5148656-4

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The DIN 41612 standard is a German standard for backplane connectors. The 5148656-4 is a type of connector conformant to this standard. It is used to connect boards within a housing. This article discusses its application field and working principle.

Application field

The 5148656-4 is primarily used to connect printed circuit boards, such as motherboards and daughterboards, in an electronics housing. They are typically found connecting either a daughterboard to a motherboard or daughterboards to each other. The standard spacing of the contacts in the connector allows for efficient access when placing and removing the boards. The connectors use a push-pull connection, giving them a higher secure locking force than conventional double-sided connectors.

The connectors are not designed for continuous plugging and unplugging. Instead, they are primarily intended for assembly and disassembly in service or production. This makes them useful for applications such as computerized machine tools or electronic testers, where boards need to be frequently swapped in and out. The connectors can also be used to provide a quick way of connecting multiple daughterboards to a single motherboard.

Working Principle

The connector uses a plug and socket version with two rows of rows on each side. Each row consists of 10 pins. The pins are preloaded with a series spring contact for optimal electrical connection. When inserted into the socket, the pins make contact with the socket spring. The male and female connectors are then latched together with a key lock mechanism.

The pin rows on both the male and female connectors are coded to avoid wrong insertion. The male connector has codes A, B and C, while the female connector has codes D, E and F. To ensure correct insertion and reliable contacts, the pins with codes A and D must be aligned with each other. In addition, the pins with codes B and E, and C and F must also be aligned in the same way.

The preload and key-lock design ensures optimal electrical contact and a secure locking force that exceeds conventional double-sided connectors. This makes the 5148656-4 an ideal choice for the application of connecting boards within a housing.

Conclusion

The 5148656-4 is a type of backplane connector conforming to the DIN 41612 standard. It is used to connect printed circuit boards within an electronics housing. Its push-pull connection provides a high secure locking force, and its pins are coded to prevent wrong insertion. For these reasons, it is an ideal choice for assembly and disassembly of boards in service or production.

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