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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
YQS5930PTO Advanced Sensors / Amphenol THERMISTOR PTC 3K OHM 30% RADIAL PTO 10°C ~ 55°C Bulk Through Hole - - - Radial, Disc -
B59076B1120B151 EPCOS THERMISTOR PTC 10 OHM 20% DISC - -20°C ~ 125°C Tape & Reel (TR) Through Hole - - - Disc -
B59604A90A62 EPCOS THERMISTOR PTC 470 OHM 50% 0603 - -40°C ~ 125°C Tape & Reel (TR) Surface Mount - - - 0603 (1608 Metric) -
YGM1 C508 Cantherm THERMISTOR PTC 250 OHM 10% RAD YGM -20°C ~ 60°C Bulk PCB, Through Hole - - - Radial -
TFPT0805L4701JZ Dale / Vishay THERMISTOR PTC 4.7K OHM 5% 0805 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - - 0805 (2012 Metric) -
KTY236 International Rectifier (Infineon Technologies) THERMISTOR PTC 1K OHM 3% SOT23-3 - -50°C ~ 150°C Tape & Reel (TR) Surface Mount - - - TO-236-3, SC-59, SOT-23-3 -
TFPT0805L1501FZ Dale / Vishay THERMISTOR PTC 1.5K OHM 1% 0805 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - - 0805 (2012 Metric) -
TFPT0603L1000DV Dale / Vishay THERMISTOR PTC 100 OHM 0.5% 0603 Automotive, AEC-Q200, TFPT -55°C ~ 150°C - Surface Mount - - - 0603 (1608 Metric) -
TFPT0603L1001FY Dale / Vishay THERMISTOR PTC 1K OHM 1% 0603 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - - 0603 (1608 Metric) -
KTY82/122,215 NXP Semiconductors / Freescale THERMISTOR PTC 1.1K OHM TO236AB KTY82 -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - - TO-236-3, SC-59, SOT-23-3 -

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.