SMD Resistors Handle High Surges In Industrial & Medical Contexts

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TT Electronics has rolled out high energy surge resistors for design engineers dealing with surge events. The resistors claim to provide enhanced ability to absorb high energy surges, making them ideal for power supplies, circuit breakers, motor drives and medical monitor input protection.

Available in four sizes from 0805 to 2512, HPWC resistors withstand up to 6.5kV peak for a 1.2/50μs surge and up to 3kW for a 0.1ms pulse.

The series is claimed to offer a higher surge performance than key competing parts from other companies.

Resistance values available are from 1R0 to 100K, and there are four sizes from 0805 to 2512, with ratings from 0.25 to 2W.

“The new HPWC (high pulse withstanding chip) range is designed to maximise the level of surge performance available in a single-sided flat chip design. They offer protection and discharge applications in compact power supplies and power control circuits where a resistance tolerance of five percent is required”, according to TT Electronics.

“The resistors’ compact PCB footprint minimises the use of valuable PCB area, whilst the absence of laser trimming means no current crowding and a consequential avoidance of hot spots, improving product reliability”, the firm further stated.

Click here for further details.

 

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