10 Best Free Online SMD Capacitor Code Calculator Websites

Here is a list of best free online SMD capacitor code calculator websites. SMD Capacitor or Surface Mount Device Capacitor is a compact capacitor with no long lead. Each SMD capacitor contains a code on its surface that indicates its capacitance and tolerance values. The imprinted capacitor code consists of 3-digits, 4-digits, or alphanumeric digits (EIA-198). However, users cannot immediately understand the actual capacitance of a capacitor just by looking at its capacitor code. To find out the capacitance value using its capacitor code, users need to use these online SMD capacitor code calculator websites.

These websites help users calculate the capacitance of a capacitor using its capacitor code. Inbuilt tools to calculate capacitor code using the capacitance value are also present. The calculated capacitance value is presented in picofarads, nanofarads, microfarads, and millifarads units. However, most of these websites only support 3-digit SMD capacitor codes. Some websites, even let users calculate the tolerance value of a capacitor using its imprinted tolerance grade. To help out users, I have included the necessary calculation steps in the description of each website. Go through the list to learn more about these websites.

These websites offer additional tools like Hex Calculator, Capacitor Safety Discharge, Battery Life Calculator, Resistance Calculator, and more. Go through the list to learn more about these websites.

My Favorite Online SMD Capacitor Code Calculator Website:

digikey.in is my favorite website as it can calculate capacitance value using 3-digit, 4-digit, and alphanumeric code values.

You can also check out lists of best free Online Impedance CalculatorOnline Capacitor Code Calculator, and Online RC Filter Calculator websites.

Comparison Table:

Features/Website NamesSupports 3-digit, 4-digit, and alphabetical capacitor codesCan calculate toleranceCan calculate capacitor code using capacitance value
digikey.inxx
circuitdigest.comx (only supports 3-digit code)x
easybom.comxx
electronics2000.co.ukx (only supports 3-digit code)
davidswinscoe.comx (only supports 3-digit code)x
allumiax.comx (only supports 3-digit code)x
abelectronics.co.ukx (only supports 3-digit code)x
learningaboutelectronics.comx (only supports 3-digit code)x
electricallearner.inx (only supports 3-digit code)xx
thegeekpub.comx (only supports 3-digit code)x

digikey.in

digikey.in is a free online SMD capacitor code calculator website. Using this website, users can calculate the capacitance of a capacitor using the 3-digit EIA, 4-digit EIA, or EIA-198 (alphabetic code) values. The capacitance can be calculated in Millifarad, Microfarad, Nanofarad, and Picofarad values. It also offers a graphical capacitor that highlights the capacitor code entered by the user. Now, follow the below steps.

How to calculate SMD capacitor code online using digikey.in:

  • Visit this website and access the SMD Capacitor Code calculator.
  • Now, choose the type of code you want to enter.
  • Next, enter the capacitor code value.
  • Finally, view the calculated capacitor capacitance in millifarad, microfarad, etc., units.

Additional Features:

  • This website offers an internal catalog of capacitors that users can browse and purchase capacitors.

Final Thoughts:

It is one of the best free online SMD capacitor code calculator websites that supports three-digit, four-digit, and alphabetical capacitor codes.

Pros Cons
Supports 3-digit, 4-digit, and alphabetical codes Doesn’t offer information related to SMD code calculation
Offers a large catalog of capacitors

circuitdigest.com

circuitdigest.com is another free online SMD capacitor code calculation website. This website helps users find out the capacitance of a capacitor with a 3-digit capacitor code. The calculated capacitance value can be observed in PicoFarads, NanoFarads, and MicroFarads units. It also offers a tool to find out the 3-digit capacitor code using a known capacitance value. This website also describes how capacitor code calculation works and the meaning of capacitor codes. Now, follow the below steps.

How to calculate SMD capacitor code online using circuitdigest.com:

  • Go to this website and access the Capacitor Value Calculator.
  • After that, enter a three-digit code in the capacitor code field
  • Now, tap on the Calculate button to view the capacitor capacitance in multiple units.

Additional Features:

  • This website offers multiple electronics and electrical calculators like Resistor Wattage, Hex, Hex to ASCII Converter, Amps to Watts, Energy Consumption, and more.

Final Thoughts:

It is another good online SMD capacitor code calculator that can calculate the capacitance of a capacitor using the 3-digit capacitor code.

Pros Cons
Can also find out the capacitor code using the capacitance value Only words with a 3-digit capacitor code
Describes the working of capacitor code calculation

easybom.com

easybom.com is another free online SMD capacitor code calculation website. Through this website, users can calculate the capacitance value using 3-digit, 4-digit, and EIA-198 (alphanumeric) codes. The calculated capacitance value can be viewed in milliFarads, microFarads, nanoFarads, and picoFarads units. It also answers common queries related to SMD capacitor code calculation. Now, check out the below steps.

