ADVANCED ANALYSIS / TEST

HTST

    HTST (High Temperature Storage)

    • The High Temperature Storage Test (HTST) is a test that evaluates how the product is affected during long periods of high temperature storage. The purpose is to evaluate the long-term reliability of the product without applying electrical stress. HTST consists of exposing samples at prescribed temperatures for a prescribed period of time.
    • High temperature storage tests can be used and accelerated at very high temperatures, but care must be taken not to introduce defects such as Kirkendal Voyaging that occur at very high temperatures, or to suppress defects such as stress migration at temperatures above 180 degrees Celsius.

    Conditions of progress

    Spec Test condition
    A B C D E F
    JESD22-A103 125(-0/+10)℃ 150(-0/+10)℃ 175(-0/+10)℃ 200(-0/+10)℃ 250(-0/+10)℃ 300(-0/+10)℃
    MIL-STD-883E Method 1008 75(-0/+10)℃ 125(-0/+10)℃ 150(-0/+10)℃ 200(-0/+10)℃ 250(-0/+10)℃ 300(-0/+10)℃
    Test Time 1000(-0,/+72) hrs
    Condition Reference Test requirements/cautions
    AEC-Q100 JEDEC JESD22-A103 Plastic Packaged Parts
    Grade 0 : +175ºC Ta for 1000 hours or +150ºC Ta for 2000 hours.
    Grade 1 : +150ºC Ta for 1000 hours or +175ºC Ta for 500 hours.
    Grades 2 and 3 : +125ºC Ta for 1000 hours or +150ºC Ta for 500 hours.
    Ceramic Packaged Parts
    +250ºC Ta for 10 hours or +200ºC Ta for 72 hours.