Peter Sandborn, Varun Prabhakar and Dan Feng
CALCE Electronic Products and Systems Center
University of Maryland
College Park, MD 20742
•When an electronic part becomes obsolete…
• Lifetime buy is a mitigation approach that involves the purchase and
storage of a part in a sufficient quantity to meet current and (expected)
• Bridge buy is a buy made to meet current and (expected) future demands until the next redesign.
• Lifetime buys and bridge buys play a role in nearly every electronic part obsolescence management portfolio no matter what other reactive or proactive strategies are being followed.
• Determining the appropriate number of parts to purchase at a lifetime buy, is generally easier said than done.
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