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Temperature Sensors - PTC Thermistors

Temperature Sensors - PTC Thermistors

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  2. Sensors, Transducers
  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
B59721A0130A062 EPCOS THERMISTOR PTC 680 OHM 50% 0805 Automotive, AEC-Q200, B59721 -40°C ~ 125°C Tape & Reel (TR) Surface Mount - - - 0805 (2012 Metric) -
TFPT0603L1000FV Dale / Vishay THERMISTOR PTC 100 OHM 1% 0603 TFPT -55°C ~ 125°C Tape & Reel (TR) Surface Mount - - - 0603 (1608 Metric) -
TFPT0805L8200FY Dale / Vishay THERMISTOR PTC 820 OHM 1% 0805 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - - 0805 (2012 Metric) -
TFPT1206L1501JZ Dale / Vishay THERMISTOR PTC 1.5K OHM 5% 1206 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - - 1206 (3216 Metric) -
LT300016T261K0J AMP Connectors / TE Connectivity THERMISTOR PTC 1K OHM 5% AXIAL Citec -40°C ~ 125°C Bulk Through Hole - - - Axial -
B59118C1120A51 EPCOS THERMISTOR PTC 25% DISC - -25°C ~ 125°C Tape & Reel (TR) Through Hole - - - Disc -
KTY82/250,215 NXP Semiconductors / Freescale THERMISTOR PTC 2K OHM TO236AB KTY82 -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - - TO-236-3, SC-59, SOT-23-3 -
B59840C0160A070 EPCOS THERMISTOR PTC 6 OHM 25% DISC - -40°C ~ 125°C Bulk Through Hole - - - Disc -
PRF15BD102RB6RC Murata Electronics THERMISTOR PTC 1K OHM 50% 0402 Posistor® -40°C ~ 120°C Cut Tape (CT) Surface Mount - - - 0402 (1005 Metric) -
TFPT1206L2701DV Dale / Vishay THERMISTOR PTC 2.7KOHM 0.5% 1206 Automotive, AEC-Q200, TFPT -55°C ~ 150°C - 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.