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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
B59100M1070A070 EPCOS THERMISTOR PTC 100 OHM RADIAL B59100 90°C ~ 160°C Bulk PCB, Through Hole - - - Radial -
TFPT1206L1501FZ Dale / Vishay THERMISTOR PTC 1.5K OHM 1% 1206 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - - 1206 (3216 Metric) -
TFPT0805L1500FV Dale / Vishay THERMISTOR PTC 150 OHM 1% 0805 TFPT -55°C ~ 125°C Tape & Reel (TR) Surface Mount - - - 0805 (2125 Metric) -
B59100C0140A070 EPCOS THERMISTOR PTC 100 OHM RADIAL B59100 90°C ~ 150°C Bulk PCB, Through Hole - - - Radial -
B59721A0080A062 EPCOS THERMISTOR PTC 680 OHM 50% 0805 Automotive, AEC-Q200, B59721 -40°C ~ 125°C Tape & Reel (TR) Surface Mount - - - 0805 (2012 Metric) -
TFPT0805L1000JZ Dale / Vishay THERMISTOR PTC 100 OHM 5% 0805 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - - 0805 (2012 Metric) -
B59300M1145A70 EPCOS THERMISTOR PTC 300 OHM RADIAL B59300 90°C ~ 160°C Bulk PCB, Through Hole - - - Radial -
TFPT0603L6800FV Dale / Vishay THERMISTOR PTC 680 OHM 1% 0603 TFPT -55°C ~ 125°C Tape & Reel (TR) Surface Mount - - - 0603 (1608 Metric) -
KTY81/220,116 NXP Semiconductors / Freescale THERMISTOR PTC 2K OHM PBCYT2 KTY81 -55°C ~ 150°C Tape & Reel (TR) Through Hole - - - TO-226-2, TO-92-2 (TO-226AC) (Formed Leads) -
PRF18BB471QS5RB Murata Electronics THERMISTOR PTC 470 OHM 50% 0603 POSISTOR® PRF18/21 -20°C ~ 140°C Tape & Reel (TR) Surface Mount - - - 0603 (1608 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.