The A72-050 with PTC Resettable Fuses Through Hole RoHS is a low-cost, high-reliability component manufactured by JDT. It is designed to protect both AC and DC devices from electrical surges and short-circuits. The PTC resettable fuse operates as a single-use (time delay only) circuit breaker, providing protection and automatic resetting upon removal of the overcurrent or steep temperature condition. It features 50A 250VAC/48DC rating, 1000mA holds current, and 5.2mm insulation diameter. Its RoHS compliant construction makes the component safe and suitable for low-voltage industrial applications.