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Questions and answers for identifying whether your device has bad capacitors. Also post general capacitor-related questions and issues here.

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Sticky: Post help identifying capacitors here by Uranium-235
Started by Uranium-235, 10-19-2022, 06:04 PM
164 responses
26,570 views
0 likes
 Last Post m2farid
by m2farid
04-14-2025, 03:57 AM  
Sticky: List of Bad Cap Manufacturers by willawake
Started by willawake, 01-16-2005, 03:22 PM
384 responses
574,687 views
0 likes
 Last Post RUllER
by RUllER
01-04-2025, 10:41 AM  
Sticky: The Hall of Shame - Badcaps Photo Montage by willawake
Started by willawake, 02-06-2005, 05:50 AM
1,046 responses
616,659 views
0 likes
 Last Post Cartel
by Cartel
12-19-2023, 11:38 AM  
Sticky: The GOOD Capacitors Thread!! by Topcat
Started by Topcat, 02-03-2005, 12:16 PM
200 responses
326,139 views
0 likes
 Last Post Andr_
by Andr_
11-23-2023, 09:40 AM  
Sticky: How to Recondition (Reform) Electrolytic Capacitors and Why by momaka
Started by momaka, 11-22-2015, 10:16 PM
131 responses
100,198 views
0 likes
 Last Post lti
by lti
11-21-2023, 10:31 AM  
Sticky: This is Why You NEVER Ignore Bad Capacitors! by Topcat
Started by Topcat, 06-25-2004, 07:47 PM
77 responses
124,361 views
0 likes
 Last Post ICLEAF123
by ICLEAF123
11-09-2023, 08:48 PM  
Sticky: Cap Datasheet Depot by Uranium-235
Started by Uranium-235, 11-20-2012, 11:26 PM
86 responses
76,220 views
0 likes
 Last Post andrewsawesomr
by andrewsawesomr
09-13-2023, 08:03 PM  
ASUS ROG STRIX GPU capacitor manufacturer by Typicular
Started by Typicular, 03-20-2020, 02:48 PM
2 responses
1,642 views
0 likes
 Last Post stj
by stj
03-21-2020, 09:26 AM  
Which diameter is this Hitachi capacitor? by Hitto
Started by Hitto, 03-14-2020, 07:54 AM
5 responses
1,815 views
0 likes
 Last Post Hitto
by Hitto
03-16-2020, 04:06 PM  
Capacitor help needed. by eurgenca
Started by eurgenca, 11-12-2018, 06:41 AM
6 responses
2,764 views
0 likes
 Last Post EduardvR
by EduardvR
03-08-2020, 08:48 AM  
Help identifying capacitor rating by jeffer76
Started by jeffer76, 03-04-2020, 02:30 PM
2 responses
1,830 views
0 likes
 Last Post budm
by budm
03-05-2020, 12:06 AM  
Measuring ESR using cheap multitester by glutton4punishment
Started by glutton4punishment, 03-03-2020, 04:57 AM
5 responses
1,905 views
0 likes
 Last Post stj
by stj
03-04-2020, 04:58 AM  
question about Polymodding by elbrute
Started by elbrute, 01-18-2020, 08:08 PM
11 responses
3,119 views
0 likes
 Last Post stj
by stj
02-25-2020, 08:39 AM  
Identifying reason for board's similar caps, but different physical sizes by Masejoer
Started by Masejoer, 02-01-2020, 01:44 PM
11 responses
2,918 views
0 likes
 Last Post momaka
by momaka
02-23-2020, 08:19 PM  
Can i test MLCC caps with multimeter? by Gasvan
Started by Gasvan, 02-15-2020, 09:13 AM
11 responses
2,394 views
0 likes
 Last Post Gasvan
by Gasvan
02-20-2020, 06:28 PM  
Weird outer shell markings/corrosion (?) on polymer caps by Snayperskaya
Started by Snayperskaya, 02-10-2020, 11:50 AM
7 responses
1,941 views
0 likes
 Last Post PeteS in CA
by PeteS in CA
02-20-2020, 01:18 PM  
mini black and grey motherboard caps by halaster79
Started by halaster79, 02-08-2020, 01:26 PM
2 responses
1,672 views
0 likes
 Last Post ChaosLegionnaire
by ChaosLegionnaire
02-09-2020, 05:58 PM  
About MEC-CON capacitors by kevin!
