TH410J42GBSN-T5

Product Spotlight Digital Temperature Sensors vs. NTC Thermistors NTC Thermistors – NTC stands for Negative Temperature Coefficient, meaning they reduce in impedance as temperature increases resulting in an analog voltage which varies with temperature. Digital Temperature Sensors – Provide a digital output to transfer the temperature data by communicating with a microcontroller or processor. Digital Temperature Sensors NTC Thermistors Features & Benefits Features & Benefits • Digital interface to microcontroller: - Typically 1-2 wire communication interface - Buss can be shared with other sensors • Most are single output format: - Normally unsigned value - Requires processing to accommodate negative portion of range (Offset) - Digital result needs conversion to °F/°C • Most are low power, making them suitable for battery applications • Operating Temperature Range: -55°C to 150°C typically • Flexible form factor allows sensor to be placed where needed • Capable of withstanding harsh environments • Very wide operating temperature range with numerous impedance options: - Some ranges as low as -196°C and up to 300°C - Some as high as 300°C - Custom ranges available • Repeatable and accurate • Easy to process analog signal - A/D conversion with simple voltage divider - Calculation using curve coefficients - Lookup table • Can be applied within control circuit for real-time temperature compensation • Customizable Limitatations • Very localized measurement, limited capability for remote sensing - May require separate board to place at optimum location for sensor • Requires careful placement and PCB layout so accuracy not influenced by other devices nearby or power through PCB • Requires processor to interpret signal • Not recommended for harsh environments - Small plastic housing will not withstand harsh environments Applications • Thermostats • Indoor Air Quality • Internal Temperature Monitor Amphenol Advanced Sensors Market / Applications • Automotive - Transmission Fluid Temperature - HVAC – Evaporator Air Temperature - Electric Vehicle – Battery Temperature • Medical - Esophageal Temperature - Catheters - Thermometers • Electrical - Buss Bar Temperature • Control - Temperature Compensation www.amphenol-sensors.com © 2019 Amphenol Corporation. All Rights Reserved. Specifications are subject to change without notice. Other company names and product names used in this document are the registered trademarks or trademarks of their respective owners. AAS-930-231A 03/2019