Crane Aerospace & Electronics Power Solutions
sMFL sꢀꢁglꢂ ꢃꢁꢄ dꢅꢃl dc/dc cꢆꢁvꢂꢇꢈꢂꢇꢉ
28 VoLt input – 65 Watt
Class H and K, QMl sCreening: environMental sCreening
environMental sCreening
spaCe
test perforMed
prototype o
Class
Class
1
(end iteM level)
non-QMl
H, QMl
K, QMl
2
Non-destruct bond pull
3
Method 2023
no
yes
yes
yes
yes
yes
yes
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
yes
yes
yes
no
yes
yes
yes
3
Method 2020, Cond. A
Radiography
yes
Method 2012
n/a
n/a
yes
yes
Pre burn-in test
yes
yes
Burn-in
Method 1015, 125°C case, typical
96 hours
yes
no
no
no
160 hours
yes
no
no
2 x 160 hour (includes mid BI test)
Final electrical test MIL-PRF-38534
ꢀroup A, Subgroups 1 through 6
-55°C, +25°C, +125°C case
Hermeticity test
no
yes
yes
yes
yes
Fine Leak, Method 1014, Cond. A
ꢀross Leak, Method 1014, Cond. C
Final visual inspection
Method 2009
yes
yes
yes
yes
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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