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Electrical properties of automotive ceramic connectors

Time: 2019-07-06   Writer: mingrui
Electrical properties of automotive ceramic connectors

The main electrical properties of automotive ceramic connectors include contact resistance, insulation resistance and electrical resistance.

(1) contact resistance high quality electric car connector should have a low and stable contact resistance.The contact resistance of automotive ceramic connectors ranges from a few milliohms to tens of milliohms.

(2)The insulation resistance measures the insulation performance between the contact parts of ceramic connector and the contact parts and the shell of the electric automobile, the order of magnitude is hundreds of megabytes to thousands of megabytes.

(3) electrical strength or voltage resistance, dielectric voltage resistance, is to characterize the automotive ceramic connector contact parts or contact parts and shell between the ability to withstand the rated test voltage.

(4) other electrical performance.

Electromagnetic interference leakage attenuation is to evaluate the electromagnetic interference shielding effect of automobile ceramic connector. Electromagnetic interference leakage attenuation is to evaluate the electromagnetic interference shielding effect of automobile connector. It is generally tested within the frequency range of 100MHz~10GHz.

For rf coaxial automobile ceramic connector, there are also characteristic impedance, insertion loss, reflection coefficient, voltage standing-wave ratio and other electrical indicators.Due to the development of digital technology, in order to connect and transmit high-speed digital pulse signals, a new type of automobile connector, namely high-speed signal automobile connector, has appeared.

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