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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
PR421D050S701H Agastat Relays / TE Connectivity THERMISTOR PTC 70 OHM RECT - -40°C ~ 150°C Bulk Clamp On - - - Rectangular -
TFPT1206L6801JM Dale / Vishay THERMISTOR PTC 6.8K OHM 5% 1206 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - - 1206 (3216 Metric) -
B59801D90A40 EPCOS THERMISTOR PTC 100 OHM RADIAL B59801 90°C ~ 120°C Bulk PCB, Through Hole - - - Radial -
YGM1 C545 Cantherm THERMISTOR PTC 250 OHM 10% RAD YGM -20°C ~ 60°C Bulk PCB, Through Hole - - - Radial -
TFPTL10L1001FL2B Dale / Vishay THERMISTOR PTC 1K OHM 1% RADIAL - -55°C ~ 70°C Bulk Through Hole - - - Radial -
RL2006-100-100-30-PTE Advanced Sensors / Amphenol THERMISTOR PTC 150 OHM 5% TO220 RL2006 - Bulk Through Hole - - - TO-220-2 -
PR421D135S701H Agastat Relays / TE Connectivity THERMISTOR PTC 70 OHM RECT - -40°C ~ 150°C Bulk Clamp On - - - Rectangular -
B59801D155A40 EPCOS THERMISTOR PTC 100 OHM RADIAL B59801 90°C ~ 120°C Bulk PCB, Through Hole - - - Radial -
TFPT0603L1001JM Dale / Vishay THERMISTOR PTC 1K OHM 5% 0603 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - - 0603 (1608 Metric) -
B59008C0110A040 EPCOS THERMISTOR PTC 250 OHM RADIAL - 90°C ~ 160°C Bulk PCB, Through Hole - - - 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.