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Search: Posts Made By: mockingbird
Forum: General Capacitor Questions & Issues 02-22-2021, 01:11 PM
Replies: 5
Views: 285
Posted By mockingbird
Re: Nichicon PC(M) replacement

Here is a datasheet for Nichicon PC...

If you want to be strict about it, you could use an automotive-grade cap like RX30 or similar.
...
Forum: General Computer & Tech Discussion 12-29-2020, 01:22 PM
Replies: 26
Views: 2,144
Posted By mockingbird
Re: Wiring ethernet in new office

I've had good results with the BCM4708 but not the BCM4709.

I think Broadcom is playing games with the engineering of the die bumps or the underfill, but for whatever reason, the BCM4709 just...
Forum: General Capacitor Questions & Issues 12-10-2020, 01:16 PM
Replies: 1
Views: 491
Posted By mockingbird
Re: Infamous Rubycon MFZ... Current recommended replacements???

I managed to buy a small quantity of Nichicon HZ 6.3v 3300uF for old jobs, but you don't need to use Nichicon HZ.

You can use something like this instead:...
Forum: General Capacitor Questions & Issues 12-01-2020, 02:14 PM
Replies: 68
Views: 7,886
Posted By mockingbird
Re: Panasonic FC series - leaking? quality gone?

Yes:

https://badcaps.net/forum/attachment.php?attachmentid=224809&stc=1&d=1606853188

https://badcaps.net/forum/attachment.php?attachmentid=224810&stc=1&d=1606853188

I tested the capacity and...
Forum: General Capacitor Questions & Issues 11-29-2020, 08:20 PM
Replies: 68
Views: 7,886
Posted By mockingbird
Re: Panasonic FC series - leaking? quality gone?

LXA, LXV and LXF are obsolete though, no?

Elna is difficult to get, neither Mouser, Digikey or Newark/Farnell stock them, unless things have changed.

Look at the datasheet for PX. PX is a...
Forum: General Capacitor Questions & Issues 11-29-2020, 06:58 PM
Replies: 68
Views: 7,886
Posted By mockingbird
Re: Panasonic FC series - leaking? quality gone?

So PL and PR (obsolete) and PS/PM are to be avoided in that case...

So since FC is out of the picture, we're left with PW and LXY/LXZ for good, enduring non-aqueous parts...

I'm going back on...
Forum: General Capacitor Questions & Issues 10-20-2020, 04:04 PM
Replies: 30
Views: 2,033
Posted By mockingbird
Re: 4700uF 6.3v and 3300uF 16v in a 10mm Diameter

I disagree with this characterization. I think SMG uses better materials than KMG. I believe they do better in the long term (at standard temperatures that is).

The reason for my logic is that...
Forum: General Capacitor Questions & Issues 10-20-2020, 10:03 AM
Replies: 30
Views: 2,033
Posted By mockingbird
Re: 4700uF 6.3v and 3300uF 16v in a 10mm Diameter

I think SMG is overall superior to KMG for general purpose applications. True, SMG is 85c and KMG is 105c, but IIRC, SMG is 2000h @ 85c while KMG is 1000h @ 105c. I use SMG in wall warts where I...
Forum: General Capacitor Questions & Issues 10-18-2020, 06:06 PM
Replies: 30
Views: 2,033
Posted By mockingbird
Re: 4700uF 6.3v and 3300uF 16v in a 10mm Diameter

I'm still in touch with Joe on occasion. You can still reach him through the Chinese apps. Last I spoke with him he said he could still get Samxon but I think I decided to go with local...
Forum: General Capacitor Questions & Issues 10-18-2020, 05:03 PM
Replies: 30
Views: 2,033
Posted By mockingbird
Re: 4700uF 6.3v and 3300uF 16v in a 10mm Diameter

Our forum member Behemot (https://badcaps.net/forum/member.php?u=15285) sells custom made UCC KZN 16V 3300uF capacitors which are 10mm and quite tall and I highy recommend them.

He sells them...
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 08-18-2020, 06:10 PM
Replies: 124
Views: 95,310
Posted By mockingbird
Re: [HOWTO] Fix/Repair "Chassis Intruded Fatal Error System Halted" on Asus P5QL

It's been some time, finally making some progress with old projects here...

I found the diode, it tests fine. It comes after a resistor marked 01B (1Kohm) which tests fine. There is a 0.2V...
Forum: General Capacitor Questions & Issues 08-10-2020, 04:15 PM
Replies: 68
Views: 7,886
Posted By mockingbird
Re: Panasonic FC series - leaking? quality gone?

Huh, PM? PW is supposed to be a miniaturized analog of PM.... That's not very reassuring. Don't they both use the same non-aqueous electrolyte?

