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Yes, it will work. For example a 3 ton jack will pick up a 1 ton car. The ratings on a power supply are the maximum.

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βˆ™ 2005-06-14 00:52:27
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Q: Can you use a 12V DC 1A powerpack on a device that originally required a 12V DC 500mA one?
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Can you use a 12V 500mA switching adapter on device that originally required a 12V 2A?

Not for very long. If the device actually requires 2A in order to do its job, then the adapter ... which is only designed to deliver 0.5A or less ... will get warm, then overheat, and then fail. Possibly in as little as a few seconds.


Can you use a 9v 1000ma intsead of a 9v 500ma?

A 9v 1000ma adapter will operate a 9v 500ma device.


Will 9v 500mA power adapter work with your 9v 300mA device?

Yes! It will work well because your device needed only 300mA, but the adapter can afford until 500mA.


Is it ok to use a 5v 1A AC adapter for a device when the original adapter is supposed to be 5V 500mA - will it damage the device?

the excess 500mA will not be used, hence, it will not damage your device. Just make sure you have the proper voltages.


For a device requiring DC 9V 1000mA will a DC adapter output 9V 500mA also work for this device?

A device which requires 1000mA at 9 volts in order to operate will not work from an output of 500mA. This output is only half the power requirement of the device.


Can you use a 9V 100mA adapter on a 9V 500mA device?

No, the 100mA adapter is too small. The adapter that can be used has to be at least 500mA or larger.


Can you use a 12V - 300mA adapter for a device that calls for a 12V 500mA adapter?

NO


Is a 9V 500mA output suitable for a 9V 1500mA device?

No there is not enough capacity in the 500 mA output device to operate a 1500 mA device.


Can you use a 12V dc 500mA ac adaptor in place of a 9V dc 500mA?

No, the 12 volt adapter's output voltage is too high for a 9 volt device.


Can you use a 15V 4A DC adapter for a device that requires 15V 500mA?

Yes, that will be safe.


Can a 12V 2A adapter be used for a 12V 500mA device?

The adapter's voltage must match that of the device, and its current-rating must exceed that of the device. So the answer is yes.


Can you use 9V 500mA adapter for 9v 700mA 6.3VA device?

yes, if the other adapter is a va

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