DA3V3P500G40LF

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D-Sub connectors are an important technology of electronic engineering. The DA3V3P500G40LF is one of them. It belongs to the high density Double Row Pin Style connectors. This feature makes them popular in applications which require precise mating pin layouts.

The DA3V3P500G40LF is composed of multiple insulators, shells, contacts and screws. The insulators of this connector are used to insulate and maintain a reliable secure electrical contact between the mating components. These insulators are made from PBT resin with 30% glass filled to guaranteed long term stability and acceptable dielectric. The shells come in various sizes and shapes to accommodate different contacts or locks. These shells also provide mechanical strength for the connectors. The contacts of the DA3V3P500G40LF use tantalum plated phosphor bronze and can be divided into two groups, power and signal contacts. The power contacts are used to transfer heavy electrical currents while signal contacts are used to transfer fragile electrical signals between the components. The screws are the fixation parts, which fix the insulation and keep components in place.

The DA3V3P500G40LF is usually used in applications requiring fixed wiring. Before installation, the user must make sure that different contact size, displacement, and shape should fit each other perfectly to avoid any mechanical or electrical issues. After installation, it can provide a high current level and good signal transmission in environments with high temperature, vibration, and pressure.

In terms of working faculties, the DA3V3P500G40LF has a contact resistance of 10 ohms max, a dielectric strength of > 1500VAC, and operating temperature of -25 to +125℃. The DA3V3P500G40LF offers 1.7A sink current rated per contact and 500V r.m.s voltage rated between the contacts and shell contact withstand voltage. It also comes with the ability to withstand 15G vibration rating as well as operating in temperature ranges up to 70 degrees Celsius.

The DA3V3P500G40LF power contact has up to 6A current rating with a 1.00mm to 2.00mm displacement contact and 0° pitch which enables high current contact and offers a secure connection. Its signal contacts come with up to1A current rating with 0.50mm to 1.50mm displacement and 0.40mm to 0.70mm pitch. The signal contacts are employed for signal transmission and its small size and low contact resistance make it suitable for high-speed applications.

In summary, the DA3V3P500G40LF is a typical high-density connector of the Double Row Pin series. It offers quick installation, excellent electrical and mechanical performance, and a wide range of additional features suitable for many high-density applications.

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