62739-1 Connectors, Interconnects

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62739-1 is an international standard for controlling the design, manufacture, and testing of terminals and barrel, bullet connectors. These connectors are used in a variety of applications, from automotive to industrial and telecommunications.

62739-1 covers the design requirements for barrel and bullet connectors with a rated voltage of up to 440AC and a rated current of up to 55A. The connectors must have a minimum contact resistance of 0.01Ω and a maximum insulation resistance of 5,000MΩ. The standard also defines the environmental requirements for connectors, including durability, temperature and vibration resistance.

The working principle of 62739-1 is based on the fact that there are two conductive components in any electrical connection: the terminal and the corresponding barrel or bullet. The terminal typically has a slot that provides a location for electrical contact, while the barrel or bullet can be inserted into the slot for the connection. In this way, contact is established between the two components.

The connectors must be able to withstand various environmental conditions such as vibration, temperature, and humidity. To ensure this, the electrical contacts must be properly spaced and aligned. Additionally, the terminals must be able to withstand a high degree of force and remain connected even when the barrel or bullet is removed.

The 62739-1 standard also outlines the testing methods to verify the quality of the connections. This includes conducting electrical tests such as insulation resistance and contact resistance measurements. Additionally, mechanical tests such as pull-out force and durability tests are performed to ensure the connectors can withstand environmental conditions.

The 62739-1 standard also requires the terminals and barrel, bullet connectors to be fabricated from materials that meet the performance requirements set out in the specification. This includes a wide variety of metals, such as copper, nickel, and tin-plated steel, as well as various non-metallic materials such as thermoplastic or rubber.

62739-1 is an important standard that ensures the safety and quality of terminals and barrel, bullet connectors used in a variety of applications. The standard outlines the design requirements of the connectors and the testing procedures to ensure they meet these requirements. By adhering to the 62739-1 standard, manufacturers can ensure their terminals and bullet connectors are safe to use.

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