High precision thin film resistors are resistance devices manufactured on thin film substrates, characterized by high accuracy and stability. It can provide accurate resistance values and temperature coefficients, and is widely used in electronic devices and instruments.
The characteristics of high-precision thin film resistors mainly include the following aspects:
High precision: High precision thin film resistors have high resistance accuracy, typically ranging from 0.1% to 1%. This means that it can provide very accurate resistance values, suitable for circuit applications that require high precision.
Low temperature drift: The temperature coefficient of high-precision thin film resistors is usually low and can be controlled within the range of tens to hundreds of ppm/℃. This means that the change in resistance value is relatively small at different temperatures and can maintain good stability.
Wide resistance range: High precision thin film resistors can provide a wide range of resistance values, typically ranging from a few ohms to a few megaohms. This makes it flexible and adaptable in different circuit applications.
Low noise: High precision thin film resistors have a lower noise level, which can reduce interference and noise in the circuit.
High stability: High precision film resistor has good long-term stability and anti-aging ability, and can maintain the accuracy and stability of resistance value in long-term use.
Selection parameter instructions:
Resistance range: Select an appropriate resistance range according to the requirements of the circuit to ensure that the resistor can meet the requirements of the circuit.
Accuracy requirements: Choose an appropriate accuracy level based on the accuracy requirements of the circuit, usually 0.1% or 0.5% accuracy can already meet most applications.
Temperature coefficient: Select an appropriate temperature coefficient based on the operating temperature range of the circuit to ensure that the change in resistance value is controlled within an acceptable range at different temperatures.
Size and power: Select appropriate size and power level based on the size and power requirements of the circuit to ensure that the resistor can adapt to the working environment of the circuit.
The main market applications of high-precision thin film resistors include the following aspects:
Communication equipment: High precision thin film resistors are widely used in circuits such as filters, amplifiers, and mixers in communication equipment, providing accurate resistance values and stability.
Testing and measuring instruments: High precision thin film resistors are often used in calibration, calibration, signal regulation, and other aspects of testing and measuring instruments to ensure the accuracy and reliability of the instruments.
Medical equipment: High precision thin film resistors are used in medical equipment for vital sign monitoring, patient monitoring, medical image processing, and other aspects, requiring high precision and stability.
Automotive electronics: High precision thin film resistors are used in automotive electronics for control systems, sensors, circuit protection, and other aspects, providing accurate resistance values and reliability.
Industrial automation: High precision thin film resistors are used in the field of industrial automation for sensors, controllers, motor drives, and other aspects, meeting the requirements of high precision and stability.
There are many brands of high-precision thin film resistors, among which the well-known ones are ELLON, Viking, ever homs, Vishay, Yageo, Panasonic, KOA, susumu, rohm, etc. These brands have rich experience and technical accumulation in the field of high-precision thin film resistors, providing high-quality products and reliable solutions.
