---
product_id: 99263950
title: "5 MFD AC Capacitor, 5uF ±5% 370VAC/440 Volt Oval Run Start Capacitor for Air Conditioner Condenser Straight Cool or AC Motor and Fan Starting or Heat Pump Air Conditioner"
brand: "the hvac genius"
price: "$U977"
currency: UYU
in_stock: true
reviews_count: 10
category: "The Hvac Genius"
url: https://www.desertcart.uy/products/99263950-5-mfd-ac-capacitor-5uf-5-370vac-440-volt-oval
store_origin: UY
region: Uruguay
---

# 5 MFD capacitance ±5% precision 440V max voltage rating -40℃ to +85℃ operating range 5 MFD AC Capacitor, 5uF ±5% 370VAC/440 Volt Oval Run Start Capacitor for Air Conditioner Condenser Straight Cool or AC Motor and Fan Starting or Heat Pump Air Conditioner

**Brand:** the hvac genius
**Price:** $U977
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your comfort with precision and durability!

## Quick Answers

- **What is this?** 5 MFD AC Capacitor, 5uF ±5% 370VAC/440 Volt Oval Run Start Capacitor for Air Conditioner Condenser Straight Cool or AC Motor and Fan Starting or Heat Pump Air Conditioner by the hvac genius
- **How much does it cost?** $U977 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/99263950-5-mfd-ac-capacitor-5uf-5-370vac-440-volt-oval)

## Best For

- the hvac genius enthusiasts

## Why This Product

- Trusted the hvac genius brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **OEM-Level Quality:** Meets or exceeds Carrier and major HVAC brand specs for seamless replacement
- • **Compact Oval Design:** Space-saving 2"x2.5" form factor fits most AC condenser units effortlessly
- • **Precision Power Boost:** Reliable 5 MFD ±5% capacitance for consistent motor start-up
- • **High Voltage Endurance:** Rated for 440V to outlast standard 370V capacitors
- • **Extreme Temperature Resilience:** Operates flawlessly from -40℃ to +85℃, built for all climates

## Overview

The HVAC Genius 5 MFD AC Capacitor is a premium-grade, oval-shaped run capacitor designed for air conditioners, heat pumps, and fan motors. With a precise 5 microfarad capacitance ±5%, a robust 440V rating, and an operating temperature range from -40℃ to +85℃, it ensures reliable motor starting and long-lasting performance. Compatible with most Carrier and industrial HVAC units, this compact capacitor meets or exceeds OEM standards, making it the smart choice for professional-grade AC maintenance and DIY upgrades alike.

## Description

A capacitor is an electric component that temporarily stores an electrical charge. A "run capacitor" supports electric motors, such as in air conditioner or heat pump units, a fan motor and a compressor motor. The capacitor has two terminals. Capacitors come in a variety of sizes, depending on the capacitance (µF or MFD), such as 40 plus 5 µF, and also the voltage. A 440 volt capacitor can be used in place of a 370 volt, as it is build better, but the 370 can’t be used in place of a 440 volt. It will work for a while and will fail prematurely, as exceeding the capacitor's rated voltage will cause the dielectric to break down and the capacitor to short out. Same as an electric wire- 600V rated wire is better than 300V one .The capacitance(µF or MFD) must be the same or stay within 10%+ or 5%- of its original value . Example: 50 µF cap can be substituted by 47.5 to 55 µF with the same or better voltage ratings capacitor . Round oval-shaped run capacitors are commonly used for air conditioning, to help in the starting of the compressor and the condenser fan motor.

Review: Perfection unachievable but close enough - These appear to be an exact replacement, just a tad shorter but work well.
Review: Great replacement part. !!! PSA about power box next to AC unit !!! - This replacement part was perfect. I did a lot of research about the specs that my model required, and everything matched exactly as expected. I also try to be a DIY'er at home as much as possible as a responsible homeowner, so I learned from multiple online guides about how to perform the process of replacing this part. My A/C works again! But here's the caveat, and I hope this helps you: While performing the replacement I encountered something unexpected. My power utility company installs power regulation circuits to cut electricity costs when people are typically away from the house during the week during high power consumption periods. This "box" REPLACES the typical outdoor power breaker that sits next to the AC unit. While most online guides tell users to cut off the power here and inside, none mention these utility company power-saver boxes. The front warning text mentioned something about protecting me from injury, but as an American DIY'er, we all know how that works. ...nothing about fines or civil/criminal penalties, so I figured I was good to go. So being a curious DIY'er I broke the wire seal, and popped it open! (after securing all, and I mean "ALL" other power sources to the AC circuit) What I found was a circuit board; nothing about the circuit breaker from all the guides I read. This is definitely a local thing to my metro area, by the way, so I wouldn't necessarily expect you to encounter this box. But just in case you do... Suffice to say, after viewing the circuit board I promptly closed it and went about my business. Even went so far as to scrawl a tiny, little apology in permanent marker on the house paint right next to the box for breaking their little "wire seal". Ha! I'm sure the next service tech will get a kick out of that--right before they still charge me for... whatever this is going to cost for opening the box. Kick the can down the road, as usual. I may be overly curious but I'm still honest and don't want to try to hide this action. Anyways, the point is, if you see one of these little locked boxes, DO NOT OPEN IT; the power breaker is not in there. Just secure power at the circuit breaker inside the house, and TEST, TEST, TEST with a multimeter to make sure there are no energized circuits. Genuinely hope this helps you save money and perform the replacement safely. Good luck!!

