10-Pack 50V 4.7uF Premium Quality Low ESR Electrolytic Capacitors 5x11mm (0.2x0.43in), 50Volt 4.7MFD High-Frequency Caps with Superior Performance

We only needed 1 capacitor, but buying a 10 pack means we have spares. The price was certainly right! The one we used is working great! A little bigger than the original, but we measured before purchasing and knew we had the extra room. Good capacitors!

I ordered two 3300 µF Low ESR 50V electrolytic capacitors to repair a vintage 1979 12V DC / 2.5A power supply. Since I care about component quality, I tested them with two different ESR meters before installation. My measurements: (Room Temp 77F(25C) Capacitor #1: 3139 µF, ESR = 0.020 Ω Capacitor #2: 3115 µF, ESR = 0.018 Ω --> For context: These values are well within the ±20% tolerance rating (acceptable range 2640–3960 µF). The ESR readings are extremely low — which is very good, exactly what you want in a “Low ESR” capacitor, since it means better efficiency and less heat buildup. Compared to the old capacitor (original 5000 µF from 1979): Old capacitor: Measured 5800 µF, ESR = 0.360 Ω New pair in parallel: 6254 µF total, combined ESR ≈ 0.0095 Ω This means not only did I gain extra filtering capacity (better smoothing of the DC voltage), but the effective resistance dropped by nearly 40×. That translates to much better ripple handling, more stable power, and longer-lasting performance. I installed the two capacitors in parallel to replace the original single capacitor, and the power supply is now running cooler, cleaner, and more stable than before. Summary: These JCCON capacitors tested well within spec, showed truly low ESR values, and outperformed the original vintage capacitor by a huge margin. Excellent choice for power supply repairs or DIY electronics projects. Very happy with this purchase.

Bought this and got delivered next day on prime. Replaced my blown up capacitor on my JBL club 5501 car amp. Its a miracle! The bass on my subwoofer is smoother and the amp does not get too hot anymore. I certainly will buy this again if needed in the future. Dont look anywhere else. ESR capacitor is better than aluminum capacitor for power instabilty of your car amp. Go buy now.👍

Caps are worth the price. Caps are good, but only time will tell if the fail like the old ones in a usb power bank. There are items out there, that still have bad caps in them, great replacement for them.

Work great

These are classic Chinese caps, so they're fine for simple use-cases. No way to know how long they'll last, and these are not audiophile-grade capacitors for restoring classic, high-value gear.

I was a little concerned about the brand, but they were all i could find so i put them in the power section of a sansui 5050. The unit sings! So I'll call it good

low esr and correct capacitance verified, working in my hq-110 to replace old leaky can capacitor