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2 votes
1 answer
296 views

How to identify surface mount electrolytic capacitors?

Various surface mount electrolytic capacitors seem to have no consistent marking method. Here are some examples: (Image sources: 1, 2, 3) How can I identify what value and voltage rating these are?
JYelton's user avatar
  • 34.3k
0 votes
3 answers
339 views

Fake ELNA electrolytic smd capacitor

Few years ago I bought "pack of SMD capacitors", they came only with information about capacitance and voltage. Now I need to use one of them, but I have trouble with find information what ...
urhen's user avatar
  • 411
1 vote
0 answers
171 views

Can I repair this motherboard damage? [closed]

I accidentally knocked a SMD electrolytic capacitor off the motherboard of an ASUS laptop I was stripping down to clean. It looks like the copper pad came off with one of the legs. So My questions are:...
user avatar
0 votes
2 answers
495 views

22uF 0805 SMD capacitor for voltage regulator?

I'm trying to use some part of this circuit dual power supply circuit: http://embedded-lab.com/blog/multi-purpose-dual-power-supply-5-0v-and-3-3v-regulator-board/ Credits to embedded-lab.com. I ...
Michel Keijzers's user avatar
10 votes
2 answers
9k views

Why do some SMD electrolytic capacitors have platforms?

I’m working on a computer monitor’s power board (to replace a capacitor or two, which I assume is the problem), and found these: Replacements are easy to find, so no issues there, but I’m curious why ...
Blair Fonville's user avatar
1 vote
1 answer
2k views

Are these SMD aluminum electrolytic capacitors busted?

I recently bought a car radio and made a stupid mistake when I connected the radio to the car. Apparently I reversed the polarity on the radio which made the radio go poof and smell awful. After ...
kawa's user avatar
  • 13
4 votes
3 answers
7k views

Looking for capacitance and voltage rating - How to read electrolytic SMD capacitor labels

I need to replace an SMD capacitor on a board. The printing on it says F1 560 2.5z I have googled intensely but have been unable to find information on how to read such a codes. I need to find out ...
geraldCelente's user avatar
3 votes
1 answer
2k views

Surface Mount vs Through Hole Aluminium Electrolytic Capacitors?

What are the differences between SMD and TH Aluminium Electrolytic Capacitors? Why are TH variants available with such greater lifetimes? (For example, Digi-key has SMD aluminium caps up to 10k hours, ...
user5678's user avatar
9 votes
3 answers
58k views

Polarity of unmarked smt electrolytic capacitor

I have a kit with three capacitors, described in the parts list as "10uF 25V SMD 1206" and shown on the circuit diagram as polarised (an open rectangle and a filled one). Seen through the transparent ...
Harry Weston's user avatar
  • 2,200
7 votes
4 answers
37k views

Footprints for SMD electrolytic capacitors

Does Altium Designer Summer 09 has footprints for SMD electrolytic capacitors? If so, where can I find them? I've noticed the dimensions of these type of capacitors are given in diameter x height. ...
m.Alin's user avatar
  • 10.8k