Littelfuse SIR2B20B4 is a compact and efficient solid-state relay. With an output load rating of 20A, it ensures reliable performance. The 0.25 in. (6.3 mm) male quick connect terminals enable easy installation. Designed for versatility, it has an input tolerance of ±20% and can withstand humidity up to 95% non-condensing. With an insulation resistance of ≥100, this relay guarantees safety. It consumes minimal power, drawing ≤0.5W. Boasting a dielectric breakdown of ≥2000 terminals to mounting surface, it ensures durability. Featuring an output voltage drop of ≅2.0V at rated current, it maintains steady performance. The open state leakage current is ≅6A, and the minimum output load current is ≅50A. The input type is optical isolation LED/photo transistor, offering reliable signal transmission. It operates at an output voltage of 120 Volts.