Some rough, approximate information about capacitors (popular brands in Russia: Jamicon and Samwha).
I tested capacitors at home using an XJW01 tester, at 1 kHz. I bought a DIY kit with a coupon for 500 RUB; delivery to Western Siberia took 20 days. My review is here: CLICK. The important information is in this REVIEW, but on Muska; the last comment has calibration information, instructions, and so on. Just read it carefully. After assembly, reset the device to factory settings.
Almost all the capacitors came from a local shop in town. Only the Rubycon and Panasonic ones came from China. There may be duplicates in the list, and there could be an error somewhere. I did all this late in the evening; some capacitors (of the same type) were in different bags and had been bought at different times. I just tested them all one after another and wrote down the results in Windows Notepad.
First, the common capacitors: 1000uF/25V, 680uF/25V, 1000uF/35V.
Samwha RD 25V/ 1000uF - 871-894uF/ 50.5-55 mΩ. Panasonic FR 25V/ 1000uF - 971uF/ 20.7mΩ. Jamicon TK 25V/1000uF - 850uF/69.7-71.5 mΩ - These are 10/20mm in size.
Samwha WL 25V/1000uF - 900uF/ 47.6-49mΩ - These are 12.5/20mm in size.
35V/1000uF capacitors.
Rubycon YXF 35V/ 1000uF - 885uF/45.3-46.0 mΩ. Jamicon TK 35V/1000uF - 916uF/50.5-51.4 mΩ - Size 12.5/20mm.
25V/680uF capacitors.
Samwha RD 25V/680uF - 585uF/ 76.5mΩ.
The rest of the capacitors.
Jamicon WL 2200uf/16V - 2200uF/18.3mΩ. Samwha RD 50V/10uF - 8.4-9 uF/2.1-2.8 Ω. Samwha WL 50V/33uF - 31uF/0.43 to 0.6 Ω. Jamicon TL 63V/22uF - 21uF/480 mΩ-0.5 Ω. Jamicon TL 35V/22uF - 19.5uF/0.8 Ω. Jamicon TL 63V/22uF - 21.5uf/ 0.45-0.49 Ω. Jamicon TK 22uF/50V - 18uf/ 1.59 Ω. Jamicon TK 33uF/50V - 27uF/0.85-0.96 Ω. Jamicon TK 470uF/35V - 420uF/ 71-76 mΩ, Jamicon TK 220uF/35V - 197uF/180-190 mΩ. Jamicon TK 10uF/400V - 9uF/ 1.5-1.6 Ω. Jamicon TK 4,7uF/450V - 4.5uF/6.5 Ω.
Samwha RD 63V/47uF - 45uf/ 0.5 Ω. Jamicon TK 100uF/50V - 100uF/ 370-385 mΩ. Jamicon TK 1uF/100V - 850nF/ 10.8-14 Ω. Jamicon TK 2,2uF/100V - 1980nF-2.1uF/ 3.4-3.7 Ω. Jamicon TK 4,7uF/100V - 4.5uF-4.7 /4.2-4.9 Ω. Jamicon TK 22uF/400V - 20uF/ 1.7-1.79 Ω.
Jamicon WL 16V/ 680uF - 600uF/ 36.5-37.3mΩ. Jamicon WL 10V/ 1500uF - 1520-1545uF/ 24.5-25 mΩ. Jamicon WL 25V/ 470uF - 460uF/ 36.5mΩ. Panasonic FL 16V/ 1000uF - 855uf-895uF/ 21.5-22.6mΩ. Jamicon TK 100V/1000uF - 845-857uF/ 34.6-35.5mΩ. Jamicon TK 16V/2200uF - 1845uf/ 51-52.4 mΩ. Jamicon TK 35V/3300uF - 3090uf/ 23.3mΩ.
Jamicon WL 25V/ 3300uF - 2940uF/ 15.5mΩ. Jamicon WL 16V/ 1200uF - 1080-1160uF/ 27-29mΩ. Nichicon 35V/680uF
- 660uF/ 27mΩ. Samwha RD 16V/ 470uF - 390uF/ 175-200mΩ. Samwha RD 63V/470uF - 415uF/112.5-116mΩ. Samwha RD 63V/220uF - 192uF/ 206.5-208 mΩ.
