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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
TFPT0805L1201FM Dale / Vishay THERMISTOR PTC 1.2K OHM 1% 0805 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - - 0805 (2012 Metric) -
KTY81/121,112 NXP Semiconductors / Freescale THERMISTOR PTC 990 OHM PBCYT2 KTY81 -55°C ~ 150°C Bulk Through Hole - - - TO-226-2, TO-92-2 (TO-226AC) -
TFPT0603L2200FM Dale / Vishay THERMISTOR PTC 220 OHM 1% 0603 TFPT -55°C ~ 125°C Tape & Reel (TR) Surface Mount - - - 0603 (1608 Metric) -
KTY81/110,112 NXP Semiconductors / Freescale THERMISTOR PTC 1K OHM PBCYT2 KTY81 -55°C ~ 150°C Bulk Through Hole - - - TO-226-2, TO-92-2 (TO-226AC) -
B59095A0080B110 EPCOS THERMISTOR PTC 9.3 OHM 10% DISC - -20°C ~ 125°C Tray Surface Mount - - - Disc -
TFPT1206L1501JM Dale / Vishay THERMISTOR PTC 1.5K OHM 5% 1206 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - - 1206 (3216 Metric) -
B59100C0130A070 EPCOS THERMISTOR PTC 100 OHM RADIAL B59100 90°C ~ 150°C Bulk PCB, Through Hole - - - Radial -
B59801D70A40 EPCOS THERMISTOR PTC 100 OHM RADIAL B59801 90°C ~ 120°C Bulk PCB, Through Hole - - - Radial -
KTY83/110,113 NXP Semiconductors / Freescale THERMISTOR PTC 1K OHM DO34 KTY83 -55°C ~ 175°C Cut Tape (CT) Through Hole - - - DO-204AG, DO-34, Axial -
PTFT1206L0100JW Dale / Vishay THERMISTOR PTC 10 OHM 5% 1206 PTFT -55°C ~ 125°C Tape & Reel (TR) Surface Mount - - - 1206 (3216 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.