Disc Ceramic PTC Thermistor 1000-3000 Ohm 380V As Heating Element 195C for Heater
Disc Ceramic PTC Thermistor 1000-3000 Ohm 380V As Heating Element 195C for Heater
What is a PTC Heating Element?
A PTC (Positive Temperature Coefficient) heating element is a type of electric heating component that exhibits a unique characteristic in terms of its electrical resistance with respect to temperature. Unlike traditional heating elements, PTC heating elements have a resistance that increases as their temperature rises.
Here’s how a PTC heating element works
| Resistance Increase: | At lower temperatures, PTC heating elements have a relatively low resistance, allowing electric current to pass through them easily. This initial phase of heating is often referred to as the “cold” state. |
| Self-Regulating: | As the PTC element begins to heat up, its resistance increases rapidly. This property is known as “self-regulation” because it limits the amount of current passing through the element as it heats. This, in turn, prevents the element from overheating. |
| Temperature Stabilization: | PTC heating elements are designed to stabilize at a specific temperature, often referred to as the “Curie temperature” or switching temperature. Once this temperature is reached, the element’s resistance sharply increases, reducing the current flow and preventing further heating. |
| Efficient and Safe: | PTC heating elements are known for their energy efficiency and safety features. They can provide consistent and controlled heating without requiring external temperature controls or thermostats. |
These elements are commonly used in various applications, including heating devices, air heaters, water heaters, and automotive heating systems, where self-regulation and safety are essential.
PTC Heating Element Features
No Thermostat Required
Virtually unlimited life
No moving parts to wear
Very low cost
No electrical noise
The higher the temperature, the more electricity-efficient
Does not burn when in contact with paper, matches, or clothes
Typical Applications
Heater Fan
Heating Plates
Drying Machines
Hair Dryer
Hot melt glue gun
Foot warmer
Diesel/fuel heater
Iron
Self-control heating elements
Drying Machine
Heating Plates
Carburetor preheating
Special design for dimensions or Max. surface temperature is also available.
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