TT Electronics has introduced the HPWC (High Pulse Withstand Chip) series of high-energy surge resistors, designed to deliver exceptional performance in compact, single-sided flat chip configurations. These resistors are ideal for applications requiring robust surge protection and discharge capabilities in power and power control circuits with a 5% tolerance. The HPWC family is particularly well-suited for use in environments where space is limited but reliability and durability are critical.
Available in four standard sizes—0805, 1206, 2012, and 2512—the HPWC resistors can withstand surges up to 6.5kV for a 1.2/50μs waveform and pulses of up to 3kW for 0.1ms. Unlike traditional pulse-loaded resistors, the HPWC series uses a precise manufacturing process instead of laser trimming to control resistance values. This method enhances surge performance while ensuring consistent quality and reliability.
The resistance range spans from 1Ω to 100kΩ, with power ratings from 0.25W to 2W, making them suitable for a wide array of applications. These high-energy resistors are especially effective in absorbing large surges, making them a top choice for input protection in power supplies, circuit breakers, motor drives, and medical monitoring equipment.
Target customers include engineers working on compact SMD circuits for power conversion, motion control, and protection systems in industrial and medical sectors. As demand grows for more efficient and smaller electronic components, the HPWC series meets the need for reliable surge protection that complies with EMC standards and improves overall product longevity.
One of the key advantages of HPWC resistors is their minimal footprint on the PCB, which helps save valuable board space. Additionally, since no laser trimming is used, there's no risk of current crowding or hot spots, further enhancing reliability. This makes the HPWC series an excellent choice for designers looking to meet modern design challenges without compromising on performance.
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