How to combine nonpolar capacitors » A Quick Guide

How to combine nonpolar capacitors? To combine non-polar capacitors, follow these simple steps: First, ensure that the capacitors have the same capacitance value. Connect the positive terminal of one capacitor to the positive terminal of the other, and do the same for the negative terminals. If you have more than two capacitors, continue this process, linking them in series or parallel depending on your desired result. For series connection, connect the positive terminal of one capacitor to the negative terminal of the next, and so on. This increases the total voltage rating. For parallel connection, connect all positive terminals together and all negative terminals together, effectively increasing the total capacitance. Make sure to double-check your connections and observe polarity to avoid damaging the capacitors.

How to combine non nonpolar capacitors

How to combine nonpolar capacitors

Capacitors are essential components in electronic circuits, and sometimes you may need to combine non-polar capacitors to achieve specific capacitance or voltage requirements. In this article, we will explore the steps to effectively combine non-polar capacitors to suit your electronic projects.

Understanding Non-Polar Capacitors

Before we dive into the combining process, let’s briefly understand what non-polar capacitors are. Unlike polar capacitors (such as electrolytic capacitors), non-polar capacitors do not have a specific positive and negative terminal. This characteristic makes them versatile for various applications.

Gather Your Non-Polar Capacitors

The first step in combining non-polar capacitors is to gather the capacitors you intend to use. Ensure that the capacitors have the same capacitance value, as combining capacitors with different capacitances can lead to imbalances in your circuit.

Parallel Connection

One common way to combine non-polar capacitors is through parallel connection. This method increases the total capacitance while maintaining the same voltage rating. Here’s how to do it:

2.1. Identify the Terminals

Each non-polar capacitor has two terminals, usually marked as “+” and “-“. Connect all the “+” terminals of your capacitors together and all the “-” terminals together.

2.2. Wiring

Use appropriate wires or connectors to make these connections. Ensure that there is a solid electrical connection between the terminals.

2.3. Total Capacitance

The total capacitance of your combined capacitors in parallel is the sum of the individual capacitance values. This configuration is ideal when you need to increase the capacitance while keeping the voltage rating the same.

Series Connection

Another way to combine non-polar capacitors is through series connection. This method increases the total voltage rating while maintaining the same capacitance value. Here’s how to do it:

3.1. Identify the Terminals

As before, identify the “+” and “-” terminals of each capacitor. In this case, you’ll connect the “+” terminal of one capacitor to the “-” terminal of the next.

3.2. Wiring

Use appropriate wiring to connect the capacitors in series. Ensure secure connections to maintain proper functionality.

3.3. Total Voltage Rating

When capacitors are connected in series, the total voltage rating is the sum of the individual capacitors’ voltage ratings. This configuration is useful when you need to increase the voltage tolerance of your circuit.

Polarity Check

Before you power up your circuit, double-check your connections to ensure that you haven’t accidentally reversed the polarity. Connecting non-polar capacitors with reversed polarity can damage them and potentially other components in your circuit.


Combining non-polar capacitors can be a valuable skill when designing electronic circuits. Whether you need to increase capacitance or voltage tolerance, understanding how to connect them in parallel or series will help you meet your project’s requirements. Always follow these steps carefully, and your combined non-polar capacitors should function effectively in your circuit.


Q1: Can I combine non-polar capacitors with different capacitance values?

Answer: It’s best to combine capacitors with the same capacitance values to maintain balance in your circuit.

Q2: What happens if I reverse the polarity when connecting non-polar capacitors?

Answer: Reversing polarity can damage the capacitors and other components, so always double-check your connections.

Q3: Why would I want to connect non-polar capacitors in parallel?

Answer: Parallel connection increases total capacitance, which is useful for applications requiring higher capacitance without changing the voltage rating.

Q4: When should I use series connection for non-polar capacitors?

Answer: Series connection increases the total voltage rating and is beneficial when you need to raise the voltage tolerance of your circuit while keeping the same capacitance value.

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