Vishay Intertechnology, Inc. Backplane Connectors - Specialized MMB21-011

The MMB21-011 backplane connector from Lingto Electronic Limited is a microminiature rectangular connector qualified to MIL-C-28748/7/8 standards. It features solder cup contacts and dip solder contacts, making it versatile for various applications. The connector is designed for high-performance environments, particularly in airborne, instrumentation, and portable equipment, where space and weight are critical without compromising on performance. Electrical specifications include a current rating of 5 A for model MM22 and 3 A for model MM24, with a breakdown voltage of 2000 V_RMS at sea level and 500 V_RMS at 70,000 feet. The contact pins are made of phosphor bronze, with optional beryllium copper available, and are gold-plated for enhanced conductivity. The connector's body is constructed from glass-filled diallyl phthalate, ensuring durability and resistance to high vibration and shock. The MMB21-011 connector is suitable for applications requiring reliable connections in demanding conditions, making it a solid choice for engineers looking for robust backplane connectors.