Friday, February 19

QUESTION



When you replace a capacitor in a power supply, is there a maximum voltage above the original capacitor’s voltage. For example, if the original capacitor is 1000uF 10V and I replace by a 1000uF 35V … is 35V too much

ANSWER

The best is to use a voltage that is slightly higher like 16 volt. A higher volt would cause more and have less space for installation

When you replace a MOSFET in a SMPS or the inverter circuit by another MOSFET but different part number…what are the most important things you need to check on the datasheet to make sure the replacement part is ok? By the way, I already know that I have to check for NPN or PNP type…

ANSWER

For mosfet, you need to check the voltage, amp and watt and make sure the ohm value is not too high or too low

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