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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
TFPT0805L4700FV Dale / Vishay THERMISTOR PTC 470 OHM 1% 0805 TFPT -55°C ~ 125°C Cut Tape (CT) Surface Mount - - - 0805 (2125 Metric) -
5506-20-140-24-PTH Advanced Sensors / Amphenol THERMISTOR PTC 20 OHM 25% COIN - - Bulk Clamp On - - - Coin 14.0mm Dia x 1.5mm W -
2381 670 90003 Electro-Films (EFI) / Vishay THERMISTOR PTC 120 OHM RADIAL 2381 - Tape & Reel (TR) PCB, Through Hole - - - Radial -
TFPT1206L2201FM Dale / Vishay THERMISTOR PTC 2.2K OHM 1% 1206 TFPT -55°C ~ 125°C Tape & Reel (TR) Surface Mount - - - 1206 (3216 Metric) -
B59300M1140A070 EPCOS THERMISTOR PTC 300 OHM RADIAL B59300 90°C ~ 160°C Bulk PCB, Through Hole - - - Radial -
TFPT1206L1200JV Dale / Vishay THERMISTOR PTC 120 OHM 5% 1206 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - - 1206 (3216 Metric) -
PTCCL07H131EBE Texas Instruments THERMISTOR PTC - - - - - - - - -
TFPT0603L1800FM Dale / Vishay THERMISTOR PTC 180 OHM 1% 0603 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - - 0603 (1608 Metric) -
PRF15BA102RB6RC Murata Electronics THERMISTOR PTC 1K OHM 5% 0402 Posistor® -40°C ~ 160°C Tape & Reel (TR) Surface Mount - - - 0402 (1005 Metric) -
B59083G1120A161 EPCOS THERMISTOR PTC 16 OHM 20% SMD - -20°C ~ 125°C Tape & Reel (TR) Surface Mount - - - Surface Mount - Coin Style -

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.