Spring-loaded Pin Probe

Other environmental functions of electrical connectors include sealing, liquid immersion, low air pressure, and so on. In some specifications, the allowable higher temperature rise of the connector under the rated operating current is clearly specified. The premise of the constant humidity test is that the relative humidity is 90%-95% and the temperature is 4020. The test time depends on the product, at least 96 hours. Because when the connector is working, the current generates heat at the contact point, which causes the temperature to rise. It is generally believed that the working temperature should be the sum of the ambient temperature and the temperature rise of the contact point. In the impact test, the peak acceleration, duration, pulse waveform, and electrical continuity interruption time of the impact should be defined.

Spring-loaded Pin Probe

Vibration and shock resistance are important functions of electrical connectors, especially in special application environments such as aerospace, railway, and road transportation, and are important indicators for testing the robustness of the electrical connector's mechanical structure and electrical contact reliability. In order to evaluate the ability of electrical connectors to withstand this environment, a salt spray test is specified. It hangs the pogo pin in a temperature-controlled test box and sprays it with compressed air and a sodium chloride solution of a specified concentration to form a salt spray atmosphere. The exposure time is specified by the product specification, at least 48 hours.

Pin Probe

Spring-loaded Pin Probe

When the pogo pin works in an environment containing moisture and salt, its metal structure and the surface treatment layer of the contact may produce electrochemical corrosion, which may affect the physical and electrical functions of the connector.

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