The ONSEMI ES1B is a high-efficiency, fast-recovery rectifier diode designed for use in various power supply applications. This diode is encapsulated in the SMC (DO-214AB) package, providing excellent thermal performance and a compact footprint for space-constrained designs. The ES1B is rated for a reverse voltage of up to 100V and features a forward current of 1A, making it suitable for efficient energy conversion in low to medium power circuits.With a fast recovery time of less than 35 nanoseconds, the ES1B minimizes power loss and improves overall performance in high-frequency applications. This part is ideal for use in AC/DC converters, freewheeling diodes, and other general-purpose rectification tasks. The ES1B is also RoHS compliant, ensuring that it meets environmental and safety standards for modern electronic applications. Whether you're designing consumer electronics, industrial equipment, or renewable energy systems, the ONSEMI ES1B offers reliability and efficiency with its robust construction and superior electrical characteristics.