91570-118

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Backplane Connectors are used to connect two or more printed circuit boards in order to create a single system. This allows for the electronic components mounted on the boards to communicate with one another. The 91570-118 is a type of backplane connector, specifically a higher density version of the 91570-120. The 91570-118 is notable for its smaller size that allows it to be used in space-constrained applications where a normal 91570-120 may not fit.

Eyelet Contacts

The 91570-118 utilizes eyelet contacts, which are a single contact component consisting of a metal base and a plated terminal ending in a circular hole. These contacts have a lower contact resistance and inductance than wire terminations, allowing them to provide a better and more reliable connection.

The 91570-118 eyelet contacts are designed to accept 0.094-inch diameter wires, which provide enhanced mechanical stability and enhance the overall strength of the connection. The eyelet contacts are plated with gold or silver to provide better electrical contact and to ensure a reliable connection over time. The contacts are also rated for up to 2.5 Amp per contact, which allows them to be used in applications requiring high current flow.

Mounting Style

The 91570-118 is designed with a vertical mounting style, which allows it to be directly mounted to a printed circuit board. The connector has a snap-in design, meaning that it can easily be installed and removed from the motherboard without the use of any tools. This makes it ideal for applications needing frequent installation and maintenance.

The 91570-118 utilizes an insulation displacement connection (IDC) system, which requires no special tools or accessories in order to be installed. The IDC system also provides a secure connection with reliable contact strength, allowing the connector to withstand high temperatures. Additionally, the IDC system is compatible with most types of standard cables, eliminating the need for special adapters.

Working Principle

The 91570-118 connector operates on the principle of electrical resistance. The eyelet contacts inside the connector provide a low-resistance connection between the two devices, allowing electricity to flow between the two. This allows data signals to be transferred quickly and efficiently.

The 91570-118 also provides a stronger and more reliable connection compared to wire-to-wire connection types. This eliminates the risk of wire-to-wire connections coming loose or being damaged, reducing the chances of incorrect data signals being sent.

Applications

The 91570-118 connector is mainly used in printed circuit boards for industrial and automotive applications. This includes applications where the connector needs to be mounted inside a compact space, such as automotive displays, instrument panels, and aircraft panels. Additionally, due to its snap-in design, the 91570-118 is also ideal for applications requiring frequent maintenance and repair.

The 91570-118 is also suitable for use in harsh environments, as its connectors are rated for up to 2.5 Amp per contact and have a temperature resistance of up to 105°C. Additionally, the connector is vibration proof, making it suitable for use in applications involving vibration.

Conclusion

The 91570-118 is a high-density backplane connector designed to provide reliable connections in space-constrained applications. It utilizes eyelet contacts plated with gold or silver to provide enhanced electrical contact and reliability over time. Additionally, it features a snap-in design and an insulation displacement connection (IDC) system, which eliminates the need for special tools or accessories. The 91570-118 can be used in a variety of applications, including automotive and industrial applications, due to its strong electrical connection and ability to withstand harsh environments.

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