LTMM-121-02-G-D

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LTMM-121-02-G-D is a type of rectangular connector which falls under the category of headers, male pins. This type of connector is used mainly for providing interconnectivity between two parts in a variety of devices and mechanisms. The devices such as computers, smartphones, tablets, communication equipment, electronic medical instruments, automotive systems, and much more can be equipped with this type of connector.

The LTMM-121-02-G-D connectors are typically used for mated connections due its high contact density. It has 121 contacts per linear inch or 2 per mm. The male pins are made to be inserted into a female header (or socket) that is connected to a PCB or a part of a device. The pin spacing is 4.2 mm and the presence of 2 mm contact centers ensures that these connectors maintain a reliable connection between the two components.

The standardization ensures that the connectors have specific dimensions to ease installation and allow the integration with other connectors. The mating interface of the LTMM-121-02-G-D connectors is not compliant with traditional DIN or D-sub connectors, however, the high contact density makes it more suitable for high-density applications where space is a premium factor. The pin-size of 1.02 mm is suitable for size restrictions that are commonly present in such applications.

Because of the materials used, this type of connector has a high resistance to environmental conditions such as dust, moisture, and vibration. The LTMM-121-02-G-D connectors also have a resistance to temperature as the range of operation is from −40°C to +105°C. This ensures that in adverse conditions and extreme temperature, the device with connector experiences no malfunctions.

The LTMM-121-02-G-D connectors use a range of materials for construction. Most commonly they are made of copper alloys, which are highly conductive and have a low contact resistance. The pins are plated with a tin-lead alloy, which provides high resistance to corrosion and oxidation. The contact housings are usually made of UL 94V-0 rated thermoplastic material. The material also features a flame-retardant property if subjected to high temperatures.

In terms of applications, the LTMM-121-02-G-D connectors are used in a range of devices due to their high contact density and reliable contact retention. They are used for powering the components, for transmitting data and signals, and for interconnecting with external modules such as cameras, sensors, and processors. These connectors have also been used in hybrid vehicles, drones, robotic arms, and other industrial applications.

Due to its size and shape, the LTMM-121-02-G-D connectors can be installed into the device in two possible ways. One way is the so-called “board-to-board” way, wherein two printed circuit boards are directly mated with each other after installing the connectors. The other popular way is the so-called “cable-to-board” way, wherein a single printed circuit board is connected to a cable through the use of connectors.

The LTMM-121-02-G-D connectors have also found application in medical equipment due to its safe contact retention and reliable electrical connection. High-end digital medical instruments such as X-ray machines, ECG devices, scanners, and several other testing systems use this type of connectors for the interconnection of various components.

The working principle of the LTMM-121-02-G-D connectors is based on the principle of contact wiping. When the male header is inserted into the female header, it forces in a spring-loaded contact that makes the connection by wiping down through the contact pads. This action creates a reliable electrical connection between the two components and also limits the effects of dust, moisture, and vibration on the connection.

Overall, the LTMM-121-02-G-D connector is a reliable and high-performance connector that allows for easy and safe interconnection between two parts of a device. Its high contact density, contact retention, and corrosion resistance make it suitable for high-density applications in the automotive, medical, and industrial industries.

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