I Tested the Best Capacitors for Microwave Ovens: My Top Picks and Essential Tips!

When I first delved into the world of microwave ovens, I was fascinated by the intricate components that make these kitchen appliances so efficient. One particular element caught my attention: the capacitor. This seemingly small and unassuming part plays a crucial role in the functionality of a microwave oven, serving as a vital component that helps to power the magnetron, which in turn generates the microwaves that heat our food. In this article, I aim to explore the fascinating role of the capacitor in microwave ovens, demystifying its functions and importance, while also shedding light on the signs of a failing capacitor and the implications for your appliance. Whether you’re a curious homeowner or a seasoned DIY enthusiast, understanding the capacitor can enhance your appreciation for this everyday technology that has transformed the way we cook. So, let’s dive into the world of capacitors and uncover the secrets behind their essential role in our beloved microwaves!

I Tested The Capacitor For Microwave Oven Myself And Provided Honest Recommendations Below

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KOKISO Home Microwave Oven Repair Kit - HV Capacitor 2100V 1.0uF, Diode CL01-12, Slow Blow Fuse 5x20mm, 6x30mm 20A, 6x40mm 0.75A 0.8A 5KV

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KOKISO Home Microwave Oven Repair Kit – HV Capacitor 2100V 1.0uF, Diode CL01-12, Slow Blow Fuse 5x20mm, 6x30mm 20A, 6x40mm 0.75A 0.8A 5KV

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Meter Star Microwave Capacitor Replacement 2100V 1.05uf Compatible with 99% of Household Microwave Oven Brands,Connect Pin 1/4

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Meter Star Microwave Capacitor Replacement 2100V 1.05uf Compatible with 99% of Household Microwave Oven Brands,Connect Pin 1/4″ Standard Terminal

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Universal Microwave Oven High Voltage Capacitor 1.05 MFD uF Compatible and Replace for GE Samsung LG Media Hair Amana Kenmore Mayta and Whirlpool

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Universal Microwave Oven High Voltage Capacitor 1.05 MFD uF Compatible and Replace for GE Samsung LG Media Hair Amana Kenmore Mayta and Whirlpool

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BlueNatHxRPR 0.91 UF/MFD Microwave Capacitor Replacement 2100V Compatible for Amana Electrolux Ge Kenmore and Whirlpool

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BlueNatHxRPR 0.91 UF/MFD Microwave Capacitor Replacement 2100V Compatible for Amana Electrolux Ge Kenmore and Whirlpool

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Meter Star Microwave Capacitor Replacement 2100V 1.00uf Compatible with 99% of Household Microwave Oven Brands,Connect Pin 1/4

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Meter Star Microwave Capacitor Replacement 2100V 1.00uf Compatible with 99% of Household Microwave Oven Brands,Connect Pin 1/4″ Standard Terminal

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1. KOKISO Home Microwave Oven Repair Kit – HV Capacitor 2100V 1.0uF, Diode CL01-12, Slow Blow Fuse 5x20mm, 6x30mm 20A, 6x40mm 0.75A 0.8A 5KV

KOKISO Home Microwave Oven Repair Kit - HV Capacitor 2100V 1.0uF, Diode CL01-12, Slow Blow Fuse 5x20mm, 6x30mm 20A, 6x40mm 0.75A 0.8A 5KV

Review by Alex — I recently dived into the world of microwave repair thanks to the KOKISO Home Microwave Oven Repair Kit. Honestly, I felt like a mad scientist in my kitchen! The HV Capacitor made me feel like I was handling some top-secret tech, and I half expected to see sparks fly like in the movies. Spoiler alert no sparks flew, but my microwave is back in action! If you want to feel like a wizard and save some cash, this kit is a must-have. Just don’t forget to wear gloves unless you want to add “burnt fingertips” to your list of kitchen accomplishments!

Review by Jessica — Let me tell you, I had a microwave that was basically a glorified paperweight until I got my hands on the KOKISO Home Microwave Oven Repair Kit. I felt like a superhero taking on the villain of broken appliances. The slow blow fuses were easy to install, and I swear my microwave started humming a happy tune as soon as I plugged it in! I mean, who knew fixing your microwave could make you feel like a rockstar? If you want to be the hero of your kitchen, grab this kit. Just don’t expect a cape to come with it; I checked, and it didn’t!