Jamicon TK 16V/6800uF - 6100uF/ 22.8mΩ. Samwha RD 10V/3300uF - 2805uF/ 42-43.5mΩ. Jamicon WL 6,3V/ 2200uF - 2100uF/ 24.5mΩ. Jamicon WL 6,3V/ 2700uF - 2705uF/ 19.5-20.0mΩ. Jamicon WL 6,3V/ 4700uF - 4505uF/ 16.5mΩ. Jamicon WL(thick) 6,3V/ 4700uF - 4630uF/ 22.5mΩ. Jamicon WL 10V/ 1800uF - 1910-2040uf/ 19.5-20.5mΩ.
ECD CS (with DPS) 63V/ 470uf - 440uF/ 52-55mΩ. Samwha WL 63V/470uF - 430uF/ 43.5-45 mΩ. Samwha WL 63V/220uF - 193uF/ 199-207mΩ. Jamicon TK 63V/330uF - 300uF/ 107mΩ.
Jamicon WL 25V/3300uF - 2960uF/ 14.5mΩ. Jamicon WL 16V/3300uF - 3130uF/ 16.0 mΩ. Samwha RD 50V/2200uF - 1950uF/ 20.7-21.3mΩ.
Jamicon WL 16V/ 1800uF - 2030uF/ 22.0 mΩ.
A few words about used transistors. I bought a few as spares for the load and just in case. I chose the IRFP460A and W20NM60.
No issues at all with the W20NM60s. The transistors are used, as they should be. The date, batch, and factory markings are correctly different. New leads have been welded on. The backing plate is copper, and the die is a normal size.
DIE PHOTO W20NM60.
As for the IRFP460A - the transistors are used, but on these particular IRFP460As the old factory markings have been sanded off and identical new markings applied. The leads are welded on. The backing plate is copper, and the die is a normal size.
DIE PHOTO IRFP460A
Reliable stores for new genuine transistors and diodes: CLICK, CLICK and CLICK.
A reminder about good solder in Russia, if you live in a small town. Buy Zubr POS 61 solder at DNS/Technopoint: Zubr POS 61 or Rexant. Or just search there for Zubr POS 61 or Rexant solder. In China, buy solder (using coupons) only in 450 g or larger spools. Blue KAINA or MECHANIC HX-T100. Smaller spools work out too expensive per gram.
That's about it from me. Good luck, everyone.
Almost all the capacitors came from a local shop in town. Only the Rubycon and Panasonic ones came from China. There may be duplicates in the list, and there could be an error somewhere. I did all this late in the evening; some capacitors (of the same type) were in different bags and had been bought at different times. I just tested them all one after another and wrote down the results in Windows Notepad.
First, the common capacitors: 1000uF/25V, 680uF/25V, 1000uF/35V.
Samwha RD 25V/ 1000uF - 871-894uF/ 50.5-55 mΩ. Panasonic FR 25V/ 1000uF - 971uF/ 20.7mΩ. Jamicon TK 25V/1000uF - 850uF/69.7-71.5 mΩ - These are 10/20mm in size.
Samwha WL 25V/1000uF - 900uF/ 47.6-49mΩ - These are 12.5/20mm in size.
35V/1000uF capacitors.
Rubycon YXF 35V/ 1000uF - 885uF/45.3-46.0 mΩ. Jamicon TK 35V/1000uF - 916uF/50.5-51.4 mΩ - Size 12.5/20mm.
25V/680uF capacitors.
Samwha RD 25V/680uF - 585uF/ 76.5mΩ.
The rest of the capacitors.
Jamicon WL 2200uf/16V - 2200uF/18.3mΩ. Samwha RD 50V/10uF - 8.4-9 uF/2.1-2.8 Ω. Samwha WL 50V/33uF - 31uF/0.43 to 0.6 Ω. Jamicon TL 63V/22uF - 21uF/480 mΩ-0.5 Ω. Jamicon TL 35V/22uF - 19.5uF/0.8 Ω. Jamicon TL 63V/22uF - 21.5uf/ 0.45-0.49 Ω. Jamicon TK 22uF/50V - 18uf/ 1.59 Ω. Jamicon TK 33uF/50V - 27uF/0.85-0.96 Ω. Jamicon TK 470uF/35V - 420uF/ 71-76 mΩ, Jamicon TK 220uF/35V - 197uF/180-190 mΩ. Jamicon TK 10uF/400V - 9uF/ 1.5-1.6 Ω. Jamicon TK 4,7uF/450V - 4.5uF/6.5 Ω.
