TMM-142-01-S-Q-RA

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Connector technology has been around for centuries with designs consisting of just a few pins. Advancements in modern technology have seen the development of connectors with numerous distinct pins, which allow for more features and better functionality. For many applications, a single connector simply cannot transport enough current or offer enough packing density.

The TMM-142-01-S-Q-RA rectangular connector from TE Connectivity is the ideal solution for various applications where power, signal and an optimal space for routing are needed. Thanks to its extreme power carrying capacity, deep packing density, an array of contact solutions and various accessories, no other connector offers as much performance.

Applications

The TMM-142-01-S-Q-RA is designed for applications that require the highest possible electrical performance, including those that require higher data transfer rates such as communication buses, industrial control systems, and avionic systems. Its versatility means it is also suitable for applications in automotive, medical, instrumentation, and audio/video equipment.

This connector has a very high current carrying capacity due to its connection of multiple power contacts, robust design and contact force. It provides power up to 42 amps, big enough to power appliances such as motor drives and lights. Additionally, it is also well-suited for medical applications where its design enables it to meet the demands for EMI protection and highest safety levels.

The TMM-142-01-S-Q-RA has an advanced contact technology which offers extremely reliable contact performance at high contact pressures with very low contact resistance. This contact technology ensures a connection with low contact resistances up to 5 mΩ, enabling a high current carrying capacity.

The connector has gold over nickel plating for corrosion protection and long term contact reliability. The backshell is made of stainless steel. The TMM-142-01-S-Q-RA has a metal outer shell that provides excellent RF isolation. It also has auxiliary ground contacts, to ensure maximum EMI protection.

Working Principle

The TMM-142-01-S-Q-RA features a two-piece design with an inner and an outer piece. The inner piece consists of four sets of power contacts and signal contacts, as well as a contact retainer and a strain relief. The outer piece is a mating shell which provides EMI and RF shielding, as well as various mounting options. Together, these two pieces create a strong and reliable connection.

The power contacts are twenty-nine dual-side-contact (DSC) crimp contacts, which are arranged in a unique pattern to ensure the highest possible current carrying capacity with the lowest possible contact resistance. The signal contacts are thirteen single side contact (SSC) crimp contacts, which are designed with a minimum contact force for maximum reliability. The contacts are sealed with a plastic seal to ensure a completely water and dust proof connection.

The TMM-142-01-S-Q-RA is a rectangular connector with a blind mating design and a positive locking system to ensure a secure connection. The locked position is marked with a window on the male pin and a protruding part on the female socket. This design simplifies installation and ensures longevity in demanding applications.

In summary, the TMM-142-01-S-Q-RA rectangular connector from TE Connectivity is the ideal solution for various applications that require high electrical performance and power capabilities. Its unique design, features and accessories make it an excellent choice for numerous applications.

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