General Capacitor Questions & Issues

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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 26,545 views 0 likes	Last Post 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 574,373 views 0 likes	Last Post 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 615,476 views 0 likes	Last Post 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 326,073 views 0 likes	Last Post 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 100,157 views 0 likes	Last Post 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 124,344 views 0 likes	Last Post 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 76,202 views 0 likes	Last Post by andrewsawesomr 09-13-2023, 08:03 PM
Electric Button Breaker Thermal Overload Protection by SolomonMan Started by SolomonMan, 10-17-2022, 07:52 AM	8 responses 1,694 views 0 likes	Last Post by SolomonMan 12-07-2022, 08:41 AM
Fake polymers? by xnRS Started by xnRS, 11-26-2022, 10:02 AM	16 responses 3,015 views 0 likes	Last Post by xnRS 11-27-2022, 11:59 AM
Is there datasheet for nichicon LXJ series? by chth96 Started by chth96, 11-20-2022, 08:11 AM	2 responses 1,139 views 0 likes	Last Post by PeteS in CA 11-21-2022, 12:00 PM
Door Central Locking System by Walter Graham Robinson Started by Walter Graham Robinson, 11-14-2022, 07:21 AM	4 responses 1,112 views 0 likes	Last Post by Walter Graham Robinson 11-21-2022, 11:24 AM
purchasing caps from aliexpress by chth96 Started by chth96, 11-07-2022, 02:13 AM	16 responses 2,726 views 0 likes	Last Post by AleXis6 11-20-2022, 09:59 AM
Is ESR value different between on Circuit and off Circuit? by chth96 Started by chth96, 11-19-2022, 04:32 AM	1 response 972 views 0 likes	Last Post by Per Hansson 11-19-2022, 05:22 AM
I need some 500v screw type capacitors. Kemet any good? by Cartel Started by Cartel, 11-09-2022, 08:13 AM	5 responses 1,202 views 0 likes	Last Post by Cartel 11-19-2022, 01:15 AM
Should I replace polymer capacitor? by chth96 Started by chth96, 11-18-2022, 04:22 AM	9 responses 1,343 views 0 likes	Last Post by chth96 11-18-2022, 08:26 PM
Need to get specs for this electrolytic cap please by lightbeing Started by lightbeing, 11-15-2022, 06:22 PM	5 responses 1,120 views 0 likes	Last Post by lightbeing 11-18-2022, 11:44 AM
Ancient capacitor? by mrkmpn Started by mrkmpn, 11-15-2022, 05:09 PM	4 responses 1,054 views 0 likes	Last Post by mrkmpn 11-16-2022, 09:06 AM
HUGE caps by Shagreobe Started by Shagreobe, 11-02-2022, 04:33 PM	4 responses 1,077 views 0 likes	Last Post by Cartel 11-09-2022, 10:58 AM
degradation of solid state capacitors in motherboards? by amelbye Started by amelbye, 11-06-2022, 10:35 AM	3 responses 1,184 views 0 likes	Last Post by RJARRRPCGP 11-09-2022, 12:54 AM
Caps discoloring by Runnerboys Started by Runnerboys, 11-06-2022, 10:42 PM	5 responses 987 views 0 likes	Last Post by Runnerboys 11-07-2022, 04:44 PM
AisHi? by Bishop Started by Bishop, 01-25-2018, 10:47 AM	10 responses 3,981 views 0 likes	Last Post by Topcat 11-02-2022, 12:03 PM
belkin f8e846ukbndl-db wireless keyboard by petehall347 Started by petehall347, 10-29-2022, 06:21 PM	0 responses 816 views 0 likes	Last Post by petehall347 10-29-2022, 06:21 PM
Help identifying capacitor by kalemaroni Started by kalemaroni, 10-26-2022, 01:17 PM	4 responses 1,079 views 0 likes	Last Post by R_J 10-26-2022, 06:48 PM
Closed: Question electrolytic capacitor from 1990`s by gamer87 Started by gamer87, 09-28-2021, 01:06 PM	35 responses 9,741 views 0 likes	Last Post by SMDFlea 10-20-2022, 04:53 AM
How do I find the correct capacitors? by greystash Started by greystash, 10-18-2022, 06:24 PM	0 responses 840 views 0 likes	Last Post by greystash 10-18-2022, 06:24 PM
