The FX30B-4S-3.81DSA is a high-performance board-to-board PCB connector designed for reliable and efficient power and signal transmission in electronic systems. Featuring a sleek black housing made of durable nylon, this connector is part of the FX30B series, catering specifically to female connections. With four gold-plated copper alloy contacts, it ensures excellent conductivity and signal integrity, even in harsh operating conditions ranging from -55°C to 105°C. The straight mount type with a 3.81mm pitch and through-hole termination method offers easy and secure installation on PCBs. Rated for 20A of current and 250VAC, with a low tail length of 3.3mm, this connector is ideal for compact and high-power applications. Its UL 94V-0 flammability rating and RoHS compliance guarantee safety and environmental responsibility. With 100 mating cycles, the FX30B-4S-3.81DSA is a dependable choice for various industries, from telecommunications to automotive, ensuring robust and long-lasting connectivity in your electronic designs.