How to calculate SMD capacitor code online using easybom.com:

  • Visit this website using the given link.
  • After that, choose either 3 Digit EIA, 4 Digit EIA, or EIA-198 value.
  • Next, view the calculated capacitance value of the capacitor.

Additional Features:

  • This website has multiple online calculators like 555 Timer, Battery Life, bridged-Tee Attenuator, Capacitor Safety Discharge, and more.

Final Thoughts:

It is another good online SMD calculator code website that calculates capacitance value using the 3-digit, 4-digit, or alphanumeric capacitor code.

Pros Cons
Works with 3-digit, 4-digit, and alphanumeric capacitor code
Answers common queries related to capacitor code calculation

electronics2000.co.uk

electronics2000.co.uk is another free online SMD capacitor code calculator website. This website helps users calculate a capacitor’s capacitance and tolerance values using the 3-digit value code and tolerance code (C, D, F, G, etc.). It can also calculate the capacitor and tolerance codes using known capacitance and tolerance values. However, it doesn’t offer information related to this topic. Now, follow the below steps.

How to calculate SMD capacitor code online using electronics2000.co.uk:

  • Go to this website and look for the Capacitor Code Calculator.
  • After that, submit the 3-digit capacitor value and tolerance code values.
  • Now, view the calculated Capacitance value in nanoFarads and Tolerance in picoFarads.

Additional Features:

  • This website has multiple Resistance, Inductance, and Capacitance calculators.

Final Thoughts:

It is a good online SMD capacitor code calculator that can calculate both the capacitance and tolerance value of a capacitor.

Pros Cons
Can calculate both the capacitance and tolerance values Doesn’t offer inforamtion related to this topic

davidswinscoe.com

davidswinscoe.com is another free online SMD capacitor code calculator website. This website comes with a straightforward capacitor code calculation that uses the 3-digit capacitor code to calculate the capacitance value. The capacitance value is calculated in picoFarads, nanoFarads, and microFarads units.

This calculator can also convert capacitance values to corresponding capacitor codes. However, it doesn’t offer any information describing this topic. Now, follow the below steps.

How to calculate SMD capacitor code online using davidswinscoe.com:

  • Launch this website using the provided link.
  • After that, enter the three-digit capacitor code in the code field.
  • Next, click on the Convert to Value button.
  • Finally, view the capacitance value.

Final Thoughts:

It is a simple and effective online SMD capacitor code calculator that can calculate both the capacitance and capacitor code values.

Pros Cons
Can calculate both capacitance and capacitor code values Doesn’t offer inforamtion related to this topic

allumiax.com

allumiax.com is another free online SMD capacitor code calculator website. This website can perform capacitor value and color code calculations. It also provides a table describing the conversion of capacitor value and capacitor code. To calculate the capacitance value, users need to submit the capacitor code. Similarly, it requires capacitance value as input to calculate the capacitor code. The calculated capacitance value is shown in Pico Farads, Nano Farads, and Micro Farads units. This website also explains the capacitor value and capacitor code conversion with the help of examples. Now, follow the below steps.

How to calculate SMD capacitor code online using allumiax.com:

  • Visit this website and open up the Capacitor Value & Color Code Calculator.
  • After that, choose the Capacitor Value option.
  • Now, enter a 3-digit capacitor code.
  • Next, tap on the Calculate button to view the calculated capacitance value.

Additional Features:

  • This website offers multiple courses related to transmission & distribution systems, electrical machines fundamentals, power systems engineering, and more.

Final Thoughts:

It is another good online SMD capacitor code calculator website that can calculate capacitance and capacitor code values.

Pros Cons
Can calculate both capacitance and capacitor code values
Describes calculation steps with the help of examples

abelectronics.co.uk

abelectronics.co.uk is another free online SMD capacitor code calculator website. This website helps users calculate the capacitance and tolerance values of a capacitor. To do that, it needs a 3-digit code value and a tolerance code. It calculates the capacitance value in nano Farads unit. A capacitor conversion table highlighting the relationship between Picofarads, Nanofarads, and Microfarads units is also available. However, it doesn’t offer any details related to SMD capacitor code calculation. Now, follow the below steps.

How to calculate SMD capacitor code online using abelectronics.co.uk:

  • Launch this website and access the Capacitor Code Calculator.
  • After that, enter the 3-Digit Value Code and Tolerance Code values.
  • Next, click on the Calculate Capacitance button to start the calculation process.

