What is your application?
FW 470@10 is 6.3mm x 11mm x 2.5mm
KW 470@10 is 6.3mm x 11mm x 2.5mm
FG (hi-grade) 470@10 is 10 x 16 x 5.0
KZ (premium) 470@25 is 16 x 25 x 7.5
Elna RFS 470@10 is 12.5 x 20 x 5.0
Sanyo WG 470@16 is 8 x 11.5 x 3.5 (recommended for digital circuits)