Selection conditions and different parameter properties of circular electrical connectors of Y50EX series

Y50EX series circular electrical connector itself is the electrical parameters of the circular electrical connector selection first to consider, but also includes Y50EX series circular electrical connector parameters and mechanical parameters. Electrical parameters:1. Rated voltage: also known as the operating voltage, mainly depends on the insulation material used in the circular electrical connector and the spacing between the contact pairs. When some components or devices are below their rated voltage, they cannot perform their functions.2. Rated current: also called working current, same as rated voltage. When the rated current is lower than the rated current, the circular electrical connector can work normally. During the design process of circular electrical connectors, the thermal design of circular electrical connectors is used to meet the rated current requirement, because when the current flows through the contact pair, the contact pair will heat up due to conductor resistance and contact resistance. When the heating exceeds the limit, the insulation of the circular electrical connector will be destroyed and the contact will soften the surface coating, leading to failure. Therefore, its current rating actually limits the temperature rise inside the circular electrical connector from exceeding the specified value of the design. So multi-core circular electrical connector to reduce the use of the more cores, the greater the reduction.3. Contact resistance: contact resistance refers to the two contact conductors in the contact area of the resistance generated. Circular electrical connector contact resistance refers to the contact pair resistance, including contact resistance and contact to conductor resistance.4. Shielding: In modern electrical and electronic equipment, components and their related functions of the density is increasing day by day, the electromagnetic interference puts forward strict limits. Parameters:1. Insulation resistance:It is the resistance value presented by applying voltage to the insulating part of the circular electrical connector, so that the leakage current is generated on the charged surface of the insulating part. It is mainly affected by insulation materials, temperature, humidity, dirt and other factors.2. Withstand voltage: refers to the contact to the mutually insulating part or insulating part and the ground in the specified time can withstand the critical voltage, higher than the rated voltage, does not cause breakdown. It is mainly affected by the contact distance and creepage distance geometry, insulator materials, ambient temperature and humidity, and atmospheric pressure.3. Flammability: Circular electrical connectors should not only prevent ignition, and once ignited, should be automatically extinguished within a short period of time. Mechanical parameters:1. Single pin separation force and total separation force: contact pressure is an important indicator in the circular electrical connector, which directly affects the contact resistance and contact vice wear.2. Mechanical life: the life of the circular electrical connector refers to the life of the insertion and extraction, generally 500 ~ 1000 times.3. The number of contact pairs and pinholes: one can select the number of contact pairs according to the requirements of the circuit, and at the same time, we should consider the The size of the connector and the total separation force.4. Resistance to vibration, shock and collision: the main consideration is the electrical continuity of the circular electrical connector contact pairs in the process of vibration, shock and collision under the specified frequency and acceleration conditions.5. Connection: circular electrical connectors are generally made up of plugs and sockets, of which the plugs are also referred to as free-end circular connectors and sockets are also referred to as fixed-end circular electrical connectors. Circuit connection and disconnection is realized through the plug and socket insertion and removal, thus giving rise to a variety of connection methods for plugs and sockets. For circular electrical connectors, the main threaded connection, bayonet connection and marble connection.6. Termination: termination refers to the circular electrical connector contact pairs and wire or cable connection. Choose a reasonable termination method and the correct use of termination technology is also an important aspect of the use and selection of circular electrical connectors.

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