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Ametherm’s new Circuit Protection Thermistor Features Industry-Best Ratings for Resistance, Current, and Energy

By Neha Rastogi

Ametherm has announced the release of its all new UL-approved circuit protection thermistor viz. “SL32 0R230” that has received the industry-best ratings for hot resistance, current handling, and energy. It helps to conserve power, save space and, and incurs a low cost for a wide range of applications. 
 
Interestingly, this is the only UL-approved circuit protection Thermistor available in the market featuring a maximum continuous current rating of 30 A along with “hot” resistance on the order of just 6mΩ. This, in turn, minimizes the voltage drop to a range of 0.18-0.30 V, ultimately maximizing battery life and conserving power when used in inventers and motor drives. 
 
Moving on to the energy rating, the UL-approved 100 J implies that the SL32 0R230 is highly suitable for DC applications, whereby a lower level of inrush current is present with a relatively long duration. 
 
Ametherm’s new Circuit Protection Thermistor Features Industry-Best Ratings for Resistance, Current, and Energy
 
The maximum capacitance of the device is 6,946 μF at 120 VAC and 1,736 μF at 240 VAC while the dissipation constant is 45.4 mW/°C. Dimensionally, it’s 31mm in diameter and stands 6mm in height. 
 
As of now, the designers are required to run two 50 mΩ thermistors in parallel so as to attain a comparable level of power efficiency, however, the SL32 0R230 carries 20 mΩ resistance at 50% of maximum current. This implies that the designers will be able to reduce the component count while restricting the excess circuit board heat owing to the device’s low resistance and low I2R power consumption. 
 
Availability
 
The SL32 0R230 can be availed directly or through distributors like Digi-Key and Mouser. The samples and production quantities of the devices have been made available with factory lead times of 6 weeks. 
 
Ametherm
 
Ametherm, headquartered in Carson City, Nevada, was founded in 1994 and specializes in thermistors for temperature sensing and inrush current limiting in industrial, automotive, AMS (avionics, military, and space) and many other markets. Ametherm’s devices are some of the highest rated in the industry and are available in customized versions to meet the needs of specific applications.

Filed Under: News
Tagged With: Ametherm, Electronic Product
 

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