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5v switching power supply

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5v switching power supply Customers Reviews

  • Decent power supply for driving micro-controllers/relay

    posted by d33g

    -Came in a sturdy/decent package that could have been mounted if need be-The voltage output of the power supply was pretty solid considering they are 5 dollars a piece-Potentiometer was picked correctly for an easy calibration.
    -Would be nice if an on/off switch was added for the DC output. Other then that well put together.
    For $5 what a deal! I bought 2! Use them in a school project to drive 5 relays through a uln2803, handled it with ease. Markings were easy and well placed. Ground and live was properly marked unlike the previous comment posted.
  • Good small power source.

    posted by tnvd

    Small compact power supply which delivers a rock solid, stable, 5V. There is a pot to fine-adjust the output voltage. The case has enough perforated holes to get it ventilated. The power transistors are mounted to solid aluminium heatsink which is part of the housing.Good powersupply once you have checked it.
    You have to check the pcb on almost short circuit wires from the components.Also apply heat transfer compound yourself
    Cheap. Does the job once checked. Get one.
  • Really small!

    posted by Polonium

    This is a really small switching power supply!!Line side has a varistor, thus some kind of surge suppression is provided.Output voltage: 5.10V (no load)When no load is attached, a witched power supply draws about NOTHING current. Ideal green replacement for those old bulky transformers.
    Still didn't measure ripple at maximum load (will put results soon), but according the specs it is around 150mV (according the specs it is 150 mW, but that is probabely a bug...)
    Nice, cheap and small switching power supply.Not worth making one youself......


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