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Temperature Sensors - PTC Thermistors

Temperature Sensors - PTC Thermistors

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  2. Sensors, Transducers
  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
B59935C0120A051 EPCOS THERMISTOR PTC 300 MOHM 25% DISC - -40°C ~ 125°C Tape & Reel (TR) Through Hole - - - Disc, 22mm Dia x 3.5mm W -
KTY83/121,113 NXP Semiconductors / Freescale THERMISTOR PTC 990 OHM DO34 KTY83 -55°C ~ 175°C Tape & Reel (TR) Through Hole - - - DO-204AG, DO-34, Axial -
TFPT1206L1000JV Dale / Vishay THERMISTOR PTC 100 OHM 5% 1206 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - - 1206 (3216 Metric) -
TFPTL15L3901JH5B Dale / Vishay THERMISTOR PTC 3.9K OHM 5% RAD TFPTL -55°C ~ 150°C - Through Hole - - - Radial -
B59315P1120A62 4D Systems PTC THERMISTOR P 1315-A 120-A 62 Automotive, AEC-Q200, B59215 -40°C ~ 125°C - Surface Mount - - - - -
PTCSSLVT111DBE Texas Instruments THERMISTOR PTC 100 OHM RADIAL PTCSSLVT - - PCB, Through Hole - - - Radial -
PTCSGM3T121DBE Texas Instruments THERMISTOR PTC 5% RADIAL - -20°C ~ 165°C - PCB, Through Hole - - - Radial -
PTCCL05H250HBE Texas Instruments THERMISTOR PTC - - - - - - - - -
TFPTL10L4700FH5B Dale / Vishay THERMISTOR PTC 470 OHM 1% RADIAL TFPTL -55°C ~ 150°C - Through Hole - - - Radial -
B59008C170A40 EPCOS THERMISTOR PTC 250 OHM RADIAL - 90°C ~ 160°C Bulk PCB, Through Hole - - - Radial -

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.