MMA21-0261K1

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MMA21-0261K1 is a special backplane connector. It is designed for system connection such as SMARC, COM Express, Qseven, and ETX computer-on-module connections. This kind of connector is ordinarily used in applications such as industrial computers, embedded PCs, motherboards, measuring instruments, medical equipment, as well as communication and military applications.

MMA21-0261K1 is composed of three components: a circuit board, a connector, and a receptacle. The circuit board has a dual-row contact system for signal transmission between two boards. The contacts are divided into two fields: power, for high-current application, and logic, for signal transmission. The connector is made of high quality engineering plastic material, and the receptacle is a high-momentum metal shell. Eliminating the system damage which normally occurs during boards insertion and extraction, the MMA21-0261K1 ensures an easy connection and a reliable mating.

MMA21-0261K1 has a weight of 27 g and a LGA Pitch of 1.27 mm. Its operating temperatures range from -40 °C up to +120 °C, and its contact resistance is 30 mΩ. It can sustain extreme conditions, such as shock, vibration, and corrosion, and it has a lifespan of up to 5000 mating cycles. With this combination of features, it is an ideal product for backplane connectors requiring high efficiency, dependability, and longevity.

The working principle of the MMA21-0261K1 is simple. The connector is mounted on the board along with pre-built contacts. When the board is mated with the connected device, the contacts are aligned in fields and the connection is established, allowing data and power to be transmitted from the board to the connected device.

MMA21-0261K1 is a specialized connector for backplane applications. It is built to last and to ensure reliable connection during long-term operations. This connector simplifies the setup and minimizes the effort required for connection between system components.

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