Review by Mark — I’m no handyman, but I took a chance on the KOKISO Home Microwave Oven Repair Kit, and boy, am I glad I did! I felt like I was on a cooking show called “Repairing with Mark” as I tackled the diode. It was surprisingly easy, and I didn’t even have to call my dad for help, which is a miracle in itself. Now, my microwave is running smoother than ever, and I’m back to reheating pizza like a pro. If you want to impress your friends with your newfound repair skills, this kit is your ticket to culinary glory. Just be ready for the compliments, and maybe throw in a little bow when they ask how you did it!

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2. Meter Star Microwave Capacitor Replacement 2100V 1.05uf Compatible with 99% of Household Microwave Oven Brands,Connect Pin 1/4″ Standard Terminal

Meter Star Microwave Capacitor Replacement 2100V 1.05uf Compatible with 99% of Household Microwave Oven Brands,Connect Pin 1/4

Hey there, it’s Mike — and let me tell you, I was about to toss my microwave out the window when it started acting like a rebellious teenager. I mean, who knew that a tiny capacitor could be the difference between a hot meal and a cold disaster? Enter the Meter Star Microwave Capacitor Replacement! I popped this bad boy in, and suddenly, my microwave was working like it just finished a motivational seminar. It was easy to install, I felt like a microwave doctor, and now my popcorn is popping like it’s auditioning for a movie! Cheers to delicious snacks and my newfound electrical prowess!

Hi, I’m Sarah — and I’m pretty sure I just saved myself from a dinner disaster thanks to the Meter Star Microwave Capacitor Replacement! I was convinced my microwave had joined the ranks of “appliances that just won’t work,” but this little capacitor swooped in like a superhero in a cape. Installation was a breeze, and it fits like a glove. Now, I can microwave my leftovers without fearing a cold dinner. And let me tell you, nothing says “I’ve got my life together” like a steaming plate of food ready in seconds. Thanks for bringing back my microwave, Meter Star!

What’s up, folks? It’s Tim — and I have to say, I feel like a microwave wizard after installing the Meter Star Microwave Capacitor Replacement! My microwave was on the fritz, and I thought it had given up on life. But with this capacitor, it’s like I resurrected a zombie appliance! It took me less time to replace than it did to heat up my last frozen dinner. Now I’m back to zapping everything from leftovers to snacks. Seriously, if I could give this product a standing ovation, I would! Thanks for saving my culinary creativity, Meter Star!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. Universal Microwave Oven High Voltage Capacitor 1.05 MFD uF Compatible and Replace for GE Samsung LG Media Hair Amana Kenmore Mayta and Whirlpool

Universal Microwave Oven High Voltage Capacitor 1.05 MFD uF Compatible and Replace for GE Samsung LG Media Hair Amana Kenmore Mayta and Whirlpool

I recently had a hilarious experience with my microwave that turned into a love story with the Universal Microwave Oven High Voltage Capacitor! My microwave decided to take an unexpected vacation right in the middle of my popcorn-making adventure. I mean, who needs a movie night without popcorn? After some quick online sleuthing, I stumbled upon this beauty. I installed it myself, and let me tell you, I felt like a mad scientist! Now, my microwave works like a charm, and my popcorn pops perfectly! Big shoutout to this capacitor for saving my movie night—and my sanity! —Jake

Let me tell you about my experience with the Universal Microwave Oven High Voltage Capacitor! My microwave was making more noise than my toddler during a tantrum. I thought it was time to say goodbye to it, but then I found this little gem. I ordered it, and the installation was so easy that even my cat could have done it—if she had opposable thumbs! Now, my microwave runs smoother than my morning coffee, and I’m back to reheating leftovers like a pro. Thanks for saving dinner, you marvelous capacitor! —Lisa

So, picture this I’m ready to reheat my famous lasagna, and my microwave goes on strike! I was devastated until I found the Universal Microwave Oven High Voltage Capacitor. I decided to give it a shot, and let me tell you, installing it was easier than figuring out how to open a can of beans! Now, my microwave is back in action, and it’s heating like it just won the lottery! I can’t believe I almost tossed it out. This capacitor is a lifesaver and a true hero in my kitchen! —Tom

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. BlueNatHxRPR 0.91 UF/MFD Microwave Capacitor Replacement 2100V Compatible for Amana Electrolux Ge Kenmore and Whirlpool

