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Murata Electronics North America
PRF15/18/21 Series
Murata Electronics North America
PTFL and PTFM Series
 
NXP USA Inc.
KTY81 Series
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PTFL and PTFM Series

POSISTOR® for Overheat Sensing Lead Type

Murata Electronics North America

PTFL and PTFM Series have been developed for protecting power transistors, and stereo main amplifiers. from overheating, and also for sensing the temperature of other components which may be overheated. The "POSISTOR" offers an excellent temperature sensing ability, exhibiting a steep change in electrical resistivity near the temperature setting. PTFL Series is suitable for use as an air temperature sensor.

Features
  • PTFM Series is a screw-fixing type and PTFL Series is a lead type, providing ease of mounting
  • Compact and light design as well as excellent thermal response
  • Solid-state construction withstands mechanical vibration and impact sufficiently
  • Contactless operation provides a prolonged service life, yet permits noiseless operation
  • The operating point of "POSISTOR" is set on the steepest point along the resistance temperature characteristic curve, thus performing the overheat protective operation securely
  • PTFM Series and PTFL Series have the same temperature characteristic, providing a selection depending on the mounting method
Specifications
  • Mounting Type:Through Hole
  • Operating Temperature:-10°C ~ 40°C
  • Package / Case:Disc, 5.0mm Dia x 4.0mm W
  • Packaging:Bulk
  • Resistance @ 25°C:100 Ohms ~ 2.2 kOhms
Parts

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PTFL04BE471Q2N34B0PTFL04BE471Q2N34B0THERMISTOR PTC 100 OHM DISC 100 Ohms--10°C ~ 40°CThrough HoleDisc, 5.0mm Dia x 4.0mm WRoHS
PTFL04BB471Q2N34B0PTFL04BB471Q2N34B0THERMISTOR PTC 470 OHM DISC 470 Ohms--10°C ~ 40°CThrough HoleDisc, 5.0mm Dia x 4.0mm WRoHS
PTFL04BF471Q2N34B0PTFL04BF471Q2N34B0THERMISTOR PTC 470 OHM DISC 470 Ohms--10°C ~ 40°CThrough HoleDisc, 5.0mm Dia x 4.0mm WRoHS
PTFL04BG471Q2N34B0PTFL04BG471Q2N34B0THERMISTOR PTC 470 OHM DISC 470 Ohms--10°C ~ 40°CThrough HoleDisc, 5.0mm Dia x 4.0mm WRoHS
PTFL04BD471Q2N34B0PTFL04BD471Q2N34B0THERMISTOR PTC 470 OHM DISC 470 Ohms--10°C ~ 40°CThrough HoleDisc, 5.0mm Dia x 4.0mm WRoHS
PTFL04BD222Q2N34B0PTFL04BD222Q2N34B0THERMISTOR PTC 2.2K OHM DISC 2.2 kOhms--10°C ~ 40°CThrough HoleDisc, 5.0mm Dia x 4.0mm WRoHS
PTFL04BB222Q2N34B0PTFL04BB222Q2N34B0THERMISTOR PTC 2.2K OHM DISC 2.2 kOhms--10°C ~ 40°CThrough HoleDisc, 5.0mm Dia x 4.0mm WRoHS
PTFL04BH222Q2N34B0PTFL04BH222Q2N34B0THERMISTOR PTC 2.2K OHM DISC 2.2 kOhms--10°C ~ 40°CThrough HoleDisc, 5.0mm Dia x 4.0mm WRoHS

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