SMT Electrolytic Capacitor with no Voltage Rating

Any help identifying brand and series of this capacitor would be much apreciated.

Welcome to the Technical Forum. I found a list of options. You can look at this link:

This is the paramtric search. I want you to look at the size /dimension box. Once you measure the part, you would be able to choose the closest option and apply filters. You also need to look at the operating temperature. This should narrow down the options on the link so you can pick one choice. I got you to the 330uf , 35 volt options. Let us know if you need help narrowing it down at this point. The size was not listed or the operating temperature .

Thank you for your help.
Im looking for the datasheet of this particular capacitor. I’m now pretty sure the brand is Nippon Chemi-Con. but i’m having a hard time identifying the series.

Unfortunately I am not even seeing what the series is. I was unable to find any data sheet.

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This search on the Nippon Chemi-Con web site returns all their surface mount 330uF 35V parts.

Without dimensions for the part in your photo it is not possible to narrow down the choices further. So you need to measure your part and then find the correct match.

Hi hernan2800,

I would say it’s most likely the MVE35VC331MJ10TP. For UCC, their practice is to use only the last letter of the series on the smaller diameter capacitors (specifically 10mm and smaller) like this:


I couldn’t find a datasheet for the older version of the series, but we do have the “upgraded” version of it in the “Alchip™- MVE” series, the EMVE350ARA331MJA0G. This is considered to be their standard high temperature (105°C) series (see datasheet), and below is their upgrade path, as of 2020.


Thank you kindly! I wouldn’t have even thought to check lead lengths for surface-mount…didn’t know that was a thing!

I have some SMD electrolytic caps in a Midnite Solar Classic 250 that appear to have gone bad. I’m thinking they are 47uF, 25V, but was wondering if anybody could confirm.

Hello joshua.moore – welcome to the Forum community! It’s reasonable to assume that the caps are 47uf, 25V however, I wasn’t able to identify the 695 marking. It could be a series designation, or a date/lot code. Without knowing who the manufacturer is, it’s difficult to confirm the marking. Here are some options we have in stock for 47uf, 25V surface mount electrolytic capacitors.


I’m wondering if anyone could help with this capacitor…wondering what the replacement would be.

Not sure what VZA is. I’m thinking it’s 49v?



Marking details for this capacitor.
For options please see this list and compare with the board mount dimensions and height.

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That was a big help! I was way off. Found the part and ordered.

Thank you!

Hi, I have this capacitor I’ve identified that it’s 47uF and 16v but was wondering about the top “83” number… also, I am testing it in circuit via multimeter in capacitance mode and am getting a reading of ~198 not sure if I’m doing it right but that’s for another day. I think this cap what is causing the issue I’m having with my IR board on my tv

Welcome to the forum.

The top numbers and letters are most likely related to the package and/or manufacturing date/place. One of the people around here may be able to give you the exact breakdown of the extra marks.

As to reading way too high when measured in circuit, that’s fairly common. You need to remove it from the PCB, or at least lift one lead from the PCB, to get a valid DMM reading of the capacitance.

There are many sources of capacitance on a PCB and most of them are connected to power rails. So the 198uF you measured may be the sum of multiple capacitors and the stray capacitance on the PCB.


Hi Packers87,

That looks like the Samyoung logo (the circle with the three lines coming out at 120 degree intervals). It’s likely the BDS(MVK) series, based on the markings - see datasheet.


Assuming that’s the case, then the “83” or “B3” with the line above is just lot code info. That series is notable primarily just for handling up to 105℃ for 1000hrs. and for being relatively low profile. Again, assuming this is the right series, the part has a diameter of 6.3mm and height of 5.2mm.

Here are some parts which meet or exceed those specifications, and which would fit the same footprint. If I misidentified the part, then you would have to determine the dimensions and select an appropriate part based on those dimensions. Here’s an expanded set of options with more sizes from which to select. Looking for capacitors with longer lifetimes, higher temperature ratings, and lower ESR values (with rare application-specific exceptions) will all tend to be better products.


Thanks so much! I’m still in the diagnostic stage but have booked marked the page you sent over !


Justin B

Hi, I’m looking to replace the nearly 20±Year old caps on this board. The through hole ones are not an issue and the SMT electrolytics with the black print marked “21 1000 6a” are probably 1000 uF, either 10V or 6V but if anyone knows for sure what voltage that “6a” indicates please let me know.

The green one in the corner is the one I am most concerned about finding a replacement for. It is marked “23 470 6e” and is probably the same manufacturer as the others. Given it has 4 leads, two marked + this appears to be a bi-polar cap, probably 2x 470 uF, 25V (guessing with the “E”).

To help with context this is the power supply section of a ~20 year old GeForce 4 video card. Any confirmation as to the maker and/or ratings and a reasonable replacement part for the bi-polar cap?


Welcome to the forum.

Bi-polar = non-polarized

The green marking in the photo appears to be a polarity mark, which should mean it is polarized.

Also I’ve never seen a non-polarized electrolytic used outside of an audio or instrumentation application, seems it would be a complete waste of money on a PC motherboard.

If motherboard manufacturers are anything, it’s cost conscious, that’s why the their electrolytics fail a decade before other product designers parts fail.

I agree with @PaulHutch, the cap has a polarity marking and there is a + mark on the board. This indicates a polarized cap.

So, with any of the green caps, are you able to make out a manufacturer’s name or symbol to help narrow that down? Also, can you tell us the diameter of that cap? It would also be helpful to get a view with the location of all contacts of that cap so we can see their orientation relative to the body of the cap.

Thanks for the replies, I will do my best to answer both.

You are right, bi-polar was the wrong term. What I was looking for was a 4-Terminal capacitor - possibly two capacitors in the same package. The green SMT capacitor has 4 terminals, oriented as per the photo it has one below it (+), two to the left (+ and -) and one above it which is not visible due to the shadow in the photo (-). A measurement from + to + and - to - shows these terminals are not common, and a measurement (resistance mode/in circuit) across +/- for both pairs acts very much like two capacitors. I was thinking if a replacement can’t be sourced and I remove this part and can accurately measure it, perhaps I can use two tantalums in it’s place?

I’m afraid there is nothing at all on the smt capacitors to suggest who the manufacturers are but I can tell you that all the through-hole electrolytics are Sanyo (Both the Green and Purple).

The silver SMT caps have a diameter of about 7.5mm and are roughly 10mm tall (including the black base). The green SMT cap has a diameter of about 10mm and is about 9mm tall (including the black base).

Here is a zoomed-in and cropped photo of the green 4-terminal SMT cap:

EDIT: So I think you are on to something about Sanyo making the through-hole caps. After a quick search of data sheets for Sanyo SMT caps these look like Sanyo markings. The ones marked with “A” are almost certainly Sanyo CE-AX series caps.

The green one is almost certainly Sanyo as well. The “e” marking appears in a few different series, but none of the ones I have found so far have a 4-lead version.