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Temperature Sensors - PTC Thermistors

Temperature Sensors - PTC Thermistors

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  3. Temperature Sensors - PTC Thermistors
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Image Part Number Manufacturer Description Series Operating Temperature Packaging Mounting Type Current Accuracy Termination Package / Case Temperature Coefficient
PTFL04BE471Q2N34B0 Texas Instruments THERMISTOR PTC 100 OHM DISC Posistor® -10°C ~ 40°C Bulk Through Hole - - - Disc, 5.0mm Dia x 4.0mm W -
PTFT0603L0680JW Texas Instruments THERMISTOR PTC 68 OHM 5% 0603 PTFT -55°C ~ 125°C Tape & Reel (TR) Surface Mount - - - 0603 (1608 Metric) -
PTFT0805L2201JW Texas Instruments THERMISTOR PTC 2.2K OHM 5% 0805 PTFT -55°C ~ 125°C Tape & Reel (TR) Surface Mount - - - 0805 (2012 Metric) -
PTFT0805L0100JV Texas Instruments THERMISTOR PTC 10 OHM 5% 0805 PTFT -55°C ~ 125°C Tape & Reel (TR) Surface Mount - - - 0805 (2012 Metric) -
PTFT0805L1002JV Texas Instruments THERMISTOR PTC 10K OHM 5% 0805 PTFT -55°C ~ 125°C Tape & Reel (TR) Surface Mount - - - 0805 (2012 Metric) -
PTCSL20T091DBE Texas Instruments THERMISTOR PTC 100 OHM RADIAL - 25°C ~ 150°C Bulk PCB, Through Hole - - - Radial -
PTCSL03T101DB1E Texas Instruments THERMISTOR PTC RADIAL LEAD DISC - -40°C ~ 165°C Bulk Through Hole - - - Disc, 4.0mm Dia x 3.0mm W -
PTCCL13H231HBE Texas Instruments THERMISTOR PTC - - - - - - - - -
PTCSC17T141DBE Texas Instruments THERMISTOR PTC 5% RECTANGULAR - -20°C ~ 165°C - Clamp On - - - Rectangular -
PTCSL03T121DT1E Texas Instruments THERMISTOR PTC RADIAL LEAD DISC - -40°C ~ 165°C Tape & Reel (TR) Through Hole - - - Disc, 4.0mm Dia x 3.0mm W -

About Temperature Sensors - PTC Thermistors


Positive temperature coefficient (PTC) thermistors are temperature-sensitive resistors whose resistance increases significantly with temperature rise. PTC thermistors are typically made of ceramic materials doped with metal oxides and exhibit a nonlinear resistance-temperature characteristic. They find applications in overcurrent protection, motor starting, temperature sensing, and temperature compensation circuits. PTC thermistors offer self-regulating characteristics, where their resistance increases sharply when the operating temperature exceeds a certain threshold, limiting current flow and providing inherent overcurrent protection. PTC thermistors also find applications in temperature compensation circuits and inrush current limiters, where their resistance changes with temperature variations to control current flow and stabilize operating conditions.