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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
B59901D0120A040 EPCOS THERMISTOR PTC 100 OHM RADIAL B59901 90°C ~ 130°C Bulk PCB, Through Hole - - - Radial -
B59100C150A70 EPCOS THERMISTOR PTC 100 OHM RADIAL B59100 90°C ~ 150°C Bulk PCB, Through Hole - - - Radial -
PRF18BG471QB1RB Murata Electronics THERMISTOR PTC 470 OHM 50% 0603 POSISTOR® PRF18/21 -20°C ~ 90°C Cut Tape (CT) Surface Mount - - - 0603 (1608 Metric) -
TFPT0805L3900JV Dale / Vishay THERMISTOR PTC 390 OHM 5% 0805 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - - 0805 (2012 Metric) -
PRF15BG102RB6RC Murata Electronics THERMISTOR PTC 1K OHM 50% 0402 Posistor® -40°C ~ 100°C Original-Reel® Surface Mount - - - 0402 (1005 Metric) -
TFPT0805L2201JV Dale / Vishay THERMISTOR PTC 2.2K OHM 5% 0805 TFPT -55°C ~ 125°C Tape & Reel (TR) Surface Mount - - - 0805 (2125 Metric) -
PTCSSLVT131DBE Electro-Films (EFI) / Vishay THERMISTOR PTC 100 OHM RADIAL PTCSSLVT - - PCB, Through Hole - - - Radial -
PTCCL21H591HBE Electro-Films (EFI) / Vishay THERMISTOR PTC - - - - - - - - -
PTCCL21H421HBE Electro-Films (EFI) / Vishay THERMISTOR PTC - - - - - - - - -
RL2006-100-50-30-PTE Advanced Sensors / Amphenol THERMISTOR PTC 150 OHM 5% TO220 RL2006 - Bulk Through Hole - - - TO-220-2 -

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.