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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
B59601A0105A062 EPCOS THERMISTOR PTC 470 OHM 50% 0603 B59601 -40°C ~ 125°C Tape & Reel (TR) Surface Mount - - - 0603 (1608 Metric) -
KTY82/210,215 NXP Semiconductors / Freescale THERMISTOR PTC 2K OHM TO236AB KTY82 -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - - TO-236-3, SC-59, SOT-23-3 -
TFPT0805L1001JZ Dale / Vishay THERMISTOR PTC 1K OHM 5% 0805 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - - 0805 (2012 Metric) -
TFPT0603L8200KY Dale / Vishay THERMISTOR PTC 820 OHM 10% 0603 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - - 0603 (1608 Metric) -
B59008C0090A040 EPCOS THERMISTOR PTC 250 OHM RADIAL - 90°C ~ 160°C Bulk PCB, Through Hole - - - Radial -
B59601A0075A062 EPCOS THERMISTOR PTC 470 OHM 50% 0603 B59601 -40°C ~ 125°C Cut Tape (CT) Surface Mount - - - 0603 (1608 Metric) -
TFPT1206L4701KZ Dale / Vishay THERMISTOR PTC 4.7K OHM 10% 1206 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - - 1206 (3216 Metric) -
B59339A1201P020 EPCOS THERMISTOR PTC 200 OHM 25% - -25°C ~ 125°C Bulk Through Hole - - - - -
B59022S1120A51 EPCOS THERMISTOR PTC 10 OHM 15% RADIAL - -20°C ~ 125°C Tape & Reel (TR) Through Hole - - - Radial -
PRF18BG471QS5RB Murata Electronics THERMISTOR PTC 470 OHM 50% 0603 POSISTOR® PRF18/21 -20°C ~ 90°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.