It would be nice to use only LXZ, but NCC caps...
Forum: General Capacitor Questions & Issues 07-31-2020, 12:29 PM
Replies: 9
Views: 1,405
Posted By mockingbird
Re: Very old Sanyo OS-CONs. Safe to use?

I would certainly not use old OS-CON caps. They do in fact deteriorate. Just open it up and see for yourself. The polymer dielectric should be a moist, glossy black but you will often find in old...
Forum: General Capacitor Questions & Issues 07-27-2020, 08:20 PM
Replies: 68
Views: 7,886
Posted By mockingbird
Re: Panasonic FC series - leaking? quality gone?

A bit late to the conversation, but the obvious question would be about Nichicon's FC equivalent which is PW.
Forum: Troubleshooting Power Supplies and Power Supply Design 10-28-2019, 10:33 PM
Replies: 11
Views: 1,067
Posted By mockingbird
Re: Capacitive dropper supplies not lasting

Very informative and constructive post Per! Just to make a small correction the cap you reference is Kemet, not EPCOS.
Forum: General Capacitor Questions & Issues 07-31-2019, 04:54 AM
Replies: 12
Views: 1,257
Posted By mockingbird
Re: Question about bipolar electrolytics

Someone on this forum mentioned once that they eventually become polarized.

Mr. Carlson on Youtube also has a video on how film caps really are actually polar caps.

I guess the only real...
Forum: General Capacitor Questions & Issues 07-09-2018, 10:53 AM
Replies: 109
Views: 47,639
Posted By mockingbird
Re: How to Recondition (Reform) Electrolytic Capacitors and Why

I bought an ESR meter kit based on an old design (ESR Go) so that I could proceed with this project. I started putting the kit together a while back (SMT soldering with a heat gun) and it came out...
Forum: Troubleshooting Power Supplies and Power Supply Design 05-25-2018, 08:53 AM
Replies: 51
Views: 9,928
Posted By mockingbird
Re: Hard Drive Power Supplies

Just a heads up...

Newer PSUs will (or should?) come with a four wire SATA power connector instead of the usual 5.

Pin 3, which was formerly used for 3.3V is now being used to signal power...
Forum: General Computer & Tech Discussion 05-18-2018, 08:33 AM
Replies: 26
Views: 3,014
Posted By mockingbird
Re: BUDGET 4K graphics cards

I think the highest 3xxx AGP series card is faster than the 4670.

HDMI, no, but DisplayPort yes.
Forum: General Computer & Tech Discussion 05-17-2018, 07:41 PM
Replies: 26
Views: 3,014
Posted By mockingbird
Re: BUDGET 4K graphics cards

You're completely right. Before they were swallowed up by AMD, they were the quaint, odd, eccentric company which you dabbled with, sometimes to your delight, and sometimes to your dismay.

Had a...
Forum: General Computer & Tech Discussion 05-17-2018, 04:08 PM
Replies: 26
Views: 3,014
Posted By mockingbird
Re: BUDGET 4K graphics cards

If you want it to 'just work', get nVidia...

If you want to spend hours fiddling with weird bugs, finding out about things that don't work properly which fanboys will insist are actually features,...
Forum: General Capacitor Questions & Issues 05-13-2018, 11:03 AM
Replies: 5
Views: 1,544
Posted By mockingbird
Re: Replacing Rubycon CE W with Rubycon YXF

What's wrong with using a Low-ESR cap after the bridge rectifier on a linear power supply?
Forum: Equipment Usage, Soldering, Techniques, and Reviews 05-11-2018, 07:36 AM
Replies: 194
Views: 77,924
Posted By mockingbird
Re: CH341a SPI / IC programmer

The shorter connectors with the fine pitch are also common in LCDs, and are often used as interconnects. I reckon a USB3 header cable would also be suitable.

You can also either take the leads...
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 05-06-2018, 08:20 AM
Replies: 124
Views: 95,310
Posted By mockingbird
Re: [HOWTO] Fix/Repair "Chassis Intruded Fatal Error System Halted" on Asus P5QL

I have a P5K-E that basically ignores the CMOS battery... If power is disconnected from the system completely, it loses all the BIOS settings. Is this also because of a weak transistor?

Thanks
Forum: BIOS Requests ONLY! 04-25-2018, 05:18 PM
Replies: 26
Views: 4,581
Posted By mockingbird
Re: bios chip problem after 100% programmed using CH341A!

Thanks for that... Just keep in mind that that build is a year old...

Maybe it's possible your dump is for the discrete video motherboard, and your motherboard uses integrated video, or vice...
Showing results 1 to 25 of 500

 
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