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| Music Electronics General discussion about music electronics |
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10-18-2009, 11:42 AM
| #1 |
| Junior Member Join Date: Sep 2009
Posts: 2
| diode help
Hi all, I have a power amp i'm trying to repair and one part i needed was a 1000mw 1N4728 zener diode d0-41 glass orange color type transparent so i ordered one up and the one i recieved is 1000mv marked as (a 1r 1N4728) but diode is black in color with grey side possibly a rectifier diode would this be safe to substitute with zener type or should i reorder the identical diode ?? |
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10-18-2009, 02:19 PM
| #2 |
| Senior Member  |
Same part number; safe to say it's the same part. Different package.
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10-19-2009, 05:08 AM
| #3 |
| Senior Member Join Date: Apr 2008 Location: Oceanside, NY
Posts: 609
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The only difference between the glass and epoxy package is that the epoxy package will not break if you step on it.
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10-19-2009, 04:37 PM
| #4 | |
| Lifetime Member Join Date: May 2006
Posts: 871
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| The Following User Says Thank You to R.G. For This Useful Post: | basher106 (10-19-2009) |
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10-19-2009, 06:16 PM
| #5 |
| Junior Member Join Date: Sep 2009
Posts: 2
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thanks for prompt reply guys, gals! one more thing i also ordered some other diodes the original values in power amp board that's fried are, 1N5245 15v 500mw 1/2 WATT zeners they arrived from ebay the other day and were same part number 1N5245 but 1000mv 1 WATT version!!  would these be safe to use or should i reorder the 500mv version as in the amp board? |
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10-20-2009, 01:15 AM
| #6 |
| Senior Member Join Date: May 2006 Location: Lansing, Michigan, USA
Posts: 9,266
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1N5245 is a 500mw (.5w) diode. Any 1N5245 you get will replace a 1N5245. If you are going by what is printed on the bag it came in, that could easily be incorrect.
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