The ISOCOM H21A3 is a high-performance optocoupler designed for applications requiring robust electrical isolation. Featuring a phototransistor output, this device provides reliable signal transfer while maintaining a high isolation voltage of 5300 Vrms. This makes it suitable for use in environments where safety and isolation are critical. Supreme Components International, an authorised distributor of ISOCOM components, offers the H21A3 to meet your optoelectronic needs. Applications include power supplies, industrial control systems, data transmission, and telecommunications equipment. The H21A3 offers excellent performance characteristics and is designed for long-term reliability. Choose the H21A3 for your isolation requirements and ensure the safety and integrity of your circuits.