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ProTek Devices Intros Overcurrent Protection PPTC Thermistors

2013-09-30 06:00:00| Industrial Newsroom - All News for Today

TEMPE, Ariz., -- ProTek Devices has added to its family of overcurrent protection devices with new surface-mountable poly-switch temperature coefficient thermistor (PPTC) devices that include the company's first resettable PPTC thermistors.<br /> <br /> They include the PMPS150-1812; PMPS150E-1206; PMPS200-1812; PMPS200D-1210; PMPS260C-1812; and PMPS380E-1206. Two series are also being introduced: the PLRO1206 and the PLRO1210, which are resettable SMD PPTCs. All parts are designed for ...This story is related to the following:Positive Temperature Coefficient (PTC) Thermistors

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Ametherm Receives UL Recognition for MegaSurge Series Inrush Current Limiting NTC Thermistors

2013-08-15 06:00:00| Industrial Newsroom - All News for Today

Devices Are Industry's First Certified to UL 1434 for Single- and Three-Phase Input Voltages to 480 VAC<br /> <br /> CARSON CITY, Nev. -- Ametherm today announced that its MegaSurge series of inrush current limiting NTC thermistors has received Underwriters Laboratories (UL) certification. In addition to recognition per UL file number E209153, the devices are the industry's only inrush current limiters certified to UL 1434 for single- and three-phase input voltages up to 480 VAC.<br /> <br ...This story is related to the following:Negative Temperature Coefficient (NTC) Thermistors |

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NTC Thermistors withstand steady-state currents from 6-50 A.

2013-07-30 14:30:07| Industrial Newsroom - All News for Today

Able to withstand 250&ndash;800 J of input energy, AS Series limits inrush currents for protection of pre-charge circuits in Li-ion batteries, variable-frequency drives, switch mode power supplies, and audio amplifiers. Uniform temperature gradient throughout disc combined with ability to withstand 400 A per in.² eliminates hot spots from fatigue. Ranging 30&ndash;36 mm dia,  AS Series features Hot R from 0.0074&ndash;0.380 &Omega;, resistance of .50&ndash;50 &Omega; at 25°C, and max capacitance of 500&ndash;1,730 µF at 680 Vac. This story is related to the following:Current Limiting Thermistors |

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Self-Calibrate Your Thermistors for Higher Accuracy

2013-06-10 06:00:00| Industrial Newsroom - All News for Today

Use the Steinhart-Hart Equation for High-Precision Readings<br /> <br /> CHESTERLAND OH &mdash; Technicians and engineers often use thermistors to log temperature in applications which require increased accuracy for more demanding projects. To accomplish this, they use the Steinhart&ndash;Hart equation to convert a thermistor sensor's resistance to temperature. When compared against other methods, Steinhart-Hart models will give you much more precise readings across the sensors' temperature ...This story is related to the following:Sensors, Monitors and TransducersHVACSearch for suppliers of: Temperature Measurement & Control Thermistors |

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Surge-Gard InRush Current Limiting NTC Thermistors From API Technologies Reduce Circuit Failures

2013-03-19 08:22:53| rfglobalnet News Articles

API Technologies Corp. (“API” or the “Company”), a trusted provider of RF/microwave, microelectronics, and security solutions for critical and high-reliability applications, announced recently their latest development in NTC thermistors, Surge-Gard™ inrush current limiting devices.

Tags: current reduce technologies circuit

 

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