Buy obsolete electronic components
Buy power transistor modules
http://www.Chip-Mart.com
http://www.Chip-Max.com
http://www.ChipShoppers.com
http://www.IC-Depot.com
http://www.IC-Max.com
http://www.IC-Win.com
http://www.ICBarn.com
http://www.YNCLLC.com
Buy hard to find, obsolete parts
Buy long lead time, obsolete, hard to find parts
Find free datasheets
Power Module Guru
http://www.USIGBT.com
http://www.FujiModules.com
http://www.MitsubishiModules.com
http://www.ToshibaModules.com
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