Something like this?
http://rocky.digikey.com/WebLib/Panasonic/Web%20data/ERB%20Series.pdf
Yes, I suspect it is something like that. I just can't find any manufacturer that makes them with the marking "LB". (I've checked AVX, Bussmann, Littelfuse and now Panasonic).
Further to my previous comments about the large current rating 1A (if that's what it is), the LTC1932 can draw upto 600mA upon startup according to the datasheet so a 1A fuse would suddenly make a lot more sense.
The closest I can get is this fuse from Wickmann marked "LD" which is 1A, 0603 in size and from the looks of the picture, white ceramic with a black top!
http://www.wickmann.com/download/t1/vol1/sonst/adm/links/public/multi_lng/FCD0603_Datenblatt.pdf
Having typed the above, I found a cross reference of chip fuses: http://www.aem-usa.com/hrc/indcatalog/chipfuse_xref.pdf . This lists manufacturers so I searched each manufacturer in turn for 0603 sized fuses starting with the Japanese looking names as this is from a Japanese device.
http://www.kamaya.com/2005_catalog/fccfhc.pdf
lists an FCC16 102 AB with a marking LB so I appear to have found it!
Now I know what it is, I can look into a substitution :)
Cheers,
Richard
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