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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
B59601A0135A062 EPCOS THERMISTOR PTC 470 OHM 50% 0603 B59601 -40°C ~ 125°C Tape & Reel (TR) Surface Mount - - - 0603 (1608 Metric) -
202PS1J U.S. Sensor THERMISTOR PTC 2K OHM 5% DO35 PTC -50°C ~ 150°C Bulk Through Hole - - - DO-204AH, DO-35, Axial -
TFPT1206L1002FZ Dale / Vishay THERMISTOR PTC 10K OHM 1% 1206 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - - 1206 (3216 Metric) -
PTFT0805L0100JW Dale / Vishay THERMISTOR PTC 10 OHM 5% 0805 PTFT -55°C ~ 125°C Tape & Reel (TR) Surface Mount - - - 0805 (2012 Metric) -
RL2006-100-50-30-PTD Advanced Sensors / Amphenol THERMISTOR PTC 150 OHM 5% TO220 RL2006 - Bulk Through Hole - - - TO-220-2 -
PRF18BB471QB5RB Murata Electronics THERMISTOR PTC 470 OHM 50% 0603 POSISTOR® PRF18/21 -20°C ~ 140°C Cut Tape (CT) Surface Mount - - - 0603 (1608 Metric) -
TFPT0603L3300JM Dale / Vishay THERMISTOR PTC 330 OHM 5% 0603 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - - 0603 (1608 Metric) -
TFPT0603L6800KY Dale / Vishay THERMISTOR PTC 680 OHM 10% 0603 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - - 0603 (1608 Metric) -
B59881C0135A070 EPCOS THERMISTOR PTC 70 OHM 25% DISC - -40°C ~ 125°C Bulk Through Hole - - - Disc, 6.5mm Dia x 5.0mm W -
KTY82/121,235 NXP Semiconductors / Freescale THERMISTOR PTC 990 OHM TO236AB KTY82 -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - - TO-236-3, SC-59, SOT-23-3 -

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.