Crane Aerospace & Electronics Power Solutions
SLH Single and Dual DC-DC Converters
28 VꢀLꢁ ꢂꢃpꢄꢁ – 1.5 Wꢅꢁꢁ
DC-DC CONVERTERS PROTOTYPE, CLASS H AND CLASS K,
MIL-PRF-38534 ELEMENT EVALUATION
NON-QML 1
QML
PROTOTYPE
CLASS H
/H
CLASS K
/K
/O
M/S 2
n
COMPONENT-LEVEL TEST PERFORMED
Element Electrical
Visual
M/S 2
P 3
M/S 2
P 3
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
Internal Visual
Temperature Cycling
Constant Acceleration
Interim Electrical
Burn-in
n
n
Post Burn-in Electrical
Steady State Life
Voltage Conditioning Aging
Visual Inspection
Final Electrical
n
n
n
n
n
n
n
n
n
n
n
Wire Bond Evaluation
SEM
ꢀotes:
1. ꢀon-QML products may not meet all of the requirements of MIL-PRF-38534.
2. M/S = Active components (Microcircuit and Semiconductor Die)
3. P = Passive components, Class H and K element evaluation. ꢀot applicable to Space Prototype (“O”) element evaluation.
Definitions:
Element Evaluation: Component testing/screening per MIL-STD-883 as determined by MIL-PRF-38534
SEM: Scanning Electron Microscopy
tabLe 8: eLement evaLuation
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SLH Rev AA - 2013.12.16
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