Additional Features:

  • On this website, users can browse and purchase expansion boards, mounting kits, and their accessories.

Final Thoughts:

It is another simple online SMD capacitor code calculator website that anyone can use without much hassle.

Pros Cons
Can calculate capacitance and tolerance values Doesn’t offer information related to this topic

learningaboutelectronics.com

learningaboutelectronics.com is yet another free online SMD capacitor code calculator website. This website offers a simple capacitor code calculator that can find out capacitance value using capacitor code value. Similarly, it can also calculate capacitor code using a known capacitance value. It also explains capacitor code calculation through multiple examples. It also describes ceramic capacitors. Now, follow the below steps.

How to calculate SMD capacitor code online using learningaboutelectronics.com:

  • Open the interface of this website and look for Capacitor Code Calculator.
  • After that, choose Code from the menu and enter a 3-digit capacitor code.
  • Finally, tap on the Calculate button to start the calculation process.

Additional Features:

  • On this website, users can find many calculators like Mean, Median, Exponential, Dot Product, Cross Product, and more.

Final Thoughts:

It is another good online SMD capacitor code calculator website that calculates capacitance using a three-digit capacitor code.

Pros Cons
Can calculate capacitance and capacitor code values
Explain calculation with examples

electricallearner.in

electricallearner.in is the next free online SMD capacitor code calculator website. This website comes with a Ceramic Capacitor Code calculator that uses the three-digit code imprinted on a ceramic capacitor to calculate its capacitance. It calculates capacitance in three units namely picofarads, nanofarads, and microfarads. The process of using this calculator is also quite simple. Now, follow the below steps.

How to perform SMD capacitor code online using electricallearner.in:

  • Go to this website and access the Ceramic Capacitor Code calculator.
  • After that, enter a three-digit capacitor code into the input field.
  • Next, tap on Calculate to start the calculation process.
  • Finally, view the calculated capacitance value.

Additional Features:

  • This website offers additional tools like battery charge time calculator, resistor color code calculator, inverter load calculator, parallel and series resistor calculator, and more.

Final Thoughts:

It is another good online SMD capacitor code calculator that quickly calculates the capacitance value of a capacitor.

Pros Cons
Lacks information related to SMD capacitance code calculation

thegeekpub.com

thegeekpub.com is another free online SMD capacitor code calculator website. This website offers a simple capacitor value calculator that can calculate capacitance value using a known 3-digit capacitor value. A handy capacitor value tool is also present that uses a capacitance value to find the SMD capacitor code. It also explains ceramic capacitor codes and ceramic capacitor multipliers. Now, follow the below steps.

How to perform SMD capacitor code calculation online using thegeekpub.com:

  • Go to this website using the provided link.
  • After that, enter a 3-digit capacitor code in the input field.
  • Now, click on the Calculate button to start the calculation process.
  • Finally, view the calculated capacitance value in multiple Farad units.

Additional Features:

  • This website has various electronic calculators like Amps to Watts, LED Resistor, Resistor Color Code, Series Resistor, and more.

Final Thoughts:

It is another simple-to-use online SMD capacitor code calculation website that helps users find capacitance and capacitor codes.

Pros Cons
Can calculator both capacitance and capacitor codes

Frequently Asked Questions

Capacitor codes are short markings printed on capacitors, especially surface-mount devices (SMDs), due to limited space. These codes tell you the capacitor's capacitance value and sometimes its tolerance. Understanding these codes is crucial for using capacitors correctly in electronic projects.

The range of SMD capacitors is vast and covers a wide spectrum of capacitance values and other specifications. Here is a breakdown. Minimum Capacitance Range: Typically starts around 0.1 picoFarads (pF) for high-frequency applications. Maximum Capacitance Range: Can go up to several Farads (F) for high-bulk storage in specialized capacitors. Common range: For many general-purpose applications, the most common range falls between 1 pF to 100 µF. Variation: The specific range of available values depends on the capacitor type (ceramic, tantalum, film, etc.) and size (smaller sizes generally have lower maximum capacitance).

Unfortunately, there isn't a single "ISO code" for capacitors because ISO doesn't have a universal system for identifying all components or materials. Instead, several standards and coding systems are used to specify different parameters of capacitors depending on the context.

Unlike larger through-hole capacitors that often use color codes to indicate their capacitance, SMD capacitors don't typically use color codes for capacitance directly. Their small size makes printed colors impractical, so they rely on coded markings in the form of numbers and letters. However, the color of the ceramic body material itself can sometimes provide clues about the general capacitance range of the SMD capacitor.

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