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Ametherm's SURGE-GARD Inrush Current Limiters Certified to UL 1434 for Single- and Three-Phase Input Voltages to 480 VAC

August 12, 2014



Manufactured in Ametherm's Carson City, Nevada, facility, SURGE-GARD series devices are capable of handling high steady-state currents to 36 A and input energy to 250 J. Available with more than 40 options in multiple leaded package styles, the components offer resistance at +25 C (R25) from 0.4 to 220 ohms with tolerances down to 10%, maximum operating voltage to 265 VRMS, and beta from 3000 K to 3965 K.


Constructed of specially formulated metal oxide ceramic materials, RoHS-2- and REACH-compliant SURGE-GARD thermistors are optimized for a wide variety of applications that require inrush current limiting to reduce noise and circuit failure -- including power supplies, motor drives, HVAC motors, motor drives, transformers, and amplifiers. In these applications, the devices lower costs and increase reliability by eliminating the need to use resistors, timers, and relays.


The devices are available direct or through distributors such as Sager, Mouser, IBS Electronics, and Digi-Key, with factory lead times of five weeks. Volume pricing for U.S. delivery starts at $0.30 per piece.



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Source: Global Data Point


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