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Hardware => Lynx Express => Topic started by: Caliente Christmas on April 15, 2010,

Title: Advice needed for replacement Parts for Lynx 4
Post by: Caliente Christmas on April 15, 2010,

Please provide any suggestion on the following items to be found or exchanged with another part number.   Thank you

1)Mouser #:  140-XRL25V4700-RC  
Mfr. #:  140-XRL25V4700-RC  
Manufacturer:  Xicon  
Desc.:  Aluminum Electrolytic Capacitors - Leaded 25V 4700uF 20%  
RoHS:  RoHS Compliant  
Info:  View Additional Product Info  
 
2) Mouser #:  879-UPC2933BHFZ  
Mfr. #:  UPC2933BHF-AZ  
Manufacturer:  NEC  
Desc.:  Low Dropout (LDO) Regulators LDO regulator  
RoHS:  RoHS Compliant  
 
3) Mouser #:  838-3FD-312  
Mfr. #:  3FD-312  
Manufacturer:  Tamura  
Desc.:  Transformers 12.6VCT@.2A 6.3V@.4A Dual Primary  
RoHS:  RoHS Compliant  


 <md.. Caliente Christmas  <md..

Title: Re: Advice needed for replacement Parts for Lynx 4
Post by: D56VillageNut on April 15, 2010,

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Please provide any suggestion on the following items to be found or exchanged with another part number.   Thank you

3) Mouser #:  838-3FD-312  
Mfr. #:  3FD-312  
Manufacturer:  Tamura  
Desc.:  Transformers 12.6VCT@.2A 6.3V@.4A Dual Primary  
RoHS:  RoHS Compliant  

Digi-Key has the transformer in stock.  Digi-Key Part Number MT2102-ND - Showed 8 as of this post
http://search.digikey.com/scripts/DkSearch/dksus.dll?lang=en&site=US&WT.z_homepage_link=hp_go_button&KeyWords=3FD-312&x=22&y=16
No luck on the others so far.

Alan T

Title: Re: Advice needed for replacement Parts for Lynx 4
Post by: RJ on April 15, 2010,

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Please provide any suggestion on the following items to be found or exchanged with another part number.   Thank you

1)Mouser #:  140-XRL25V4700-RC  
Mfr. #:  140-XRL25V4700-RC  
Manufacturer:  Xicon  
Desc.:  Aluminum Electrolytic Capacitors - Leaded 25V 4700uF 20%  
RoHS:  RoHS Compliant  
Info:  View Additional Product Info  
 
2) Mouser #:  879-UPC2933BHFZ  
Mfr. #:  UPC2933BHF-AZ  
Manufacturer:  NEC  
Desc.:  Low Dropout (LDO) Regulators LDO regulator  
RoHS:  RoHS Compliant  
 
3) Mouser #:  838-3FD-312  
Mfr. #:  3FD-312  
Manufacturer:  Tamura  
Desc.:  Transformers 12.6VCT@.2A 6.3V@.4A Dual Primary  
RoHS:  RoHS Compliant  


 <md.. Caliente Christmas  <md..

For the 4700uf cap use :

647-UVZ1V472MHD

for the transformer order one from here:

http://search.digikey.com/scripts/DkSearch/dksus.dll?lang=en&site=US&WT.z_homepage_link=hp_go_button&KeyWords=3FD-312&x=25&y=30

be quick there are only 8 avaliable!



The regulator has dissappeared for some reason. Guess maybe I went obsolete. Back to the old "If you ain't surface mount then you are on the way out" problem.  I have a few if you need them PM me for them.

I will be away for a few days so if you get no answer I will get back to you next week.

RJ 

Title: Re: Advice needed for replacement Parts for Lynx 4
Post by: D56VillageNut on April 15, 2010,

You are not allowed to view links. Register or Login

Please provide any suggestion on the following items to be found or exchanged with another part number.   Thank you

1)Mouser #:  140-XRL25V4700-RC  
Mfr. #:  140-XRL25V4700-RC  
Manufacturer:  Xicon  
Desc.:  Aluminum Electrolytic Capacitors - Leaded 25V 4700uF 20%  

 
2) Mouser #:  879-UPC2933BHFZ  
Mfr. #:  UPC2933BHF-AZ  
Manufacturer:  NEC  
Desc.:  Low Dropout (LDO) Regulators LDO regulator  
RoHS:  RoHS Compliant  

 

For 1) Looks like the LE V5 is using the following Mouser part
Mouser #:  647-UVZ1V472MHD  
Mfr. #:  UVZ1V472MHD  
Manufacturer:  Nichicon  
Desc.:  Aluminum Electrolytic Capacitors - Leaded 35volts 4700uF 18x35.5 20% 7.5LS  
RoHS:  RoHS Compliant  

For 2) Looks like the LE V5 is using the following Mouser part
Mouser #:  511-LD1117V33C  
Mfr. #:  LD1117V33C  
Manufacturer:  STMicroelectronics  
Desc.:  Low Dropout (LDO) Regulators 3.3V 0.8A Positive  
RoHS:  RoHS Compliant  
(Backordered but show some due in May 31)

I would ask someone else to confirm that these would be OK replacements.  I was just comparing the LE v4 and LE v5 BOMs on the Wiki.

Alan T

Looks like RJ posted first on the capacitor. :)

Title: Re: Advice needed for replacement Parts for Lynx 4
Post by: vairmoose on April 15, 2010,

For the low dropout regulator...   it appears that 879-UPC2933BHBZ
might be equivalent...  different package (not TO220)  but the pin form seems to be the workable workable and it is the same pinout... main difference is that the center pin is connected to the tab (ground).  As the heatsink that is is not connected to any trace or grounding, I would suspect that this should not cause a problem.     


The 511-LD1117V33   is a different pinout and would not work without major twisting..  The traces were changed for the 3.3 LDO between LE version 4 and 5 to accomodate the difference.   

Hope this is useful.

Larry