SRC Forum - Message Replies
Forum: Reliability & Maintainability Questions and Answers
Topic: Reliability & Maintainability Questions and Answers
Topic Posted by: Reliability & Maintainability Forum
Organization: System Reliability Center
Date Posted: Mon Aug 31 12:47:36 US/Eastern 1998
Posted by: Stanford Lee
Date posted: Mon Mar 1 1:45:04 US/Eastern 2004
Subject: LED Prediction
I have a question about how to prediction 50,000 hours power depreciation curve. I only have 1,000 hours room temperature burn-in data. Thanks.
Subject: LED Reliability
Reply Posted by: BWD
Date Posted: Mon Mar 15 15:00:52 US/Eastern 2004
Finding the L10 or wear-out point of the LED reliability will require a lot more data than 1000 hours. The only realistic way to find out the life parameters is to place a sample on accelerated stress test. The test needs to be performed to failure, then the life characteristics can be determined.