How do I attach a bridge rectifier to a PCB or breadboard?
That is a fairly high-power device, and is intended to be bolted to a chassis or heatsink for heat dissipation.  It is not intended to be mounted on a PC boards.

Connections would normally be made using Faston(tm) connectors or by soldering wires directly to the terminals.

A rectifier connected to female spade connectors (also called "female spade terminals", also called "Faston connectors") looks like:

(via http://www.autotoys.com/x/home.php?cat=641 :)


(via http://www.tinboats.net/forum/viewtopic.php?f=4&amp;t=19243 :)


Underneath all the insulation, a female spade connector looks like:

(via http://www.frozencpu.com/products/13613/ele-882/FrozenCPU_Quick_Disconnect_Female_Spade_Connector_-_28mm.html :)