MMS-125-02-L-SH-03

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Rectangular Connectors are used in various industrial and commercial applications as well as in personal electronics. One of the most popular types of rectangular connectors is the MMS-125-02-L-SH-03, a part of the MMS product series from Molex. The connector is a two-piece design consisting of a Header and a Receptacle. This article will explore the application field and working principle of the MMS-125-02-L-SH-03.

Application Field

The MMS-125-02-L-SH-03 is used in a wide range of applications. It is a great choice for automotive systems, military electronics, medical equipment, portable electronic devices, user interfaces, and even industrial robots. It is also used in communications systems, test equipment, and consumer products. The MMS-125-02-L-SH-03 is especially suitable for applications that require a high-density connector with a reliable connection. This connector has a robust and reliable low insertion and withdrawal force, which means that the connector retains its connection even when subjected to high frequency vibrations.

The MMS-125-02-L-SH-03 also offers a high degree of protection against environmental factors such as dirt, dust, moisture, shock, and vibration. It is resistant to temperatures between -40ºC and 125ºC and is rated to a minimum of 1,000 mating cycles. It is also available with a range of options including a wide range of colours, genderless configurations, and a range of polarised headers.

Working Principle

The MMS-125-02-L-SH-03 is a two-piece connector system, consisting of a Header and a Receptacle. The Header is fixed to the PCB while the Receptacle is attached to the wire and can be mated to the Header from any angle. The two connectors are connected using Molex\'s patented Megasplit design, which distributes the contact forces evenly. This ensures a reliable connection.

The MMS-125-02-L-SH-03 features 24 pins in two rows of 12, arranged in two rows of six horizontally. Each row of contacts is held in a stamped housing which is connected to the PCB via two rows of 0.2mm round pins. The contacts are retained in the stamped housing by the action of two separate latches, which also ensure a positive locking connection.

The Receptacle is attached to the end of the wire by a strain relief and a 4-40 nm unthreaded insert to ensure that the wire does not slip out. The Receptacle is made up of a housing and a contact sleeve, which protect the contacts from environmental factors. The contacts are held in place by a locking feature which also ensures a reliable connection.

The MMS-125-02-L-SH-03 is an affordable and reliable connector solution, suitable for a wide range of applications. It is quick and easy to assemble, features a low insertion and withdrawal force, and provides excellent protection against environmental impacts. It is an ideal choice for applications that require a reliable and high-density connection.

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