Blog Medical Power Supply Reliability Demonstration: MTBF and DMTBF Medical Power Supply Reliability Demonstration: MTBF and DMTBF MTBF (Mean Time Between Failures) is a well-accepted method for measuring power supply reliability. The MTBF factor is calculated and tested based on assumptions such as an electrical… by Robert Staub March 1, 2018 chat_bubble_outline0 Tags: Power supply, Power supply industry, Reliability