## Features

- Durable Grade Premium 5 MFD Capacitor for AC Compatible with most Carrier AC Capacitor - Meets or Exceeds OEM Specifications Quality. Comes Brand New in Original Retail Packaging
- HVAC Genius Dual Run Capacitor 5 MFD 440v 50/60hz Operating temperature: -40℃ to +85℃ / -40℉ to +185℉. Safety rated: 10,000 AFC. AC Capacitor 45/5 440 volt. Compatible With Most Cylindrical HVAC Capacitor 45/5 Industrial Electrical Capacitors.
- Replacement for: TOCF5 , CPT00072 , 97F5705, Z97F5705 , 97F95702 , Z97F5702 , TT-CAP-5/440 , C305L ,PW-5, TP-CAP-5/440
- Other Capacitor for AC Sizes Available In 370 440 Volt: 45/5, 7.5, 10, 40/5, 35/5, 15, 30/5, 50/5, 55/5, 20, 60, 70/5

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07KQJ8G8L |
| Best Sellers Rank | #75,687 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #356 in Industrial Electrical Capacitors |
| Capacitance Tolerance | 5 |
| Date First Available | November 20, 2018 |
| Item Weight | 5.6 ounces |
| Item model number | THVAC-CAP-5-OVAL |
| Manufacturer | The HVAC Genius |
| Maximum Voltage | 440 Volts |
| Mounting Type | Rack Mount |
| Operating Voltage | 440 Volts |
| Product Dimensions | 2"W x 2.5"H |
| Upper Temperature Rating | 85 Degrees Celsius |

## Product Details

- **Brand:** The HVAC Genius
- **Capacitance:** 5 Microfarad
- **Material:** Aluminum
- **Maximum Storage Temperature:** 85 Degrees Celsius
- **Shape:** Oval

## Images

![5 MFD AC Capacitor, 5uF ±5% 370VAC/440 Volt Oval Run Start Capacitor for Air Conditioner Condenser Straight Cool or AC Motor and Fan Starting or Heat Pump Air Conditioner - Image 1](https://m.media-amazon.com/images/I/61coiDLFSML.jpg)

## Available Options

This product comes in different **Model** options.

## Questions & Answers

**Q: Original had 3 wires coming from the capac instead of three labeled spade connectors. two red, one brown. brown to b, 1 red to c. any wiring help?**
A: What I did was had label facing me. And I removed one wire at a time matching each move

**Q: My furnace makes a big hum when starting the blower motor. Could the problem be a weak capacitor?**
A: Only if it has a weak one. These are normally found at A/C compressors.

**Q: Product description says 45+5 mfd, picture shows 50+5 mfd. which is it?**
A: 45

**Q: Can i replace my old capacitor wilspec ca370-05v with this. it's 5micron f +-5% ?**
A: Yes should work fine

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfection unachievable but close enough
*by B***R on November 3, 2025*

These appear to be an exact replacement, just a tad shorter but work well.

### ⭐⭐⭐⭐⭐ Great replacement part. !!! PSA about power box next to AC unit !!!
*by A***R on July 24, 2022*

This replacement part was perfect. I did a lot of research about the specs that my model required, and everything matched exactly as expected. I also try to be a DIY'er at home as much as possible as a responsible homeowner, so I learned from multiple online guides about how to perform the process of replacing this part. My A/C works again! But here's the caveat, and I hope this helps you: While performing the replacement I encountered something unexpected. My power utility company installs power regulation circuits to cut electricity costs when people are typically away from the house during the week during high power consumption periods. This "box" REPLACES the typical outdoor power breaker that sits next to the AC unit. While most online guides tell users to cut off the power here and inside, none mention these utility company power-saver boxes. The front warning text mentioned something about protecting me from injury, but as an American DIY'er, we all know how that works. ...nothing about fines or civil/criminal penalties, so I figured I was good to go. So being a curious DIY'er I broke the wire seal, and popped it open! (after securing all, and I mean "ALL" other power sources to the AC circuit) What I found was a circuit board; nothing about the circuit breaker from all the guides I read. This is definitely a local thing to my metro area, by the way, so I wouldn't necessarily expect you to encounter this box. But just in case you do... Suffice to say, after viewing the circuit board I promptly closed it and went about my business. Even went so far as to scrawl a tiny, little apology in permanent marker on the house paint right next to the box for breaking their little "wire seal". Ha! I'm sure the next service tech will get a kick out of that--right before they still charge me for... whatever this is going to cost for opening the box. Kick the can down the road, as usual. I may be overly curious but I'm still honest and don't want to try to hide this action. Anyways, the point is, if you see one of these little locked boxes, DO NOT OPEN IT; the power breaker is not in there. Just secure power at the circuit breaker inside the house, and TEST, TEST, TEST with a multimeter to make sure there are no energized circuits. Genuinely hope this helps you save money and perform the replacement safely. Good luck!!

### ⭐⭐⭐⭐⭐ Suitable replacement
*by M***S on August 22, 2025*

Replaced existing capacitor that had started reading low, and this went right in with no issues. Unit runs just like it should.

## Frequently Bought Together

- 5MFD-15MFD Capacitor (THVAC-CAP-5-OVAL)
- VEXUNGA 7.5uF 370/440VAC 50/60Hz CBB65 CBB65A Oval Run Start Capacitor 7.5 MFD 370V/440V Air Conditioner Capacitors for AC Unit Fan Motor Start or Pool Pump or Air Condenser Straight Cool
- MARS - Motors & Armatures 10728 1/4 hp 1075 RPM - 1 Speed 1.8 Amp Outdoor Condenser Fan Motor

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*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-02-17*