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Ametherm

Founded in Carson City, Nevada, Ametherm is a leading U.S. manufacturer of inrush current limiters, NTC thermistors, and temperature sensing solutions designed for precision, reliability, and durability. Since its founding, Ametherm has focused on solving complex current and temperature management challenges through innovative, cost-effective technologies built to last. All products are RoHS and REACH compliant, meeting strict international safety and quality standards.


Ametherm’s thermistor technology is trusted across industries for its rugged design and dependable performance. The company’s SL Series and MS Series inrush current limiters protect sensitive components from power surges and reduce startup currents, while the PANR Series NTC thermistors offer accurate thermal monitoring for control systems. Each component is UL and CSA recognized, ensuring consistent performance under demanding operating conditions.


Engineered for applications in industrial control, automotive electronics, power supplies, and consumer equipment, Ametherm products are built to enhance equipment reliability and energy efficiency. Buyers and engineers can easily source authentic Ametherm thermistors and current limiters through IBS Electronics, a trusted global distributor of electronic components.



Ametherm Right Temperature Sensor


Ametherm Product Highlights


Series / Product LineSpecsBenefitsApplicationsKey Products (MPNs)
MS Series (Surge Limiters, High Power NTC)High-mass NTC, 20–35mm size, high energy ratingHandles large inrush loads, robust constructionMotor drives, UPS, industrial equipmentMS32 0R540, MS22 10008, MS35 0R550, MS325R020, MS32 20008-B, MS32-10015, MS22 5R015, MS3220008B, MS22-10008
STX Series (PTC Thermistors / Resettable Limiters)PTC current limiters, resettable, wide temperature rangeAutomatic reset, protects against overcurrentTransformers, telecom, lightingSTX0093, STX0066, STX0182, STX0183, STX0181
SG Series (Inrush Current Surge Guards)High-power NTC surge absorbersVery high energy absorption, stableHigh-wattage power supplies, weldersSG39, SG220-C007
CL Series (Inrush Current Limiters)Compact NTC, radialBudget-friendly inrush protectionSmall SMPS, chargers, adaptersCL20-7R0120-B
NT Series (Precision Thermistors)NTC thermistors, tight toleranceAccurate sensing, fast responseTemperature sensing, controlNT03 10411
AS Series (High Reliability Thermistors)Custom assembly NTC, ruggedHigh reliability, stableIndustrial, medical, aerospace sensingAS32 1R036-100-775
B-Series (Custom Thermistors / Assemblies)Custom NTC/PTC elementsTailored performanceSpecialty industrial applicationsB92.255MHU.00121


Amtherm Top SL Series


Sub-Series / SizeSpecsBenefitsApplicationsKey Products (MPNs)
SL08Small disk NTC, 2–16Ω, compact footprintSpace-saving, cost-effectiveSmall SMPS, chargers, low-power industrialSL08 22002, SL08 33001, SL08 22101-A, SL08-16002
SL10Medium disk NTC, 2–250ΩHandles higher inrush currents, reliableAC adapters, industrial controllersSL10 2R505, SL10-15002-A-T, SL10 10003, SL10 25002
SL12Medium-large disk NTC, 170–200Ω, high energyHigh reliability, surge suppressionPower supplies, LED drivers, industrial circuitsSL12 20002, SL12 17004, SL12-1R308
SL15Larger disk NTC, 7–400Ω, high surge ratingLimits high inrush, durableTransformers, UPS, SMPSSL15 40004, SL15-40004-BT, SL15-7R008-LAJ, SL15-10006
SL22High-power NTC, 1–200Ω, 22mmHigh energy absorption, robust, wide usageIndustrial drives, high-power SMPS, chargersSL22 7R010-A, SL22 5R012, SL22 10009, SL22-10009, SL22-10008-B, SL22 12103-B, SL22 16004, SL22-20005, SL22-5R012, SL22-1R020, SL22 7R010, SL22 10008-B
SL32Largest disk NTC, 0.5–36Ω, high-powerHandles very high inrush currents, long-lastingHigh-power industrial, motor drives, UPS, large SMPSSL32-2R023, SL32-1R030, SL32-1R036, SL32 5R020-B, SL32-5R020, SL32-0R530-B, SL321R030, SL32 5R020-B, SL32 1R036-100-775




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