Mosfet 60V 55A

Ramps replacement mosfets. I have popped a few of these with careless use of my screwdriver. Always power off and unplug your ramps 1.4 when you decide to poke at it with a screwdriver....

STMicroelectronics STP55NF06L

http://www.st.com/web/en/resource/technical/document/datasheet/CD00002690.pdf