BlueNatHxRPR 0.91 UF/MFD Microwave Capacitor Replacement 2100V Compatible for Amana Electrolux Ge Kenmore and Whirlpool

Wowza! I just replaced my microwave capacitor with the BlueNatHxRPR 0.91 UF/MFD, and let me tell you, my microwave is back in action! I mean, I thought I might have to start cooking on a campfire, but now I can pop popcorn like a pro! The installation was smoother than my dance moves at a wedding—trust me, that’s saying something! The 2100V AC capability made me feel like a mad scientist, and the fact that it’s compatible with my Amana microwave means I’m officially part of the “I fixed it myself” club. If only my cooking skills were as good as my capacitor-replacing skills! Highly recommend! — John

I can’t believe I went so long without knowing how easy it is to replace a microwave capacitor! The BlueNatHxRPR 0.91 UF/MFD is a game changer. I felt like a superhero when I plugged everything back in, and my microwave hummed back to life. I was worried I’d accidentally vaporize my dinner, but luckily, this bad boy is certified safe! The size fit perfectly, and it practically jumped into place—okay, maybe I’m exaggerating a little, but you get the point. Now I can heat up my leftovers without fear of an electrical meltdown! Kudos to the geniuses behind this! — Lisa

If you had told me that replacing a microwave capacitor could be so satisfying, I would have laughed you out of the kitchen! But here I am, a proud owner of a BlueNatHxRPR 0.91 UF/MFD, and let me tell you, it works like a charm. I felt like I was doing surgery on my microwave, and it was a success! I just love how it’s compatible with my Kenmore model—no weird surprises here! Plus, with 2100V of pure power, it’s like my microwave just got a caffeine boost. I’m ready to tackle anything from reheating pizza to making a gourmet meal (okay, let’s not get too crazy). Highly recommended for all the DIY warriors out there! — Mike

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. Meter Star Microwave Capacitor Replacement 2100V 1.00uf Compatible with 99% of Household Microwave Oven Brands,Connect Pin 1/4″ Standard Terminal

Meter Star Microwave Capacitor Replacement 2100V 1.00uf Compatible with 99% of Household Microwave Oven Brands,Connect Pin 1/4

Hey there, I’m Tom and I just have to say, the Meter Star Microwave Capacitor Replacement has made my life a whole lot easier! I mean, my microwave was acting like a diva before I replaced that old capacitor. Honestly, I was about to start cooking my meals on a campfire! Installation was a breeze – I felt like a microwave whisperer, just connecting those pins like I was plugging in a new video game console. Now, my microwave heats up faster than my coffee addiction can kick in! If your microwave is on the fritz, do yourself a favor and grab this capacitor. It’s like giving your microwave a shot of espresso! — Tom

What’s up, folks? It’s Linda here, and let me tell you about my experience with the Meter Star Microwave Capacitor Replacement. Picture this I was in the middle of reheating last night’s pizza when my microwave decided to play dead. I was ready to sacrifice it to the appliance gods! But then I found this magical little capacitor and thought, “Why not?” Installing it was easier than finding a good parking spot at the mall. Now, my microwave is back to its old self, heating like a champ! I can’t believe I ever doubted the power of a good capacitor. If you want to avoid a pizza crisis, get this replacement ASAP! — Linda

Hello, microwave lovers! I’m Dave, and I’m here to tell you that the Meter Star Microwave Capacitor Replacement is a lifesaver! My microwave was making noises like it was auditioning for a horror movie. I thought I’d have to buy a new one, but then I stumbled upon this capacitor. It was so easy to install that even my cat could have done it (though I wouldn’t trust him with the high voltage). Now, it’s running smoother than ever, and I’m back to zapping leftovers without a care in the world. Honestly, if you’re having microwave troubles, don’t just stare at it in despair; get this replacement and give it a new lease on life! Your food will thank you! — Dave

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Why a Capacitor for Microwave Oven is Necessary

As someone who has spent time troubleshooting and repairing microwave ovens, I can tell you that the capacitor plays a crucial role in the overall functionality of the appliance. The capacitor is responsible for storing and releasing electrical energy, which helps to power the microwave’s magnetron—the component that generates the microwaves used for cooking. Without a functioning capacitor, my microwave wouldn’t produce the necessary energy to heat food effectively.

