Pogo pin composition structure and advantages

　　Needle Plunger brass gold-plated, needle tube Tube brass gold-plated, spring Spring stainless steel test needle, a probe for testing PCBA. The surface is gold-plated, and there are high-performance springs with an average life span of 30,000 to 100,000 times inside. The famous foreign manufacturers are: QA, IDI, UC, Semiprobe, ECT, INGUN,

　　Material of pogo pin manufacturer's probe: W, ReW, CU, A+

　　1. The main materials used are W, ReW, with general elasticity, easy to shift, stick to gold chips, need multiple cleanings, long wear and tear, and average life.

　　2. The clean-free needle made of A+ material has good elasticity, is not easy to shift during the test, and does not stick to gold chips, so it is free of cleaning, so it has a longer life.

　　Electrical properties: The main electrical properties of connectors include contact resistance, insulation resistance and electric strength.

　　1. Contact resistance High-quality electrical connectors should have low and stable contact resistance. The contact resistance of connectors varies from a few milliohms to tens of milliohms.

　　2. Insulation resistance It is an index to measure the insulation performance between the contacts of the electrical connector and between the contacts and the shell, and its order of magnitude ranges from hundreds of megohms to several gigaohms.

　　3. Dielectric strength, or withstand voltage, dielectric withstand voltage, is to characterize the ability of the connector to withstand the rated test voltage between the contacts or between the contacts and the shell.

　　4. Other electrical properties.

　　The electromagnetic interference leakage attenuation is to evaluate the electromagnetic interference shielding effect of the connector, and the electromagnetic interference leakage attenuation is to evaluate the electromagnetic interference shielding effect of the connector, which is generally tested in the frequency range of 100MHz~10GHz.

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