93235-111LF

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Backplane connectors are used in many applications, such as in telecom and computer equipment. The 93235-111LF is a specialized backplane connector, used in high-density applications with a reduced contact pitch. This article will explain the application field and working principle of the 93235-111LF.

General Description and Features

The 93235-111LF from Amphenol is a special backplane connector designed for high-density applications such as telecommunication and computer equipment. It is a single row through-hole, low profile connector designed to be used with a variety of board-to-board systems. The contact pitch is 1.125 mm, which allows for high-density layout in the applications. It is also suitable for high buffer compartment height in applications, offering a low profile of 11.9 mm. The 93235-111LF accepts a wire diameter of 0.76 mm. It is rated to 220V AC or DC, 16A max. per pin. The contacts are plated with gold, with a contact resistance of 5mΩ max. The standard housing material is UL94V-0 HM-PBT.

The 93235-111LF is a space-efficient alternative to the 93235-111HF and 93235-111SF. It is optimized for blind mate applications, and has a unique secret-latch designed for secure mating. The connectors feature polarizing, keying and shielding options for configurations. They are suitable for board-to-board applications with high current requirements. It has high reliability, with an operating temperature range of -55°C to +125°C, though a minimum of 65°C is recommended for maximum reliability.

Application Fields and Working Principle

The 93235-111LF is used in a wide range of applications, including telecom, computer workstations, and active backplanes. It is suitable for high-density layouts where a minimum of space is needed. It is also used in precision equipment like medical imaging devices, test instruments, and aerospace equipment.

The 93235-111LF is designed for signal and power distribution. It features a vertical contact orientation that is suitable for board-to-board applications requiring higher current. The connector includes two contact rows, each row consisting of five sockets. The sockets are held in place with a spring sleeve (also known as a spring-loaded sleeve). When connected, the spring sleeve creates an electrical connection between the two boards, allowing for electrical signals to be transmitted between the boards.

The 93235-111LF also features a secret-latch, which helps ensure that the contacts stay securely engaged. The secret-latch can only be released through a specific sequence of steps, ensuring that the contacts will remain connected until the user deliberately releases the latch. This feature helps prevent accidental disconnects or other unintentional disengagements.

Conclusion

The 93235-111LF is a unique backplane connector designed for a range of applications, from telecom to computer workstations to active backplanes. Its high-density contact pitch makes it suitable for such applications, while its secret-latch is designed to prevent accidental disconnects. The contacts are plated with gold, ensuring reliability and a low contact resistance. The 93235-111LF is a high-reliability connector with a long life and a maximum temperature rating of +125°C.

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