Q-tech CLASS B+ Bedienungsanleitung Seite 25

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Q-TECH Corporation - 10150 W. Jefferson Boulevard, Culver City 90232 - Tel: 310-836-7900 - Fax: 310-836-2157 - www.q-tech.com
25 of 27
Q-TECH
CORPORATION
QPDS-0001, Rev L, June 2013 (ECO #10851)
CLASS B+ PRODUCTS
HIGH RELIABILITY HYBRID CRYSTAL CLOCK OSCILLATORS
2.5 to 5.0Vdc - 15kHz to 350MHz
Su/jointfilesconvert/1386200/bgroup
Test Description
MIL-STD-883
Quantity / (Accept No.)
Method
Condition
1
Physical Dimensions
2016
-
2 (0)
2
Particle Impact Noise Detection (Note 2)
2020
B 15 (0)
3
Resistance to Solvents
2015
-
4 (0)
4
Internal Visual and Mechanical
2014
-
1 (0)
5
Bond Strength (Note 3) 2011
C or D
2 (0)
6
Die Shear Strength (Note 4)
2019
-
2 (0)
7
Solderability (Note 5)
2003
Solder Temperature: 245 ±5º C
1 (0)
8
Seal; Fine Leak and Gross Leak (Note 6)
1014
A
1
& C
4 (0)
9
ESD Classification (Note 7)
3015
-
4 (0)
QCI Per MIL-PRF-38534, CLASS K (Modified)
NOTES:
1. Non catastrophic screening test rejects may be used for Group B.
2. To be omitted. Being performed during screening, see Table I.
3. Su/jointfilesconvert/1386200/bgroup 5 shall be performed in accordance with the Group B bond strength requirements of MIL-PRF-38534. This test may be
performed in-process anytime prior to cover seal.
4. Die shear test samples shall not be the same units as subjected to bond pull. Die shear specimens shall not be exposed to the 300ºC
preconditioning used for the bond strength test.
5. Solder temperature shall be 245 ±5ºC.
6. Su/jointfilesconvert/1386200/bgroup 8, the fine and gross leak tests are being done during screening, see Table I.
7. Su/jointfilesconvert/1386200/bgroup 9, the ESD classification test, is not required. The hybrid has been classified as ESDS Class 1 (i.e., Electrostatic voltage
= 0 to 1999V) and shall be marked accordingly.
Table V
Group B Inspection
(Note 1)
Su/jointfilesconvert/1386200/bgroup
Test Description
MIL-STD-883
Quantity / (Accept No.)
Method
Condition
1
External Visual
2009
5 (0)
Temperature Cycling
1010 C, 20 Cycles
Constant Acceleration
2001
A, Y
1
Axis
Seal (fine & gross leak)
1014
A
1
& C
Radiographic Inspection
2012
Visual Examination
End Point Electricals
2
End Point Electricals
Steady State Life
End Point Electricals
1005
1000 hours at 125ºC 5 (0)
3
Internal Water Vapor Content
1018
3 (0) or 5 (1)
NOTES:
1. Five units shall be used for Group C inspection based on limited usage acquisition requirements of MIL-PRF-38534.
2. End point electrical shall be as specified in the detail specification.
3. Su/jointfilesconvert/1386200/bgroup 1 specimens shall be used for su/jointfilesconvert/1386200/bgroup 3 testing.
Table VI
Group C Inspection
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