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Temperature Sensors - PTC Thermistors

Temperature Sensors - PTC Thermistors

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  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
B59407A0115A062 EPCOS THERMISTOR PTC 470 OHM 25% 0402 Automotive, AEC-Q200, B59407 -40°C ~ 125°C Tape & Reel (TR) Surface Mount - - - 0402 (1005 Metric) -
TFPT0805L3301FZ Dale / Vishay THERMISTOR PTC 3.3K OHM 1% 0805 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - - 0805 (2012 Metric) -
PRF18BF471RB5RB Murata Electronics THERMISTOR PTC 470 OHM 50% 0603 POSISTOR® PRF18/21 -20°C ~ 100°C Tape & Reel (TR) Surface Mount - - - 0603 (1608 Metric) -
B59100C0090A070 EPCOS THERMISTOR PTC 100 OHM RADIAL B59100 90°C ~ 150°C Bulk PCB, Through Hole - - - Radial -
TFPT0805L1200FY Dale / Vishay THERMISTOR PTC 120 OHM 1% 0805 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - - 0805 (2012 Metric) -
TFPT0805L2200JM Dale / Vishay THERMISTOR PTC 220 OHM 5% 0805 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - - 0805 (2012 Metric) -
KT110 International Rectifier (Infineon Technologies) THERMISTOR PTC 1K OHM 3% TO92 - -50°C ~ 150°C Bulk Through Hole - - - TO-226-2, TO-92-2 (TO-226AC) -
B59100C60A70 EPCOS THERMISTOR PTC 100 OHM RADIAL B59100 90°C ~ 150°C Bulk PCB, Through Hole - - - Radial -
B59300M1160A070 EPCOS THERMISTOR PTC 300 OHM RADIAL B59300 90°C ~ 160°C Bulk PCB, Through Hole - - - Radial -
STS110003L360500G918 Cantherm THERMISTOR PTC 1K OHM 3% RADIAL STS1 -40°C ~ 170°C Bulk Free Hanging - - - Radial -

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.