Temperature Sensors - PTC Thermistors

Temperature Sensors - PTC Thermistors

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Image Part Number Manufacturer Description Series Operating Temperature Packaging Mounting Type RoHS Status Manufacturer Part Number Package / Case Polarization Supplier Device Package
TFPT0603L3300JM Dale / Vishay THERMISTOR PTC 330 OHM 5% 0603 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - 0603 (1608 Metric) - 0603 (1608 Metric)
B59008C60A40 EPCOS THERMISTOR PTC 250 OHM RADIAL - 90°C ~ 160°C Bulk PCB, Through Hole - - Radial - -
PRF15BE103RB6RC Murata Electronics THERMISTOR PTC 10K OHM 0402 Posistor® -20°C ~ 95°C Tape & Reel (TR) Surface Mount - - 0402 (1005 Metric) - 0402 (1005 Metric)
B59093A0080B110 EPCOS THERMISTOR PTC 4.75 OHM 15% DISC - -20°C ~ 125°C Tray Surface Mount - - Disc - -
B59192A0120B020 EPCOS THERMISTOR PTC 22 OHM 20% DISC - 5°C ~ 80°C Tray Surface Mount - - Disc - -
TFPT0805L6800JV Dale / Vishay THERMISTOR PTC 680 OHM 5% 0805 TFPT -55°C ~ 125°C Tape & Reel (TR) Surface Mount - - 0805 (2125 Metric) - 0805
PTGL07AR211M3B51A0 Murata Electronics THERMISTOR PTC RADIAL DISC POSISTOR®, PTGL -10°C ~ 60°C - Through Hole - - Radial, Disc - -
PTFT0805L4700JW Dale / Vishay THERMISTOR PTC 470 OHM 5% 0805 PTFT -55°C ~ 125°C Tape & Reel (TR) Surface Mount - - 0805 (2012 Metric) - 0805
TFPT0805L1200FM Dale / Vishay THERMISTOR PTC 120 OHM 1% 0805 TFPT -55°C ~ 125°C Tape & Reel (TR) Surface Mount - - 0805 (2125 Metric) - 0805
TFPT0603L6800KY Dale / Vishay THERMISTOR PTC 680 OHM 10% 0603 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - 0603 (1608 Metric) - 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.