Is this correct? I can only find one in the build diagrams.220µF 445903 - 493-3277-ND RAD FC 220/35
This cap is really hard to find, can it be substituted by any other capacitor from Farnell or DigiKey? I found this incredibly expensive cap on Farnell's site, should I go for it? http://www.farnell.com/datasheets/415481.pdf
Will it hurt if I chose a 1.5 A DC/DC convertor? I may need it later for GPS, boost control etc.
Finally I'm having trouble finding the specified filter choke:
Can I use this instead? http://www.farnell.com/datasheets/1060342.pdf1x 40µH 440483 - Supplier Part Nr: mesc-400m-01 from Fastron MESC 40µ