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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
B59752C0120A070 EPCOS THERMISTOR PTC 80 OHM 25% DISC Automotive, AEC-Q200 -40°C ~ 125°C Bulk Through Hole - - - Disc, 11.5mm Dia x 6.0mm W -
P5010D050S401H Agastat Relays / TE Connectivity THERMISTOR PTC 40 OHM COIN - -40°C ~ 150°C Bulk Clamp On - - - Coin -
B59100C70A70 EPCOS THERMISTOR PTC 100 OHM RADIAL B59100 90°C ~ 150°C Bulk PCB, Through Hole - - - Radial -
TFPT1206L3301FM Dale / Vishay THERMISTOR PTC 3.3K OHM 1% 1206 TFPT -55°C ~ 125°C Tape & Reel (TR) Surface Mount - - - 1206 (3216 Metric) -
YQR100R070 Advanced Sensors / Amphenol THERMISTOR PTC 70 OHM 25% BEAD YQ 0°C ~ 60°C Bulk Through Hole - - - Bead with Terminal -
B59050D1100B040 EPCOS THERMISTOR PTC 60 OHM 30% CYLIND - -55°C ~ 100°C Bulk Free Hanging - - - Cylinder, Metal -
TFPT0603L8200KV Dale / Vishay THERMISTOR PTC 820 OHM 10% 0603 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - - 0603 (1608 Metric) -
KTY81/122,112 NXP Semiconductors / Freescale THERMISTOR PTC 1.01K OHM PBCYT2 KTY81 -55°C ~ 150°C Bulk Through Hole - - - TO-226-2, TO-92-2 (TO-226AC) -
TFPT0805L3901JV Dale / Vishay THERMISTOR PTC 3.9K OHM 5% 0805 TFPT -55°C ~ 125°C Tape & Reel (TR) Surface Mount - - - 0805 (2125 Metric) -
KT130 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 -

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.