1960 - Transistor Devices Inc. Founded: Focus on standard and custom, High Power, High Reliability Power, Power Supplies.
1963 - RO Associates Founded: Ruggedized AC/DC and DC/DC Power Bricks.
1964 - Jerome Industries Founded: Pioneer in low leakage external adapters for the medical market.
1980 - Filter Concepts Founded: Designs and Manufacturers of standard and custom EMI filters.
1985 - LCR Electronics Founded: Designs and Manufacturers of standard and custom EMI filters.
1994 - Astrodyne founded by power industry veterans.
2005 - Radius Power Founded: Designs and Manufacturers of standard and custom EMI filters.
2007 - Transistor Devices Re-branded as TDI Power.
2008 - Audax Private Equity Group invests into Astrodyne to power the company for growth.
2010 - Astrodyne aquries RO Associates for COTS AC/DC, DC/DC bricks.
2012 - Astrodyne acquires Jerome Industries for medical power adapters.
2014 - Astrodyne acquires Radius Power for standard and custom http://www.astrodynetdi.com/emi-filters/all-emi-filters
2015 - Re-branded the company as Astrodyne TDI.
2017 - Astrodyne TDI Acquired by Tinicum, L.P.