Does higher voltage tolerance mean more robust? by EasyGoing1 Started by EasyGoing1, 10-17-2022, 12:10 AM	2 responses 977 views 0 likes	Last Post by AleXis6 10-17-2022, 11:26 PM
R M cd293 by spiros.p Started by spiros.p, 10-08-2022, 11:02 AM	1 response 852 views 0 likes	Last Post by Uranium-235 10-15-2022, 06:33 PM
Supercapacitors/EDLCs...why are they failing? by eccerr0r Started by eccerr0r, 10-03-2022, 07:50 PM	10 responses 1,687 views 0 likes	Last Post by stj 10-08-2022, 04:35 PM
Audio rated caps - is it ok to use ‘audio’ rated caps on a non audio device by Phil289 Started by Phil289, 09-25-2022, 03:02 PM	17 responses 1,641 views 0 likes	Last Post by stj 09-27-2022, 01:46 AM
Ultra low ESR. Much confusion! by keldeo Started by keldeo, 09-03-2022, 12:56 AM	16 responses 2,632 views 0 likes	Last Post by keldeo 09-20-2022, 11:01 AM
Chengx by spiros.p Started by spiros.p, 09-09-2022, 11:10 AM	6 responses 5,806 views 0 likes	Last Post by spiros.p 09-11-2022, 01:01 AM
KZG Capacitor Replacement Advice by tom8352 Started by tom8352, 09-07-2022, 06:45 AM	2 responses 978 views 0 likes	Last Post by tom8352 09-07-2022, 08:43 AM
Could use some help identifying cap :) by theman89 Started by theman89, 09-04-2022, 05:39 PM	1 response 793 views 0 likes	Last Post by andrewsawesomr 09-05-2022, 03:01 AM
Mid/late 80's Nichicon Yellow Caps by nick3092 Started by nick3092, 08-28-2022, 03:56 PM	2 responses 1,155 views 0 likes	Last Post by PeteS in CA 08-28-2022, 06:26 PM
EPCOS Cap Replacement by Wet_Cap Started by Wet_Cap, 08-28-2022, 12:00 AM	2 responses 859 views 0 likes	Last Post by diif 08-28-2022, 03:03 AM
What's with Kapton tape on vents? by redwire Started by redwire, 05-02-2022, 11:54 PM	3 responses 1,434 views 0 likes	Last Post by cavisco 08-24-2022, 04:09 PM
Capacitor Identification by Greenacre Started by Greenacre, 08-19-2022, 05:03 AM	13 responses 1,971 views 0 likes	Last Post by redwire 08-22-2022, 08:39 PM
Blown cap on old dwell gauge - kal equip 2851 by snakeintheeaglesshadow Started by snakeintheeaglesshadow, 07-11-2022, 04:14 PM	29 responses 3,163 views 0 likes	Last Post by redwire 08-10-2022, 04:37 PM
Nichicon - discontinuing many electrolytic capacitor series by redwire Started by redwire, 07-27-2022, 10:35 PM	13 responses 3,552 views 0 likes	Last Post by redwire 08-10-2022, 04:33 PM
Single capacitor replacement on arcade pcb by GKdays Started by GKdays, 08-09-2022, 05:21 AM	1 response 941 views 0 likes	Last Post by stj 08-09-2022, 07:53 AM
solid polymer electrolytic capacitor go boom? by eccerr0r Started by eccerr0r, 07-25-2022, 07:12 AM	10 responses 1,362 views 0 likes	Last Post by PeteS in CA 08-04-2022, 10:50 AM
this look defective to you? by link626 Started by link626, 08-02-2022, 07:02 PM	3 responses 925 views 0 likes	Last Post by redwire 08-02-2022, 11:30 PM
Any good references for variable capacitor design? by Ady2017 Started by Ady2017, 07-24-2022, 04:35 AM	13 responses 1,416 views 0 likes	Last Post by stj 07-30-2022, 02:59 AM
Nichicon FW on power supply? by felipeunix Started by felipeunix, 07-24-2022, 09:14 PM	1 response 1,368 views 0 likes	Last Post by spiros.p 07-27-2022, 01:37 AM
Need to identify these caps please by lightbeing Started by lightbeing, 07-13-2022, 03:02 PM	4 responses 1,619 views 0 likes	Last Post by lightbeing 07-14-2022, 06:27 PM
P4C800 Deluxe broken cap by 4th3m Started by 4th3m, 07-04-2022, 11:17 AM	12 responses 1,847 views 0 likes	Last Post by 4th3m 07-12-2022, 08:27 AM
Filter Cap AC Ripple Questions by Crystaleyes Started by Crystaleyes, 05-20-2022, 08:13 AM	4 responses 1,294 views 0 likes	Last Post by keeney123 07-05-2022, 08:58 PM

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General Capacitor Questions & Issues