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
B59801D150A40 EPCOS THERMISTOR PTC 100 OHM RADIAL B59801 90°C ~ 120°C Bulk PCB, Through Hole - - Radial - -
PTCCL05H650FBE Electro-Films (EFI) / Vishay THERMISTOR PTC 115 OHM 20% RAD PTCCL - 145 V 0°C ~ 70°C - Through Hole - - Disc, 5.0mm Dia x 5.0mm W - Radial Lead
TFPTL10L4700FL2B Dale / Vishay THERMISTOR PTC 470 OHM 1% RADIAL - -55°C ~ 70°C Bulk Through Hole - - Radial - -
KTY82/120/DG/B2,21 NXP Semiconductors / Freescale THERMISTOR PTC 1K OHM TO236AB KTY82 -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - TO-236-3, SC-59, SOT-23-3 - TO-236AB (SOT23)
TFPT1206L6801JV Dale / Vishay THERMISTOR PTC 6.8K OHM 5% 1206 TFPT -55°C ~ 125°C Tape & Reel (TR) Surface Mount - - 1206 (3216 Metric) - 1206
TFPT1206L1501FV Dale / Vishay THERMISTOR PTC 1.5K OHM 1% 1206 TFPT -55°C ~ 150°C Tape & Reel (TR) Surface Mount - - 1206 (3216 Metric) - 1206 (3216 Metric)
TFPT1206L3300FM Dale / Vishay THERMISTOR PTC 330 OHM 1% 1206 TFPT -55°C ~ 125°C Tape & Reel (TR) Surface Mount - - 1206 (3216 Metric) - 1206
PTFT1206L1000JW Dale / Vishay THERMISTOR PTC 100 OHM 5% 1206 PTFT -55°C ~ 125°C Tape & Reel (TR) Surface Mount - - 1206 (3216 Metric) - 1206
PRF15BE102RB6RC Murata Electronics THERMISTOR PTC 1K OHM 50% 0402 Posistor® -40°C ~ 110°C Cut Tape (CT) Surface Mount - - 0402 (1005 Metric) - 0402 (1005 Metric)
PTFT1206L1500JW Dale / Vishay THERMISTOR PTC 150 OHM 5% 1206 PTFT -55°C ~ 125°C Tape & Reel (TR) Surface Mount - - 1206 (3216 Metric) - 1206

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.