surface Mount Device) form factor, with dimensions of DO-214AC (SMA). In addition, it is compliant with RoHS requirements and Lead Free standards, making it suitable for high-reliability applications.