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Surface Mount Resistors
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Old 1st July 2004, 12:02 AM   #1
Mermprin is offline Mermprin  United States
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Default Surface Mount Resistors

Can you use Thick Film Surface Mount resistors in 5% and 1% tolerances in place of the Carbon Film and Metal film thru hole?
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Old 1st July 2004, 07:21 AM   #2
peranders is offline peranders  Sweden
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Surface Mount Resistors
Yes, but beware of impulse properties and voltage rating, maybe not a problem in your case. SMD resistors can't handle so high voltage and can't handle short pulses very well.
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Old 1st July 2004, 06:59 PM   #3
bremen nacht is offline bremen nacht  Europe
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Default smd resistors

Quote:
Originally posted by peranders
Yes, but beware of impulse properties and voltage rating, maybe not a problem in your case. SMD resistors can't handle so high voltage and can't handle short pulses very well.

how does their inability to handle short pulses manifest itself?
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Old 1st July 2004, 07:19 PM   #4
Pjotr is offline Pjotr
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Quote:
Originally posted by peranders
Yes, but beware of impulse properties and voltage rating, maybe not a problem in your case. SMD resistors can't handle so high voltage and can't handle short pulses very well.
Mermprin was talking about carbon and metal FILM resistors, not carbon composite resistors. If you look at the datasheets standard SMD resistors can safely handle 5x the nominal rating for short pulses. Depends also on temperature of the element.

In general, yes you can replace them but look at http://www.vishay.com/ for datasheets if you want to be sure Mermprin.

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