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{"title":"Epoxy Coating 10K Ohm NTC Thermistor Negative Temperature Coefficient Insulation","imgUrl":"https:\/\/img.chinax.com\/nimg\/74\/50\/39dc6fbc8b9ca67948badcc54232-200x200-1\/epoxy_coating_10k_ohm_ntc_thermistor_negative_temperature_coefficient_insulation_lead.jpg","attrs":{"Brand Name":"TIAN RUI","Model Number":"MF52","Place of Origin":"China","Minimum Order Quantity":"1000PCS"}}
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{"title":"Automobile Air Conditioners PTC Heater With Shell Constant Temperature Heating","imgUrl":"https:\/\/img.chinax.com\/nimg\/ff\/80\/9caab1aef85a2042758ad601d5bd-200x200-1\/automobile_air_conditioners_ptc_heater_with_shell_constant_temperature_heating.jpg","attrs":{"Brand Name":"tianrui","Model Number":"Tianrui Fctory Direct Sell PTC Heater With Shell","Certification":"ROHS","Place of Origin":"China"}}
12V Disc Chip PTC Heater Resistor Thermistor Ceramic Heating Element for Foot SPA Machine
Description
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.
Specification
Product Name
PTC Thermistor
Chip Size
14, 14.5, 16, 19.5, 20mm
Standard Resistance
12, 22, 33, 4.7, 47ohm
Surge Voltage Withstanding
600-800V
Tolerance of Resistance
±30% ~ ±50%
Tolerance of Switching Temp.
±10℃
Operating Tem Range
-25℃~+125℃
Material
Ceramic
Certification
ROHS
Packing
Plastic bag+Carton
Features
1. High reliability,good performance of safety and stability,and used in the frequent-switching.
2. The withstanding voltage can reach to over 600-1000VAC.
3. Switching current can pass over 100,000 times: the resistance will not float.
Working Principle
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.
Dongguan Tianrui Electronics Co., Ltd. was founded in 2010. It covers an area of 5,000 square meters and has a monthly production capacity of 50 million pieces. We are committed to be a comprehensive circuit protection component manufacturer and solution supplier. We are specialized in the design, d... Dongguan Tianrui Electronics Co., Ltd. was founded in 2010. It covers an area of 5,000 square meters and has a monthly production capacity of 50 million pieces. We are committed to be a comprehensive circuit protection component manufacturer and solution supplier. We are specialized in the design, d...