Crane Aerospace & Electronics Power Solutions
SMFLHP Single and Dual DC/DC Converters
28 VOLT INPUT – 100 WATT
C
LASS
H
AND
K, MIL-PRF-38534 E
NVIRONMENTAL
S
CREENING
END ITEM-LEVEL TEST
PERFORMED
Non-destruct bond pull
Method 2023
Pre-cap Inspection
Method 2017, 2032
Temperature Cycle (10 times)
Method 1010, Cond. C, -65°C to 150°C, ambient
Constant Acceleration
Method 2001, 3000 g
PIND Test
Method 2020, Cond. A
Pre burn-in test
Burn-in
Method 1015, 125°C case, typical
96 hours
160 hours
2 x 160 hours (includes mid-BI test)
Final Electrical Test MIL-PRF-38534
Group A, Subgroups 1 through 6
-55°C, +25°C, +125°C case
Radiography
Method 2012
Post Radiography Electrical Test
Room temperature
Hermeticity Test
Fine Leak, Method 1014, Cond. A
Gross Leak, Method 1014, Cond. C
Final visual inspection
Method 2009
SPACE PROTOTYPE (O)
NON-QML
1
no
yes
CLASS H
QML
yes
2
yes
CLASS K
QML
yes
yes
yes
yes
no
yes
yes
yes
yes
2
yes
yes
yes
yes
yes
yes
no
no
no
yes
no
no
no
yes
yes
N/A
N/A
yes
yes
yes
yes
N/A
N/A
yes
yes
yes
yes
N/A
yes
2
yes
yes
yes
Test methods are referenced to MIL-STD-883 as determined by MIL-PRF-38534.
Notes:
1. Space Prototype (O), non-QML products, do not meet all of the requirements of MIL-PRF-38534.
2. Not required by DSCC but performed to assure product quality.
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