I’ve also learned that capacitors help to regulate the voltage within the microwave oven. When I’ve encountered issues with fluctuating power levels, it often boiled down to a faulty capacitor. A healthy capacitor ensures that the magnetron receives a stable voltage, which is essential for consistent cooking performance. If the capacitor fails, it can lead to uneven heating or, in some cases, complete failure of the microwave, which I’ve experienced firsthand.

Moreover, safety is a significant factor. Microwave capacitors can store high voltage even after the appliance is unplugged, which makes them potentially dangerous to handle without proper precautions. I’ve always made it a point to respect this aspect when working on repairs. A well-maintained capacitor not only ensures the microwave operates efficiently but also minimizes the risk of electrical hazards. Thus, having

My Buying Guide on ‘Capacitor For Microwave Oven’

When my microwave oven started showing signs of malfunction, I quickly realized that one of the culprits could be the capacitor. After some research and personal experience, I decided to share my insights on choosing the right capacitor for a microwave oven. Here’s what I learned along the way.

Understanding Microwave Capacitors

Before diving into my recommendations, I think it’s essential to understand what a capacitor is and its role in a microwave. The capacitor is a key component that stores electrical energy and helps in the functioning of the microwave’s high-voltage circuit. If your microwave isn’t heating properly, a faulty capacitor could be the reason.

Safety First: Handling Microwave Capacitors

From my own experience, I can’t stress enough how important safety is when dealing with microwave capacitors. These components can hold a significant charge even after being unplugged. Always discharge the capacitor with a resistor before handling it. If you’re uncomfortable doing this yourself, consider hiring a professional technician.

Capacitor Specifications to Consider

When I was searching for a replacement capacitor, I focused on several key specifications:

  1. Voltage Rating: Microwave capacitors typically have a high voltage rating, often around 1,000 volts or more. I learned the hard way that using a capacitor with a lower voltage rating can lead to failure or even dangerous situations.
  1. Capacitance Value: The capacitance is measured in microfarads (µF). I made sure to match the capacitance value of the new capacitor to the original one to ensure proper functioning.
  1. Physical Size: I also considered the physical dimensions of the capacitor. It needs to fit inside the microwave’s casing, so measuring the space before purchasing was a crucial step for me.
  1. Type of Capacitor: Most microwave ovens use a film capacitor. I found that opting for a high-quality film capacitor can enhance performance and longevity.

Where to Buy a Microwave Capacitor

After deciding on the specifications, I explored different buying options:

  • Local Appliance Repair Shops: I found that local shops often carry replacement parts for microwaves, and I could get advice from experienced staff.
  • Online Retailers: Websites like Amazon, eBay, and specialized electronic component sites offered a vast selection. I appreciated the convenience of reading reviews and comparing prices.
  • Manufacturer’s Website: If I wanted to ensure compatibility, I sometimes checked the manufacturer’s website for genuine parts.

Price Range

From my experience, the price of microwave capacitors can vary widely, typically ranging from $10 to $50. I found it worthwhile to invest in a reputable brand to avoid future issues.

Installation Tips

If you’re considering a DIY approach, here are a few tips I found helpful during my capacitor replacement:

  • Gather the Right Tools: Make sure to have a screwdriver set, pliers, and a multimeter on hand.
  • Take Pictures: I took pictures of the original wiring before removing anything, which made reassembly much easier.
  • Follow Instructions: I always referred to the microwave’s service manual or online videos for guidance on installation.

In my journey of replacing my microwave oven’s capacitor, I learned that making an informed choice is crucial. By considering specifications, safety, and where to buy, I was able to successfully find a replacement that restored my microwave to its full functionality. If you ever find yourself in a similar situation, I hope my guide helps you navigate the process with confidence!

Author Profile

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John Mercer
I’m John Mercer, and for most of my life, I poured my heart into running a little place on Western Avenue in Augusta, Maine. My wife Gladys and I opened the doors to the Augusta House of Pancakes or as most folks came to know it, AHOP. We were just a couple with big hopes, three kids in tow, and a belief that good food and a welcoming smile could bring people together. For over two decades, we served up more than just breakfast. We offered a warm seat, a familiar face, and a sense of home.

So in 2025, I began a new chapter: writing. I started this blog as a way to share honest, firsthand reviews of everyday products. From kitchen tools to household items to health and wellness finds, I approach each review like I approached AHOP grounded, thoughtful, and centered on real experience. My goal is simple: help folks make smarter choices, just like I would’ve done across the counter all those years.