Started by kevin!, 02-07-2020, 07:37 PM
1 response
2,464 views
0 likes
 Last Post brispuss
by brispuss
02-08-2020, 03:00 AM  
Help with cap spec sheet by Retrogator
Started by Retrogator, 02-06-2020, 12:59 PM
2 responses
1,892 views
0 likes
 Last Post Retrogator
by Retrogator
02-07-2020, 12:31 PM  
GW GOS 3310 oscilliscope by Mohntr
Started by Mohntr, 01-20-2020, 04:51 PM
18 responses
3,102 views
0 likes
 Last Post redwire
by redwire
01-23-2020, 04:00 PM  
Capacitor brand identification by j_pu
Started by j_pu, 11-08-2019, 12:06 PM
5 responses
2,503 views
0 likes
 Last Post Haidilao
by Haidilao
01-13-2020, 11:33 PM  
Just when you thought polymers gave a PC eternal life! - The GX745 SFF Calamity! by Topcat
Started by Topcat, 09-29-2019, 11:14 AM
36 responses
5,959 views
0 likes
 Last Post elbrute
by elbrute
01-11-2020, 11:40 PM  
ESR Data by cosmarchy
Started by cosmarchy, 01-03-2020, 10:16 AM
2 responses
1,926 views
0 likes
 Last Post PeteS in CA
by PeteS in CA
01-03-2020, 01:52 PM  
Indentifying caps on Biostar 945gz Micro775 se by topgun
Started by topgun, 09-06-2010, 08:25 AM
15 responses
6,184 views
0 likes
 Last Post RJARRRPCGP
by RJARRRPCGP
12-31-2019, 07:11 PM  
Request for service manual LEM Hemc LH630 by llonen
Started by llonen, 12-30-2019, 06:03 PM
4 responses
1,656 views
0 likes
 Last Post llonen
by llonen
12-31-2019, 02:17 AM  
Samsung LE52M86BD 52" faulty BN44-00150B PSU by Escribblings
Started by Escribblings, 12-21-2019, 11:13 PM
5 responses
2,424 views
0 likes
 Last Post Hitto
by Hitto
12-30-2019, 08:06 AM  
Panasonic FJ/FL genuine or not? by kItE80
Started by kItE80, 01-12-2014, 11:00 AM
26 responses
7,594 views
0 likes
 Last Post momaka
by momaka
12-09-2019, 06:32 PM  
Which voltage is this 1uF Matsushita film capacitor? by Hitto
Started by Hitto, 12-09-2019, 02:54 PM
2 responses
1,662 views
0 likes
 Last Post Hitto
by Hitto
12-09-2019, 05:18 PM  
Mitre Saw start capacitor by pintglass
Started by pintglass, 12-08-2019, 02:30 PM
3 responses
2,101 views
0 likes
 Last Post sam_sam_sam
by sam_sam_sam
12-08-2019, 04:15 PM  
Rubycon series MHZ ? by linuxguru
Started by linuxguru, 09-12-2009, 10:26 AM
5 responses
4,049 views
0 likes
 Last Post Uranium-235
by Uranium-235
12-07-2019, 12:19 PM  
What value is this capacitor? by roadrash
Started by roadrash, 11-24-2019, 11:45 AM
9 responses
2,580 views
0 likes
 Last Post stj
by stj
12-06-2019, 02:19 PM  
Tumble Dryer start capacitor by pintglass
Started by pintglass, 11-28-2019, 03:21 PM
34 responses
3,874 views
0 likes
 Last Post pintglass
by pintglass
12-01-2019, 08:12 AM  
Component Identification Help Please by Nevillet
Started by Nevillet, 11-29-2019, 04:54 AM
2 responses
1,526 views
0 likes
 Last Post Nevillet
by Nevillet
11-29-2019, 12:12 PM  
SMD caps - any way of telling which is ground? by JonathanAnon
Started by JonathanAnon, 11-17-2019, 01:35 PM
5 responses
2,181 views
0 likes
 Last Post budm
by budm
11-26-2019, 10:30 AM  
Are Rubycon YXJ for SMPS or not? by John843883
Started by John843883, 11-08-2019, 03:42 PM
2 responses
2,302 views
0 likes
 Last Post momaka
by momaka
11-14-2019, 06:18 PM  
What are the best caps for AC coupling a video signal? by Y. Signal
Started by Y. Signal, 11-06-2019, 07:16 AM
5 responses
1,837 views
0 likes
 Last Post Y. Signal
by Y. Signal
11-06-2019, 05:32 PM  
Different capacitors in the sassi and different values in the schematic ! by Lef de art
Started by Lef de art, 11-03-2019, 04:22 PM
10 responses
2,232 views
0 likes
 Last Post Lef de art
by Lef de art
11-06-2019, 03:04 PM  
New Asrock 775i65g 3.0 with Chemi-con KZG caps - replace now or wait? by xenphor
Started by xenphor, 10-17-2019, 08:10 PM
8 responses
3,160 views
0 likes
 Last Post Per Hansson
by Per Hansson
10-21-2019, 05:08 AM  
Why this UPS is using 1200V IGBTs ? by SistMaticZ
Started by SistMaticZ, 10-08-2019, 10:16 AM
43 responses
6,245 views
0 likes
 Last Post SistMaticZ
by SistMaticZ
10-16-2019, 06:42 AM  
370 VAC 80/7.5 Flow A/C Cap? by Bishop
Started by Bishop, 10-06-2019, 12:56 PM
6 responses
2,547 views
0 likes
 Last Post Bishop
by Bishop
10-12-2019, 08:22 PM  
Help. I'm a newbie. by Ravenous
Started by Ravenous, 12-03-2003, 06:20 PM
8 responses
5,599 views
0 likes
 Last Post Logistics
by Logistics
10-10-2019, 02:59 PM  
Macintosh polymer recap & ESR considerations by JDW.
Started by JDW., 05-15-2019, 11:48 PM
29 responses
6,898 views
0 likes
 Last Post JDW.
by JDW.
10-04-2019, 02:51 AM  
'lytics class action by Curious.George
Started by Curious.George, 09-30-2019, 09:50 AM
7 responses
2,170 views
0 likes
 Last Post Curious.George
by Curious.George
10-02-2019, 01:54 AM  
Component ID and Replacement by StephenU
Started by StephenU, 08-28-2019, 06:22 AM
12 responses
2,767 views
0 likes
 Last Post stj
by stj
09-09-2019, 08:04 AM  
Nichicon RS Series capacitors by Windows-95
Started by Windows-95, 01-06-2011, 10:40 PM
9 responses
7,545 views
0 likes
 Last Post stj
by stj
09-01-2019, 02:26 AM  
Capacitor Identification by yz250f_spud
Started by yz250f_spud, 08-28-2019, 01:00 PM
8 responses
1,957 views
0 likes
 Last Post R_J
by R_J
08-28-2019, 08:20 PM  
Replacing five pin caps by patrickblue
Started by patrickblue, 08-24-2019, 12:31 PM
2 responses
2,040 views
0 likes
 Last Post patrickblue
by patrickblue
08-25-2019, 05:30 AM  
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