Tungsten Contacts

Tungsten contacts are used in high voltage applications, usually where highly repetitive switching is required. Tungsten has a melting temperature of 3,380℃ which gives it excellent arc-erosion resistance.

Tungsten contacts may develop troublesome oxide films, especially when used as the anode contact in some DC applications. Therefore, tungsten contacts are often used as the cathode contact, and a palladium alloy used as the anode contact. Such a combination also minimizes contact interface resistance and material transfer.


Tungsten Manufacturer & Supplier: Chinatungsten Online - http://www.chinatungsten.com
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