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3K R PTC
It is 3K R PTC. PTC (Positive Temperature Coefficient), Thermistor or Thermal resistance is a circuit element whose electrical resistance decreases as the temperature of the environment or the contact surface increases. PTC resistance is a type of temperature controlled resistor.
- PTC thermistors are placed in systems that do not want to overheat such as transformers and motors.
- The PTC resistor is placed for level control in a water tank.
- When the PTC resistor is connected in series with the motor, it first draws a small current and ensures safe starting of the motor.
- It is widely used in areas where heat balance is critical.
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