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
TFPT0603L1001DM Dale / Vishay THERMISTOR PTC 1K OHM 0.5% 0603 Automotive, AEC-Q200, TFPT -55°C ~ 150°C - Surface Mount - - 0603 (1608 Metric) - 0603
TFPT0603L3300FZ Dale / Vishay THERMISTOR PTC 330 OHM 1% 0603 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - 0603 (1608 Metric) - 0603 (1608 Metric)
PTCSL20T071DBE Electro-Films (EFI) / Vishay THERMISTOR PTC 100 OHM RADIAL - 25°C ~ 150°C Bulk PCB, Through Hole - - Radial - -
TFPT0805L1001JZ Dale / Vishay THERMISTOR PTC 1K OHM 5% 0805 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - 0805 (2012 Metric) - 0805 (2012 Metric)
TFPT0603L8200KY Dale / Vishay THERMISTOR PTC 820 OHM 10% 0603 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - 0603 (1608 Metric) - 0603 (1608 Metric)
B59008C0090A040 EPCOS THERMISTOR PTC 250 OHM RADIAL - 90°C ~ 160°C Bulk PCB, Through Hole - - Radial - -
PTCSGM3T131DBE Electro-Films (EFI) / Vishay THERMISTOR PTC 5% RADIAL - -20°C ~ 165°C - PCB, Through Hole - - Radial - -
TFPT0805L1000KV Dale / Vishay THERMISTOR PTC 100 OHM 10% 0805 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - 0805 (2012 Metric) - 0805 (2012 Metric)
B59601A0075A062 EPCOS THERMISTOR PTC 470 OHM 50% 0603 B59601 -40°C ~ 125°C Cut Tape (CT) Surface Mount - - 0603 (1608 Metric) - 0603 (1608 Metric)
TFPT1206L4701KZ Dale / Vishay THERMISTOR PTC 4.7K OHM 10% 1206 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - 1206 (3216 Metric) - 1206 (3216 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.