The JS12-K with Relays Through Hole RoHS is an electronic component manufactured by Fujitsu. It is a single row, through hole, sealed, relay with 12 pins. It features a compact and lightweight design, making it easy to install and suitable for various applications. It has a maximum switching capacity of 6 Amps at 5VDC and 1A at 100VAC, and it operates between 0°C and 50°C. The JS12-K is RoHS compliant, indicating it is free of hazardous substances such as lead, mercury, and cadmium.