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Forums › Gadgets, robotics, home automation, electronics (including wearables) › Please advise if this transformer will be ok


Mad Scientist
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Topic # 127475 11-Aug-2013 23:23
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Hi I have an American 120v 12.7W ---> DC 9V 800mA plug for a home audio device that is only available in USA market that I can't do without.

Will this thing work?

If not - what specs do I need to be looking out for?

Thanks




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Mad Scientist
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  Reply # 875546 11-Aug-2013 23:25
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actually I feel a little dumb - coz it will still depend on if the socket fits my device - but assuming it can, will the specs work? cheers




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  Reply # 875564 12-Aug-2013 03:19
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The 9V model will work, as it can deliver 1A while you need 0.9A.

You need to check the connector size and it's polarity, the marking in the photo shows centre positive.

I'm concerned there is no manufacturer's name on the product, and searching for the part number brings up no brand name either.

I'm most concerned that there is no A-Tick (or the obsolete C-Tick) mark, which is approvals for connecting to the NZ mains power supply. This involves safety testing. In the past week it was announced Apple is giving away phone/pad chargers at cost price after a lady in China got electrocuted from using a cheap after market charger. I would not risk my safety when it comes to mains (or cheap Li-Ion batteries).

I'd suggest this one http://www.jaycar.co.nz/productView.asp?ID=MP3484&keywords=9v&form=KEYWORD




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Mad Scientist
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  Reply # 875578 12-Aug-2013 08:13
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thanks for the pointers




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