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
TFPT0805L4701FM Dale / Vishay THERMISTOR PTC 4.7K OHM 1% 0805 TFPT -55°C ~ 125°C Tape & Reel (TR) Surface Mount - - 0805 (2125 Metric) - 0805
B59100M1060A070 EPCOS THERMISTOR PTC 100 OHM RADIAL B59100 90°C ~ 160°C Bulk PCB, Through Hole - - Radial - -
PTFT0603L0100JW Dale / Vishay THERMISTOR PTC 10 OHM 5% 0603 PTFT -55°C ~ 125°C Tape & Reel (TR) Surface Mount - - 0603 (1608 Metric) - 0603
TFPT0603L1000FM Dale / Vishay THERMISTOR PTC 100 OHM 1% 0603 TFPT -55°C ~ 125°C Tape & Reel (TR) Surface Mount - - 0603 (1608 Metric) - 0603
B59249R0155B010 EPCOS THERMISTOR PTC 3K OHM 35% RECT B59249R -40°C ~ 200°C Box Surface Mount - - Rectangular Disc - Rectangular Disc
STS110003CHIP Cantherm THERMISTOR PTC 1K OHM 3% AXIAL STS1 -40°C ~ 170°C Bulk Through Hole - - Axial - -
TFPT1206L2700JV Dale / Vishay THERMISTOR PTC 270 OHM 5% 1206 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - 1206 (3216 Metric) - 1206 (3216 Metric)
P5005C135S500H Agastat Relays / TE Connectivity THERMISTOR PTC 5 OHM COIN - -40°C ~ 150°C Bulk Clamp On - - Coin - -
PTFL04BC222Q2N34B0 Murata Electronics THERMISTOR PTC 2.2K OHM DISC Posistor® -10°C ~ 40°C Bulk Through Hole - - Disc, 5.0mm Dia x 4.0mm W - -
PTCSL03T111DT1E Electro-Films (EFI) / Vishay THERMISTOR PTC RADIAL LEAD DISC - -40°C ~ 165°C Cut Tape (CT) Through Hole - - Disc, 4.0mm Dia x 3.0mm W - Radial Lead

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.