Crane Aerospace & Electronics Power Solutions
sMFL single and dual dc/dc converters
28 VoLt input – 65 Watt
C
lass
H
and
K, QMl s
Creening
: e
nvironMental
s
Creening
e
nvironMental
s
Creening
t
est
p
erforMed
(
end iteM level
)
Non-destruct bond pull
2
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
Radiography
Method 2012
Pre burn-in test
Burn-in
Method 1015, 125°C case, typical
96 hours
160 hours
2 x 160 hour (includes mid BI test)
Final electrical test MIL-PRF-38534
group A, Subgroups 1 through 6
-55°C, +25°C, +125°C case
Hermeticity test
Fine Leak, Method 1014, Cond. A
gross Leak, Method 1014, Cond. C
Final visual inspection
Method 2009
p
rototype
o
non
-QMl
1
no
yes
yes
yes
no
n/a
yes
s
paCe
C
lass
H, QMl
yes
3
yes
yes
yes
yes
3
n/a
yes
C
lass
K, QMl
yes
yes
yes
yes
yes
yes
yes
yes
no
no
yes
yes
yes
yes
no
yes
no
yes
yes
yes
yes
no
no
yes
yes
yes
yes
yes
Test methods are referenced to MIL-STD-883 as determined by MIL-PRF-38534.
Notes:
1. Non-QML products do not meet all of the requirements of MIL-PRF-38534
2. Not applicable to EMI filters that have no wirebonds
3. Not required by DSCC but performed to assure product quality.
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