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Problems with LEDs not lighting up and no current adjustment
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Joined: 11/10/2008(UTC)
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Looking at the data sheet (http://www.fairchildsemi.com/ds/FJ/FJPF5200.pdf) it looks like there is an R and O grade version. Not sure of the difference but I believe Mouser shipped me the wrong one.
Is it okay to use the R grade instead of the O grade transistor?
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Rank: Administration
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It really should not matter as long as they are otherwise the same part.
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Rank: Advanced Member
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Joined: 11/10/2008(UTC)
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After installing a new transistor and double checking that the led is soldered securely it still will not light up. Any ideas on tracing down the faulty part? Thanks for the help.
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Rank: Advanced Member
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Joined: 11/10/2008(UTC)
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Location: New York City
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Bump. Unfortunately I'm not savvy enough to hunt down the faulty part on my own but would appreciate anyone's suggestions. Thanks!
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Problems with LEDs not lighting up and no current adjustment
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