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npbosch

Question on FSstepper B

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Hallo to allI was just studying the docs on the Fsstepper.In the pdf doc I read that R1 an R2 are 0,5?But AFAIK there are no resistors of 0,5 ohm, at least I can not find them in my electronics catalog (conrad/reichelt)The diode used is a BYW 53. That does not exist in both catalogs too.Are these typing errors?For those interested I just put an excel spreadsheet on my site with all the used components on the FSBUS pcb's. Together with all the catalog numbers from Conrad and from Reichelt.Regards Norbert Boschhttp://home.wanadoo.nl/norbert.bosch

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Probably they are 0.47ohm.And for the BYW53:byw seems hard to fin, i am not complitely positive on this, but BYV series seems to be suitable as a substitution.

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>Hallo to all>>I was just studying the docs on the Fsstepper.>>In the pdf doc I read that R1 an R2 are 0,5?>But AFAIK there are no resistors of 0,5 ohm, at least I can>not find them in my electronics catalog (conrad/reichelt)>>The diode used is a BYW 53. That does not exist in both>catalogs too.A search on google brought this up:http://www.alldatasheet.com/datasheet-pdf/...FUNK/BYW53.htmlThe datasheet lists some compatible diodes.eg. the 1N5060Reichelt even has this one.Manuel http://wiki.varxec.net Simbuilder's Wiki http://cockpit.varxec.net/electronics/PHCC.html

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Thanks for the help. I saw only >= 1 ohm resistors at 1/4 wat. But at higher wats >5, you get the lower then <1 ohm resistors.

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