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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
PTCSC17T111DBE Texas Instruments THERMISTOR PTC 5% RECTANGULAR - -20°C ~ 165°C - Clamp On - - - Rectangular -
B59100M1155A070 EPCOS THERMISTOR PTC 100 OHM RADIAL B59100 90°C ~ 160°C Bulk PCB, Through Hole - - - Radial -
TFPT0805L4700FM Dale / Vishay THERMISTOR PTC 470 OHM 1% 0805 TFPT -55°C ~ 125°C Tape & Reel (TR) Surface Mount - - - 0805 (2125 Metric) -
LT7330002A2K0JTE AMP Connectors / TE Connectivity THERMISTOR PTC 2K OHM 5% 0805 Citec -40°C ~ 125°C Tape & Reel (TR) Surface Mount - - - 0805 (2012 Metric) -
KT210 International Rectifier (Infineon Technologies) THERMISTOR PTC 1K OHM 3% TO92 - -50°C ~ 150°C Bulk Through Hole - - - TO-226-2, TO-92-2 (TO-226AC) -
TFPT0805L1801FM Dale / Vishay THERMISTOR PTC 1.8K OHM 1% 0805 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - - 0805 (2012 Metric) -
TFPT1206L1002JM Dale / Vishay THERMISTOR PTC 10K OHM 5% 1206 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - - 1206 (3216 Metric) -
LT7330002A1K0JTE AMP Connectors / TE Connectivity THERMISTOR PTC 1K OHM 5% 0805 Citec -40°C ~ 125°C Tape & Reel (TR) Surface Mount - - - 0805 (2012 Metric) -
P5005C050S500H Agastat Relays / TE Connectivity THERMISTOR PTC 5 OHM COIN - -40°C ~ 150°C Bulk Clamp On - - - Coin -
TFPT1206L1200FM Dale / Vishay THERMISTOR PTC 120 OHM 1% 1206 TFPT -55°C ~ 125°C Tape & Reel (TR) Surface Mount - - - 1206 (3216 Metric) -

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.