Samwha RD 63V/47uF - 45uf/ 0.5 Ω. Jamicon TK 100uF/50V - 100uF/ 370-385 mΩ. Jamicon TK 1uF/100V - 850nF/ 10.8-14 Ω. Jamicon TK 2,2uF/100V - 1980nF-2.1uF/ 3.4-3.7 Ω. Jamicon TK 4,7uF/100V - 4.5uF-4.7 /4.2-4.9 Ω. Jamicon TK 22uF/400V - 20uF/ 1.7-1.79 Ω.
Jamicon WL 16V/ 680uF - 600uF/ 36.5-37.3mΩ. Jamicon WL 10V/ 1500uF - 1520-1545uF/ 24.5-25 mΩ. Jamicon WL 25V/ 470uF - 460uF/ 36.5mΩ. Panasonic FL 16V/ 1000uF - 855uf-895uF/ 21.5-22.6mΩ. Jamicon TK 100V/1000uF - 845-857uF/ 34.6-35.5mΩ. Jamicon TK 16V/2200uF - 1845uf/ 51-52.4 mΩ. Jamicon TK 35V/3300uF - 3090uf/ 23.3mΩ.
Jamicon WL 25V/ 3300uF - 2940uF/ 15.5mΩ. Jamicon WL 16V/ 1200uF - 1080-1160uF/ 27-29mΩ. Nichicon 35V/680uF
- 660uF/ 27mΩ. Samwha RD 16V/ 470uF - 390uF/ 175-200mΩ. Samwha RD 63V/470uF - 415uF/112.5-116mΩ. Samwha RD 63V/220uF - 192uF/ 206.5-208 mΩ.
Jamicon TK 16V/6800uF - 6100uF/ 22.8mΩ. Samwha RD 10V/3300uF - 2805uF/ 42-43.5mΩ. Jamicon WL 6,3V/ 2200uF - 2100uF/ 24.5mΩ. Jamicon WL 6,3V/ 2700uF - 2705uF/ 19.5-20.0mΩ. Jamicon WL 6,3V/ 4700uF - 4505uF/ 16.5mΩ. Jamicon WL(thick) 6,3V/ 4700uF - 4630uF/ 22.5mΩ. Jamicon WL 10V/ 1800uF - 1910-2040uf/ 19.5-20.5mΩ.
ECD CS (with DPS) 63V/ 470uf - 440uF/ 52-55mΩ. Samwha WL 63V/470uF - 430uF/ 43.5-45 mΩ. Samwha WL 63V/220uF - 193uF/ 199-207mΩ. Jamicon TK 63V/330uF - 300uF/ 107mΩ.
Jamicon WL 25V/3300uF - 2960uF/ 14.5mΩ. Jamicon WL 16V/3300uF - 3130uF/ 16.0 mΩ. Samwha RD 50V/2200uF - 1950uF/ 20.7-21.3mΩ.
Jamicon WL 16V/ 1800uF - 2030uF/ 22.0 mΩ.
A few words about used transistors. I bought a few as spares for the load and just in case. I chose the IRFP460A and W20NM60.
No issues at all with the W20NM60s. The transistors are used, as they should be. The date, batch, and factory markings are correctly different. New leads have been welded on. The backing plate is copper, and the die is a normal size.
DIE PHOTO W20NM60.
As for the IRFP460A - the transistors are used, but on these particular IRFP460As the old factory markings have been sanded off and identical new markings applied. The leads are welded on. The backing plate is copper, and the die is a normal size.
DIE PHOTO IRFP460A
Reliable stores for new genuine transistors and diodes: CLICK, CLICK and CLICK.
A reminder about good solder in Russia, if you live in a small town. Buy Zubr POS 61 solder at DNS/Technopoint: Zubr POS 61 or Rexant. Or just search there for Zubr POS 61 or Rexant solder. In China, buy solder (using coupons) only in 450 g or larger spools. Blue KAINA or MECHANIC HX-T100. Smaller spools work out too expensive per gram.
That's about it from me. Good luck, everyone.
This page was found when searching for:
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Questions and answers
How were the capacitors measured in the article?
Measurements were taken with an XJW01 at 1 kHz. The author notes that the list may contain duplicates and errors.
What did the Panasonic FR 1000 uF/25 V measure?
Its measured capacitance was 971 uF and its ESR was 20.7 mOhm.
What does the author report about the used W20NM60 and IRFP460A transistors?
The W20NM60 had markings that varied by date, batch and factory, and its leads were welded on. The old markings on the IRFP460A had been ground off and replaced with identical new ones; the author says both types had copper bases and crystals of normal size.
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