contact resistance


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contact resistance

[′kän‚takt ri′zis·təns]
(electricity)
The resistance in ohms between the contacts of a relay, switch, or other device when the contacts are touching each other.
References in periodicals archive ?
Both meters are suited for measuring contact resistance of relays, switches, and PCB traces with greater accuracy and resolution than typical multimeters.
Tenders are invited for Portable Battery As Well As Mains Operated Digital Contact Resistance Meter With 100A Dc Injection Facility To Measure And Display The Stastic Contact Resistance Of The Circuit Breaker,Isolators,And Bus-Bar Joints ,Earth Swithes Etc Directly In Micro-Ohmon 3 Halfdigitlcd Under Live Switchyard Condition.
A supplier's manufacturing error omitted required welds from electrical contact pins within the unit, potentially leading to a gradual increase in contact resistance over time.
The contact resistance is typically 20 milliohms per pin.
As devices become smaller, increased contact resistance for carbon nanotubes has hindered performance gains until now.
Contact resistance has a negative impact on current carrying capability and leads to higher socket operating temperatures.
The ePower 200 connector features integrated EMI shielding and Amphenol's patented Radsok technology that attains high current ratings and low contact resistance.
The FP Series switches feature a contact resistance of 10mA @ 2VDC, with an initial contact resistance of 80mΩ maximum.
When compared with conventional plain aluminum foils, the product, sold under the trade name of SDXTM, can reduce contact resistance by approximately 50%.
The RM8 eight decade resistance box has double pole switching to minimise the effects of contact resistance.
The procedures measure electrolyte resistance, carbon monoxide distribution, current density, contact resistance between the gas diffusion layer and flow-field plates, and reactant flow in the channels of the flow-field plates.
The IV and breakdown current characteristics have shown the importance of achieving very low initial contact resistance after assembly, to enable longer life under thermal and temperature-humidity aging conditions.