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Thermistors

Basic Knowledge of Thermistors

What is Thermistor?

PTC Thermistor, NTC Thermistor

PTC Thermistor, NTC Thermistor

The basic characteristics of PTC Thermistor "POSISTOR®"

The basic characteristics of PTC Thermistor POSISTOR®

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Application guide of PTC Thermistor "POSISTOR®" (basic)

For your thermal solution or circuit protection

Temperature detection! Over heat protection from heating component
Over current protection!!

Circuit protection

Circuit protection
Circuit protection

Temperature detection

Temperature detection

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Application guide of PTC Thermistor "POSISTOR®" (step - up)

PRF15 series (new series) that can be detected by two or more points

The overheating detection of two or more places is possible only by the connection of "PRF" to the series.
The resistance change in "PRF" according to the temperature rise can secure an enough margin between Vout in the threshold and the vicinity of the normal temperature of Vout that judges overheating because it is very large.

PRF15 series (new series) that can be detected by two or more points
PRF15 series (new series) that can be detected by two or more points

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Thermistors are used for here

Thermistors are used for a wide application such as the printer, the digital camera, projector, and LED besides the following.

PC

PC

Mobile phone

Mobile phone

Automotive

Automotive

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Temp. compensation for LCD contrast NCPseries. Temp. sensor for backlight NCP series for HDD magnetic head NCPseries Overheat protection for DC-DC or FET PRFseries Inrush supression for AC adaptor NCPseries Overcurrent protection for LED backlight PRF/PRGseries. Protector for circuit PTGL/PRGseries Temp. sensor for battery NCPseries Photo Detector Temp. Compensation NCP03/15/18 series Ext. Terminal
Over - Current Protection PRG18/21 series RF area Temp. Compensation Over Heat Protection NCP03/15/18 series PRF15/18 series Short Protection PRG18/21 series PA Temp. Compensation Temp. Sensing NCP03/15/18 series Power Management Temp. Compensation Over - Heat Protection NCP03/15/18 series PRF18/21 series Pre - charge Circuit PRG18/21 series Battery Temp. Compensation Temp. Sensing NCP03/15/18 series LCD Temp. Compensation Temp. Sensing NCP03/15/18 series PRF15/18 series Camera/LED Flash Temp. Compensation Temp. Sensing NCP03/15/18 series PRF15/18 series LED Short Protection PRG18/21 series X'tal Temp. Compensation NCP03/15/18 series BB area Temp. Compensation Temp. Sensing NCP03/15/18 series PRF15/18 series Short Protection PRG18/21 series USB Over - Current Protection PRG18/21 series ECU for air - conditioner NCPseries Overcurrent protection for motor lock of sideview and rearview mirror PTGLseries Oveer current protection for autoleveling system PTGLseries For any sensor PRFseries. Temp. sensor for switch control of Power Window NCPseries Overheat protection for audio/amplifier PRFseries/NCPseries Temp. sensor for car navigation system NCPseries