MMB21-0501QU

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The MMB21-0501QU is a specialized backplane connector assembly specifically designed for applications that require a compact form factor solution. The assembly utilizes a special combination of contacts that provide the versatility and dependability required to meet the unique needs of these applications. This article will discuss the application field and working principle of the MMB21-0501QU.

Applications

MMB21-0501QU is an ideal solution for applications that require a short depth connector assembly, and/or have limited space around the board and component edges. This highly flexible connector assembly can provide up to 12 (1.27mm) pitch and 64 I/O count, making it a great solution for applications such as:

• Robotics and automation
• Computer-on-module systems (COMs)
• Medical and laboratory equipment
• Industrial cell controllers

Design Characteristics

The MMB21-0501QU connector assembly is designed using high density, compact 2.54mm (.1”) pitch male contacts, and features an opposite mating female contact. The assembly is simple to use and provides the security and re-work options that many applications require. The use of a superior and proven interlocking mechanism improves the retention force, ensuring reliable performance. The contacts are rated for current of 350 mA, and feature a lifetime of 100 cycles.

Working Principle

The MMB21-0501QU utilizes a push-pull connector mating mechanism to ensure a secure connectivity between the connector and receptacle. The contacts are pre-loaded onto the connector housing and feature a mating angle that provides improved performance and strength. When the connector is mated with the receptacle, the contacts are inserted into the receptacle and the mating surface is pushed to the right or left. This ensures a consistent and solid connection. Once the connector is fully mated, the locking tab on the connector housing provides the additional safety against accidental disconnection.

Conclusion

The MMB21-0501QU backplane connector assembly is a compact, high-reliability solution designed for applications that require limited space. This connector assembly is highly configurable and easy to install, while providing the security and re-work options that many applications need. Its high density, compact size, superior interlocking mechanism, and reliable performance make the MMB21-0501QU the perfect choice for a wide range of applications.

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