61855-1 Connectors, Interconnects

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Terminals - Spade Connectors

Spade connectors, also known as fork terminals, are commonly used for insulated terminals, such as electrical contacts, and can provide a secure connection even when exposed to harsh environmental conditions. They are generally made of copper and are used to terminate stranded wires. The design of the spade connector is relatively simple, with a flat blade spade and a ring that is crimped or soldered onto the cables. The 61855-1 is a military specification standard for electrical spade connectors. It is an interchangeable style, meaning that any two connectors meeting the 61855-1 specification should be interchangeable in the field. The spade connectors meeting this specification have an EZ code and must meet the standards set out by the National Electrical Manufacturers Association (NEMA) in order to be compliant with the specification. The main purpose of the 61855-1 standard is to ensure that spade connectors with a given code will be compatible with each other, regardless of the manufacturer. This ensures that two connectors of the same type and code will fit together and provide an electrical connection. The 61855-1 standard also includes specific requirements for the connectors\' design, such as the contact geometry, insertion and withdrawal force, and vibration resistance. In terms of applications, spade connectors meeting the 61855-1 standard are commonly used in aerospace, military and industrial applications. In these industries, the high strength and vibration resistance of the spade connectors allow them to be used in harsh environments, including those that use extreme temperatures, vibrations, dust, and humidity.The working principle behind the spade connectors is relatively simple. By crimping a ring onto the wires, it creates an electrical connection that can carry a large amount of current and voltage. Furthermore, the ring provides a secure connection that is resistant to vibration and shock, making it suitable for use in harsh environments. Another important advantage of spade connectors is that they can be quickly and securely installed and removed. By using the crimped rings, the connectors can be easily connected and disconnected from the wires, allowing them to be used multiple times. In addition, since the spade connectors are insulated, they can be used in applications that require a high level of safety without risk of electrical shock.Overall, spade connectors meeting the 61855-1 standard are designed specifically for use in harsh environments and provide a secure connection that is resistant to vibrations and shocks. They are typically used in a wide variety of applications, including aerospace, military, and industrial, and are often used as interchangeable connectors. The working principle behind the spade connectors involves crimping a ring onto the wires, creating an electrical connection that can withstand high temperatures, vibration, dust and humidity.

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