What are the categories of power boosting resistors?
Date:2025-01-15
Viewed:14
Power up resistor mainly refers to a resistor that enhances its power bearing capacity through special processes or designs while maintaining the same volume of the resistor. The following are the main categories of power boosting resistors:
1、 Classified by manufacturing process
Thick film power amplifier resistor
Printed using thick film technology, the resistor paste (based on metal ceramic materials such as ruthenium, iridium, and rhenium oxides) is printed onto a ceramic substrate and then fired to form a resistor layer.
Thick film power resistors typically have high power density and good stability, but their accuracy may be relatively low.
Thin film power amplifier resistor
Using processes such as vacuum evaporation and magnetron sputtering, resistive materials (such as chromium nickelate) are deposited onto the surface of insulating substrates (such as alumina ceramics, silicon, or glass).
Thin film power resistors have extremely high precision and stability, but the manufacturing cost is relatively high.
2、 Classified by material
Metal ceramic power amplifier resistor
Use metal ceramic materials (such as oxides of ruthenium, iridium, rhenium, etc.) as resistance layer materials.
It has the characteristics of high temperature stability, corrosion resistance, and high precision.
Alloy power up resistor
Made of alloy materials such as nickel copper alloy, constantan alloy, nickel chromium alloy, etc.
Alloy power resistors typically have characteristics of low temperature drift, high reliability, and high power.
3、 Classified by packaging form
Surface mounted power amplifier resistor
Adopting a patch packaging form, it is convenient for automated production and installation.
Surface mount power resistors typically have a smaller volume and higher power density.
Plug in power up resistor
Adopting a plugin encapsulation form, suitable for traditional manual soldering and plugin installation.
Plug in power resistors have a relatively large volume, but they also have a high power tolerance.
4、 Classified by special performance
High precision power up resistor
It has extremely high resistance accuracy and stability, suitable for circuit environments that require high precision.
High frequency power up resistor
Suitable for high-frequency circuit environments, with small inductance and capacitance effects.
High temperature power resistor
Capable of working normally in high temperature environments and possessing excellent high-temperature resistance.
In summary, power boosting resistors come in various categories and forms, which can be selected according to specific application requirements and circuit design requirements. When selecting, factors such as the power bearing capacity, resistance accuracy, stability, packaging form, and special performance of the resistor should be comprehensively considered.