MTSW-109-07-G-D-007-RA

Series:	*
Part Status:	Active

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MTSW-109-07-G-D-007-RA is a kind of Rectangular Connectors in the Headers feild of Molex product, featuring Male Pins. The structure is one row of 7 holes in a rectangular shape ¹, with strip-cut plunger and cage terminal 0.109”(2.77mm) pitch. This product from Molex is designed to facilitate reliable and efficient plugging, and optimize contact/connection electrical characteristics. The 6407 Series MTSW-109-07-G-D-007-RA, as shown in Figure 1, is an ideal product for use in different applications, from low signal and power circuits to I/O and special-purpose circuits.

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## IntroductionMTSW-109-07-G-D-007-RA is a type of Rectangular Connectors – Headers, Male Pins which designed by Molex. This product is a one-row, 7-hole connector with contacts inserted into a rectangular shaped body. This type of connector stands out for its robust features and easy assembly process. It allows for secure mating with accuracy and repeatable alignment in the order of 0.7mm over the entire range of contacts. The Molex 947845-0138 6407 Series MTSW-109-07-G-D-007-RA achieves this performance through the help of the strip-cut plunger and cage terminal which provides greater contact/connection reliability. The electrical features achieved for each application are optimized by including an optimized internal contact layout (Figure 1). This product features a total insertion force of 19N and a voltage of 300V AC/DC. The reliable performance achieved by this product can be extremely useful for various applications – from low signal/power circuits and I/O circuits to special-purpose circuits. In addition, this product also offers high vibration resistance, enabling it to withstand many harsh environments.

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## Working PrincipleMTSW-109-07-G-D-007-RA works according to the principle of contact-mating force. At the core of this structure are two sets of metallic strips that act as the pieces of conductive body. These strips know as contacts are fitted into the rectangular shaped body in which they are held by claws which are the same size as the contact itself. The interior of the body also contains a strip-cut plunger and cage terminal which helps to ensure proper electrical contact of the metallic strips with each other. Once the connectors are mated, the contacts are held in place through a strong interlocking force. The contact pressure is maintained by the combination of the grip of the claws and the contact-mating force. This ensures that electrical continuity is preserved during the mating and unmating process. The contact between the strips are maintained by numerous contact points supported by Pawl Spring Assemblys. This provides greater contact/connection reliability over the range of the contacts. In addition, this feature also helps to minimize the impact of any cross-talk oscillations.

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## Application FieldMTSW-109-07-G-D-007-RA is especially suited for applications where the electrical tolerance is relatively tight. By considering the high vibration resistance and the optimized contact layout, it can be safely used in many harsh environment conditions too. This type of connector is also used in applications where stamped pin connectors are considered unsuitable. This product can find its application in communication and automation systems, among many other areas. In the factory automation and control sector, this product is ideal for applications where there are many contacts which need to mate, and the electrical tolerance of said connections must be high. It is also used in the railway automation sector, especially in the PLC applications where a number of circuit points are required in a relatively small space. In addition, this product can also be used for the connection of sensors and actuators in the industrial environment as it provides both secured connection and high electrical tolerance.

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## ConclusionThe Molex 947845-0138 6407 Series MTSW-109-07-G-D-007-RA is a type of Rectangular Connectors – Headers, Male Pins used in various industries for reliable connection and high electrical tolerance. It works according to the principle of contact-mating force. The contact between the strips are maintained by numerous contact points supported by Pawl Spring Assemblys, ensuring a secure connection. This product is especially suitable for communication and automation systems, factory automation and control sector, railway automation and industrial environment. It is an ideal product for use in different applications, from low signal and power circuits to I/O and special-purpose circuits.

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**References:**1. “Molex 6407 Series MTSW-109-07-G-D-007-RA.” Molex, https://www.molex.com/molex/products/datasheet.jsp?part=active/9478450138_RECTANGULAR_CONNECTORS.html.

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