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voltage regulator

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voltage regulator Customers Reviews

  • Very Small Regulator

    posted by SalesDX

    Excelent size for DIY proyects.Support up to 12 volts3.3v Output, perfect for most electronic componentsThe max output current is the 800ma is enough for most of the homemade proyects.is very easy to solderingand you can made you PCB in Eagle
    I use this regulator to connect a bluetooth with a microcontroller, the bluetooth adapter needed a 3.3V, with this regulator I save a lot of space
    I recommended if you have knowledge of electronic
  • Usefull, but a little poor on tolerance

    posted by walker12

    14 types covering 2.7 to 10V range.10 individual zeners for each type.Each type in a separate zipper plastic bag.
    As it was virtually impossible to figure out which bag contained which type,I tested one from each bag with a few mA and then placed a small piece of paper in the bag with the type i writing.However, some values, especially in the lower end of the scope were actually closer to the neighbors.I then tested all 140 zeners in a more controlled environment and created the uploaded plot, where the spread can be seen for each type.I here used a constant current at 5.2 mA from a KA317 and a 243 Ohm resistor.5v1 was found to be the narrowest closely followed by 6v8. Both types were within +/- 1.8% of expected value.Worst (relatively) was 3.3V, which went down to almost 9% too low.The rest stayed within +/- 6%, but only 8 out of the 14 types stayed within +/-5%.4v3 would have made it too, had the expected value been 4.5V.Two items were found burned (shorted, 2v7 and 5v6 one each), but that may very well have been me to blame.
    Not a bad selection, but a little weak in tolerance? If you know how to check them, go ahead and use them.
  • Great boost converter with stable power

    posted by bear123

    - stable voltage- effiecency is very good- able to boost variably and accurately - fuse- green power LED
    - I modded mine with sku 187376 (mini voltage meter V20D) on the output so I can see the voltage at all times under load. This is an easy mod and well worth the time spent. - I tested this boost convertor with 10 x 1.2v NIMH AA batteries running at 12v and I was able to get a maximum stable output of 26.2v at 76 watts or 2.9 amps. This is very good results for rechargeable NIMH AA battery power source. I will test next with some larger DC input power source and I will assume I will be able to boost to higher stable voltage but not exceeding the input output specs of this boost converter. Seems very efficient and provides smooth adjustable power. You can adjust the output as fine as 2 decimal places easily. What I mean is the adjustment provides fine tuning so I can dial in lets say 15.24v or 28.15v exactly as a random example. Once under load depending on the input power source the voltage will likely drop a little or a lot which is expected.
    Seems to be a great quality boost converter so far. Its small and did not create much heat with an output of 26.2v at 76w for about 5 min. I would think the 150w rating is fair for maximum spec for this unit. I would not advise exceeding this.
  • Good set

    posted by Gekkie

    Great set for beginners that are tinkering with electronics. Has most Zeners you would need when playing around
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    Good stuff, good price, good fun.
  • Great quality component!

    posted by sadgoat

    Nicely built compact adjustable voltage drop adjustable. Switch allows to view input and output in a nicely sized display. Adjustment screw is nicely sized to not be easily mis-adjusted. Voltage display switch is also conveniently located.
    Comes with stand offs and build quality appears to be very good. Using this drop a 12 volt gel cell down to 5 volts for a remote camera.///////////
    Great value for a well built component. Set screws for lead attachment appear to be quality and tighten down snuggly. I found that an oversize plastic TicTac box makes a good case to mount the regulator in.


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