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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
KTY81/110,116 NXP Semiconductors / Freescale THERMISTOR PTC 1K OHM PBCYT2 KTY81 -55°C ~ 150°C Tape & Reel (TR) Through Hole - - - TO-226-2, TO-92-2 (TO-226AC) (Formed Leads) -
TFPT0603L2200FZ Dale / Vishay THERMISTOR PTC 220 OHM 1% 0603 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - - 0603 (1608 Metric) -
B59060A0220A010 EPCOS THERMISTOR PTC 9 OHM 30% DISC - -40°C ~ 200°C Tray Surface Mount - - - Disc -
TFPT1206L4700FM Dale / Vishay THERMISTOR PTC 470 OHM 1% 1206 TFPT -55°C ~ 125°C Tape & Reel (TR) Surface Mount - - - 1206 (3216 Metric) -
KTY81/120,112 NXP Semiconductors / Freescale THERMISTOR PTC 1K OHM PBCYT2 KTY81 -55°C ~ 150°C Bulk Through Hole - - - TO-226-2, TO-92-2 (TO-226AC) -
B59875C0120A570 EPCOS THERMISTOR PTC 65 OHM 25% RADIAL - -40°C ~ 125°C Bulk Through Hole - - - Disc -
TFPT1206L5601KM Dale / Vishay THERMISTOR PTC 5.6K OHM 10% 1206 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - - 1206 (3216 Metric) -
B59891C0135A070 EPCOS THERMISTOR PTC 150 OHM 25% DISC - -40°C ~ 125°C Bulk Through Hole - - - Disc, 4.0mm Dia x 5.0mm W -
B59008C0070A040 EPCOS THERMISTOR PTC 250 OHM RADIAL - 90°C ~ 160°C Bulk PCB, Through Hole - - - Radial -
B59701A0070A062 EPCOS THERMISTOR PTC 680 OHM 50% 0805 B59701 -40°C ~ 125°C Tape & Reel (TR) Non-Standard, Leadless - - - 0805 (2012 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.