SDL-128-TT-12

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Rectangular Connectors have been used in a variety of applications for decades. Encouraged by their defined shape and durability, engineers have utilized them in a variety of ways. One of the most popular form of rectangular connectors is the SDL-128-TT-12, which is used predominantly in the automation industry. This article will focus on the application field, as well as the physical and internal working principle of the SDL-128-TT-12 rectangular connector.

The SDL-128-TT-12 is a double-row, 12-contact rectangular connector. As such, it provides a secure and reliable connection with the PCB. The SDL-128-TT-12 features a rectangular configuration that has an approximately 2.8 mm pitch, which attributes to its miniaturized size and high density. This pitch also maximises the contact density, making the SDL-128-TT-12 an ideal fit for tight packing and demanding applications.

Due to its high density and compact size, the SDL-128-TT-12 is used in situations where board space is limited and the number of contacts needs to be maximised. It’s commonly seen being attached to communication and I/O boards, as well as on boards that handle high-density digital signal processing (DSP). As the number of contact points can reach up to 24, the SDL-128-TT-12 is particularly ideal for applications that require a higher power transmission capacity. It has been used in areas such as forward power supplies, DC/DC converters and automotive applications.

In order to provide a secure connection, the SDL-128-TT-12 is designed with two distinct sections. The first section is the male connector, which is responsible for transmitting the power and data signals. This section is attached to the PCB, and it’s comprised of two rows of four and two rows of six contacts respectively. The second section is the female connector, which is responsible for receiving the signals from the male connector. This section is attached to the cable, and it contains double-sided clips that provide a secure hold over the contacts on the male connector. The female connector also features metal strips that are designed to prevent the short-circuit of any signals.

The SDL-128-TT-12 features a waterproof design, which prolongs the use of the connector in wet environments. This waterproof design ensures that the connections made are tight and reliable, and it also helps to protect the PCB, I/O boards and cables from any potential water-related damage. The SDL-128-TT-12 also has a self-aligning mechanism, which helps to maintain the strength of the connection while providing foolproof installation.

The SDL-128-TT-12’s internal components consist of nickel-plated phosphor-bronze contacts and tin-plated copper alloy housings. These components are designed to resist corrosion and oxidation, and they further increase the connector’s lifespan in harsh environment. The SDL-128-TT-12 also has an operating temperature range of -55°C–105°C, which helps to ensure reliable performance in extreme temperatures. It also has a high dielectric strength of 500 VAC/minute, and a current rating of 2A with a contact resistance of 10mΩ per contact point.

The SDL-128-TT-12 is an excellent choice for a variety of applications, thanks to its compact size and high contact density. Its robust design ensures reliable performance in a variety of environments, and its waterproof design helps to protect the internal components from any potential water-related damage. In addition to its dependable power transmission capability and current rating, its wide operating temperature range makes it ideal for extreme temperature applications. Overall, the SDL-128-TT-12 is the perfect choice for any automation application that requires a high-quality, reliable rectangular connector.

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