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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
PTFM04BE222Q2N34B9 Texas Instruments THERMISTOR PTC 330 OHM BEAD Posistor® -10°C ~ 60°C - Through Hole - - - Bead with Terminal -
PTCLL05P251TTE Texas Instruments THERMISTOR PTC 125 OHM RADIAL PTCLL -20°C ~ 105°C Tape & Reel (TR) Through Hole - - - Disc, 5.4mm Dia x 4.5mm W -
PTFT0603L1501JW Texas Instruments THERMISTOR PTC 1.5K OHM 5% 0603 PTFT -55°C ~ 125°C Tape & Reel (TR) Surface Mount - - - 0603 (1608 Metric) -
PTFM04BF222Q2N34BS Texas Instruments THERMISTOR PTC 330 OHM 30% TO51 Posistor® -10°C ~ 40°C Bulk Through Hole - - - TO-51-2 Variant -
PTCSL40T081DBE Texas Instruments THERMISTOR PTC 100 OHM RADIAL - - - PCB, Through Hole - - - Radial -
PTFT0805L1000JW Texas Instruments THERMISTOR PTC 100 OHM 5% 0805 PTFT -55°C ~ 125°C Tape & Reel (TR) Surface Mount - - - 0805 (2012 Metric) -
PTCCL05H650FBE Texas Instruments THERMISTOR PTC 115 OHM 20% RAD PTCCL - 145 V 0°C ~ 70°C - Through Hole - - - Disc, 5.0mm Dia x 5.0mm W -
PTFT1206L1000JW Texas Instruments THERMISTOR PTC 100 OHM 5% 1206 PTFT -55°C ~ 125°C Tape & Reel (TR) Surface Mount - - - 1206 (3216 Metric) -
PTFT1206L1500JW Texas Instruments THERMISTOR PTC 150 OHM 5% 1206 PTFT -55°C ~ 125°C Tape & Reel (TR) Surface Mount - - - 1206 (3216 Metric) -
PTFT0603L0100JW Texas Instruments THERMISTOR PTC 10 OHM 5% 0603 PTFT -55°C ~ 125°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.