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Alumina Ceramic Resistor
Alumina Ceramic Resistor Alumina Ceramic Resistor

Alumina Ceramic Resistor

Alumina ceramic resistor is a type of resistor made from a high-temperature alumina ceramic material.It is used to regulate electrical current by varying the amount of resistance in a circuit.Available in various sizes and shapes.

  • item no. :

    CS-A-42-13
  • Color :

    White
    • Purity Available

      90% 92% 95% 99.5% 99.7% 99%

    • Material : Alumina ceramic

    • Shape : OEM

    • Size : OEM

  • description

Alumina Ceramic Resistor


Advantages

1. Alumina ceramic resistor can withstand high temperatures without degradation or damage, 1600℃ in long use,1800℃ in short use (Al2O3≥99%).

2. It can handle high rated power without overheating or burning out, and is suitable for high-power electronic devices.

3. High reliability, long service life, and minimum maintenance requirements. This makes it very suitable for critical applications that require reliable performance.

4. Alumina ceramic resistors generate very low noise levels, which is crucial for applications that require low signal distortion and high accuracy.

5. The thermal coefficient of resistance is very low, which means it can maintain the resistance value over a wide temperature range.

6. Its relatively small size makes them very suitable for use in space limited applications.



Descriptions

1. Alumina ceramic resistor is a type of resistor made from high-purity alumina ceramic material.

2. It is very popular in a wide range of electronic applications.

3. One of the key benefits of alumina ceramic resistors is their high temperature resistance.

4.Alumina ceramic resistors also have very low thermal resistance, which means they can rapidly dissipate heat generated by the device they are connected to. This makes them efficient and reliable in applications where heat dissipation is critical.



Size details

OEM: All sizes can be customized and can be made into various complex shapes with high dimensional accuracy. Please clearly provide the height, bottom diameter, top diameter, and any special requirements. To speed up the quotation, please provide drawings.



Parameters of Alumina Ceramic


Item Test Condition 95% Al2O3 99% Al2O3 99.5% Al2O3
Physical properties Density g/cm3 >3.6 3.89 3.96
Moisture absorption % 0 0 0
Mechanical properties ROHS Hardness ≥85 ≥89 ≥89
Flexural strength psiX103 20℃ 358 550 550
Compressive strength psiX103 20℃ 2068(300) 2600(377) 2600(377)
Fracture toughness Mpa.m3/2 K(l c) 4.3 5.6 6
Thermal properties Maximum use temperature 1450 1600 1650
Thermal expansion coefficient 1X10-6/℃ (25-1000℃) 7.6 7.9 8.2
Thermal shock resistance Tc 250 200 200
Thermal conductivity w/mok 20℃ 16 30 30.4
Electrical properties Volume resistivity Ohm/cm2 100℃ >1013 >1014 >1014
Dielectric breakdown strength KV/mm 8.7(220) 8.7(220) 8.7(220)
Dielectric constant (E) 1MHz25℃ 9 9.7 9.7
Dielectric constant (100MHz) (E) 9.5




Applications

1. Electrical heating systems: Alumina ceramic resistor is commonly used in electrical heating systems to control the temperature of the heating element. The high thermal conductivity and electrical insulation properties of alumina ceramic make it an ideal material for this application.

2. Power supplies: Used in power supplies to regulate the voltage and current supplied to electronic devices.

3. Industrial process control: Used in industrial process control systems to regulate and maintain the temperature of various industrial processes.

4. Electronic device: It is used to regulate and control the current passing through electronic devices.

5. Automotive applications: Used in the automotive industry as heating elements for engines and catalytic converters.

6. Medical devices: Used in medical devices such as X-ray machines and MRI systems.



FAQs


Q1. What information should we supply to get a quote?

Please offer the specification of alumina ceramic resistor, such as shape, dimension, quantity, application etc.


Q2. What are the types of alumina ceramic resistors?

There are two types of alumina ceramic resistors: axial lead and surface mount. Axial lead resistors have leads that extend out of either end of the resistor while surface mount resistors are soldered directly onto a circuit board.


Q3. How do I choose the right alumina ceramic resistor for my application?

To choose the right alumina ceramic resistor for your application, you need to consider the required resistance value, power rating, and tolerance. You also need to consider the environmental conditions the resistor will be subjected to, such as temperature, moisture, and chemical exposure.


Q4. How do I install an alumina ceramic resistor?

To install an alumina ceramic resistor, you need to carefully solder the leads of the resistor to the appropriate points on the circuit board or component. It is important to ensure that the resistor is oriented correctly and that the solder joints are secure.


Q5. What is the lifespan of an alumina ceramic resistor?

The lifespan of an alumina ceramic resistor depends on several factors including the operating conditions and the quality of the resistor. With proper installation and use, alumina ceramic resistors can last for many years.



How to clean alumina ceramic resistor

1. First, wipe the alumina ceramic resistor with a damp cloth to remove dust and dirt.

2. Use a soft bristle brush and a mild detergent solution to scrub the alumina ceramic resistor.

3. Wash the alumina ceramic resistor with clean water, and then dry it with a soft cloth.

4. Ensure that the alumina ceramic resistor is dry when used next time.



Quality testing standards

1. Visual inspection of the alumina ceramic resistor for any signs of damage or irregularities.

2. Measurement the dimensions of the alumina ceramic resistor to check for accuracy.

3. Checking for any pinhole defects in the alumina ceramic resistor.

4. Verification of the material and chemical composition of the alumina ceramic resistor.



Packing way




Production Process





Why Choose us?

1. We supply personalized and customized services to contact your personal needs.

2. We are experienced professionals with a good record of success.

3. We provide superior client service and promptly respond to all inquiries.

4. We provide militant prices and strive to ensure that your funds receive the best value.

5. We use the latest technologies and tools to ensure that your project is completed to the highest standards.


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  • Subject :

    Alumina Ceramic Resistor CS-A-42-13
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