Some retention mechanisms are more reliable than others. Moisture/oil resistant connectors are designed to protect connections from oil or moisture damage.ĮMI or RFI filtering on connectors provides protection against electromagnetic interference (EMI) and/or radio frequency interference (RFI).Connectors retain their electrical contacts within an insulating housing. Water resistant connectors are designed to protect connections from water damage. Hermetically sealed connectors are fully functional underwater and can withstand water pressure up to a certain depth. Locked connectors provide a means to lock the connection in place, preventing the connection from being undone accidentally. Image Credit: wikipedia | Dimensions Guide Pins and casing are oriented so that the plug cannot be inserted incorrectly. This prevents the user from damaging pins or inserting them into the wrong sockets. Keyed connectors are designed to only connect at a specific orientation. Some applications may require electrical connectors to possess certain features. High strength modified copper good thermal and electrical properties resists softening at high temperatures Good strength, toughness, and conductibility excellent fatigue resistance superior elasticityįinest copper alloy for spring terminals priced significantly less than phosphor bronzeĪpplications demanding optimum performance Zinc content varies from 5-40% cheapest metal by weight good spring, strength, and electrical properties Some common terminal metals are described in the table below: Properties of conducting materials that are important for electrical contacts include conductivity, mechanical strength, formability, and resilience. Connectors are typically made of metal and plastic, but can be constructed using just about any conductor and insulating material. Materials-the materials used to construct the connector. They are nearly always made up of some type of metal, but any material that conducts electricity can be used (e.g. Terminal pins in a connector provide the electrical conduction that makes the connection. Housing is normally made up of some type of molded plastic, but can be made out of any type of insulator material (e.g. Housing is the case or structure used to hold the terminals, stabilize the connection, and protect the contacts from shorting and/or from various environmental hazards. Most connectors are composed of two main parts: housing and terminals. They are used extensively on circuits for communications, computers, industrial machinery, and consumer electronics. They also ease circuit repairs and allow flexibility in design and modification. Connectors make electronic products easier to assemble and manufacture. Most connectors are removable or temporary, but some can be permanent. Electrical connectors are devices that join electrical circuits together.
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