http://tinyurl.com/mw9y6wg
12V 75W Electronic Transformer - Replacement for SET75UL
Replacement for SET75UL (Please check dimensions to make sure it fits)
Unit's Dimanesions (L x W x H) 2.89" x 1.53" x 0.86"
Input 120V / Output 12VAC
Maximum load: 75W | Minimum load: 20W
Ul Approved and Listed - Dimmable Unit