Cougar BXM850

Collapse
X
 
  • Time
  • Show
Clear All
new posts
  • Rgyver2
    Member
    • May 2012
    • 17
    • USA

    #1

    Cougar BXM850

    Just picked up a working Cougar BXM850 PSU.
    Noticed that the main input cap is a Teapo LS (420V 560uf).
    appears to be a date stamp on the cap of 09/19 - so is likely to be a bit over 4 years old.
    any recommendations for which cap to use to replace this LS cap?
    Teapo LS spec sheet shows 1600 mA ripple (30x50mm) for this cap. last time i changed a main input cap i used a Rubycon MXK

    i am still looking this over and dont see any other signs of concern. but if someone knows this PSU and has any other recommendations for components to replace, let me know. (secondary caps all look ok but some are teapo. May replace them as well).
    Last edited by Rgyver2; 01-22-2024, 02:14 AM.
  • temyth
    Member
    • Jan 2024
    • 45
    • Brazil

    #2
    Originally posted by Rgyver2
    Just picked up a working Cougar BXM850 PSU.
    Noticed that the main input cap is a Teapo LS (420V 560uf).
    appears to be a date stamp on the cap of 09/19 - so is likely to be a bit over 4 years old.
    any recommendations for which cap to use to replace this LS cap?
    Teapo LS spec sheet shows 1600 mA ripple (30x50mm) for this cap. last time i changed a main input cap i used a Rubycon MXK

    i am still looking this over and dont see any other signs of concern. but if someone knows this PSU and has any other recommendations for components to replace, let me know. (secondary caps all look ok but some are teapo. May replace them as well).
    I wouldnt replace it at all, Teapo aren't that bad (2nd tear). but if you really want to replace it you can replace with a 1st tear capacitor of 105 degrees. these are the 1st tear brand capacitors:
    • Rubycon
    • United Chemi-Con (or Nippon Chemi-Con)
    • Nichicon
    • Sanyo/Suncon
    • Panasonic
    • Hitachi
    • FPCAP or Functional Polymer Capacitor (ex-Fujitsu caps segment, which was bought by Nichicon)
    • ELNA

    Comment

    • Rgyver2
      Member
      • May 2012
      • 17
      • USA

      #3
      Thanks for the reply. the Teapo cap is a 105c but still 2nd tear. I have seen what damage can occur when that main input caps fails.
      I know which brands are good. My question was more or less asking what series would be a suitable replacement. Normally i compare the ripple current rating and ESR. But the LS spec didnt seem to list and ESR for this cap.

      Comment

      Related Topics

      Collapse

      • bauto601
        KDM 480W PSU upgrade succes! (opinions?)
        by bauto601
        Back in 2020 i bought a (2nd hand) compact ATX psu to replace my current one. My PC case only fits very short ATX power supplies so i didn't really have the choice of buying a decent 80Plus unit. The current unit is a modded YoungYear unit that i made a thread about a while ago:
        A "nice" YoungYear unit? - Badcaps

        The "new" unit is a KDM-M6480 480W psu, the 480W number is a typical KDM bullshit claim of course, but the 24A rating on the 12V rail seemed reasonable and the "Active PFC" claim gave me a bit of hope that this was going to be decent-ish....
        12-26-2023, 03:05 PM
      • chth96
        Is it no harm to replace with capacitor without ripple current rating?
        by chth96
        When I tried to repair LG 29 inch CRT TV, I found that the ESR value of samyoung SMS capacitor(160v 2.2uf), which is very close to D1879 transistor, is 6 ohm.


        Judging from above ESR Meter Table,I think It is necessary to replace this sms capacitor.So I visited local electronics shop,and I purchased 160v 2.2uf rubycon YK capacitor.
        But when I browse through rubycon YK datasheet,I found that there is no ripple current rating for 160v 2.2uf specification. But On the contrary, I found 39 mA ripple current rating for 160v 2.2uf SMS capacitor.
        Rubycon YK DataSheet (b...
        04-19-2024, 05:19 AM
      • RetroComputingGrotto
        Opinions/Advice on Do/Should I replace ALL Electrolytic Capacitors on old equipment?
        by RetroComputingGrotto
        I've just been repairing some (very) old speakers with a loud hum that occurred as soon as you powered them on regardless if any actual audio is played through them. I work in a School so it's 99% likey that the Teachers have hardly ever turned the power off on them for well over 10+ years.



        As you can see the top large capacitor on the right has a bulge on the top so defincately needs replacing. As the one next to it is exactly the same capacity and voltage I planned to replace them both.


        What is your advice/opinion on whether or not on old(er)...
        04-03-2024, 08:30 AM
      • chth96
        Is it okay to replace 1/2 watt resistor with 1 watt resistor in AC/DC adapter?
        by chth96
        I have purchased an 100-240v AC/5v 2a DC adaptor from aliexpress,and a month ago It smelled burning when I plugin it powerstrip.
        Since then, This AC/DC adaptor have been out of order.
        But A few days ago,I replace 0.5 watt resistor with 1 watt resistor(1ohm) in this adapter.
        After replacing resistor,It succeed to recharge all of android phone.And When I measure voltage on the two pins of USB port,It shows 5.5v
        Is it okay to replace 1/2 watt resistor with 1 watt resistor in AC/DC adapter?
        And Is there any possibility that it will suddenly explode as well as to be out...
        12-03-2023, 04:40 AM
      • psyduck
        Conformal coating on Samsung U32D970 monitor PSU, do I need to replace after repair?
        by psyduck
        I have a Samsung U32D970 monitor from 2015 I pulled out of the bad hardware pile that turned on and then turned itself back off after a few minutes of use and refused to turn back on. The PSU has part number BN44-00786A, and I found a couple posts about one that had blown with damage to the MOSFETs and PWM controller - but nothing about intermittent failures. I started a new thread and said that I would refresh the solder joints on the board to see if it was just a bad connection and possibly replace the PWM and PFC ICs. I then asked what my next course of action would be after those steps. I...
        11-27-2023, 06:56 PM
      • Loading...
      • No more items.
      Working...