Hi Menahem:
I should place the illinois capacitor link for comparison to the Nichicon .
You'll see for the 50V, 2200uF cap I am using the KXM series (which I use mainly now) has much better ripple specs than Nichicon.
--------------------Capacitor size is 18mm x 35.5mm-----------------
illnois Capacitor: 3690 mA RMS ripple
Nichicon PW: 3100 mA RMS ripple.