TMM-145-01-G-D-RA-021

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Headers, also known as rectangular connectors, are components containing a multitude of male pins. The TMM-145-01-G-D-RA-021 header is one example of such a component, commonly used for low voltage signaling in consumer and industrial products. This article will cover its application field and working principle.

This header is typically used to connect two or more boards or devices together, routing signals from one part to the other through a wiring system. It is mainly employed for non-power applications such as communication, audio, and video systems. The TMM-145-01-G-D-RA-021 header has 145 pins, and its contact area is 2.54mm (0.1”) pitch. The contact pins are made of phosphor bronze, with gold plating. The package material is Nylon 6/6. These features ensure reliable contact even when mated several times.

Mechanical Structure

The TMM-145-01-G-D-RA-021 header has two basic parts - the plug and the housing. The plug contains all of the contacts that interface with the circuit board, and is typically soldered directly to the board prior to mating. The housing holds the pins in place, providing the necessary support for the pins to maintain reliable contact during use. It is typically a two-piece assembly, with the top and bottom sections being held together by metal clips or plastic locking tabs.

Performance

The TMM-145-01-G-D-RA-021 header is designed to provide durable, reliable contact between the contacts and corresponding board traces and wire traces. It is rated to 500 mating cycles and rated current of 1.5A. Insulation resistance and temperature ranges, which ensure the device will perform correctly under a wide range of operating conditions, are also specified. Minimum mechanical shock and vibration resistance have been tested to ensure reliable operation when exposed to certain types of environmental stressors.

Portability

The TMM-145-01-G-D-RA-021 header is also designed to offer superior portability, as it is designed to be both lightweight and compact. Its small footprint and low profile make it ideal for applications where space is limited or when a high density of pins is desirable. In addition, the lightweight and compact design facilitates faster installation than traditional connectors. Furthermore, the range of packaging options make it versatile enough to suit different requirements.

Protection

The TMM-145-01-G-D-RA-021 header offers good protection against static discharge, humidity, dust, and high temperatures. Also, the contacts are coated with gold flash to prevent the oxidation of the contacts over time, ensuring reliable contact even after many mating cycles. The plastic housing provides additional protection against dust and moisture, and the pins are recessed within the connector, to minimize contact exposure and improve reliability.

Conclusion

The TMM-145-01-G-D-RA-021 header is an ideal solution for low voltage signaling applications where reliable contact and portability are required. It offers superior protection against static discharge, humidity, dust, and high temperatures. Its durable construction and small size make it an ideal choice for applications where space is limited or when a high density of pins is desirable. Furthermore, the range of packaging options make it versatile enough to suit different requirements.

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