Littelfuse ESDR123B4P is an encapsulated circuitry product with a maximum power consumption of 1 W. It features quick connect terminals of 0.25 in. (6.35 mm), providing an input tolerance of ±20%. With a humidity resistance of 95% non-condensing, it also offers a repeat accuracy of ±0.1% or 20 ms. The product has a steady-state load rating of 1 A and a 10 A inrush at 45°C. It has a reset time of ≤150 ms and a dielectric breakdown of ≥2000V. The output voltage drop stands at 1 V @ 1 A, and the open state leakage current is 1 A. It is designed for a long life, with electrical and mechanical ratings of 1 x 10⁶ and 1 x 10⁷ respectively.