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B37941X Datasheet(PDF) 9 Page - EPCOS

Part No. B37941X
Description  Multilayer ceramic capacitor
Download  14 Pages
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Maker  EPCOS [EPCOS]
Homepage  http://www.epcos.com
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B37941X Datasheet(HTML) 9 Page - EPCOS

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 9 / 14 page
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Multilayer ceramic capacitor
B37941X
MLSC series
MLSC 0805, 50 V and 100 V
No. Stress test
Specification and acceptance criteria
Test description in
accordance to AEC-Q200
X7R
8
Operational life
∆C/C within ±10%
∆C/C within ±12.5% for 25 V
D.F. < 25 · 10
-3
D.F. < 75 · 10
-3 for 25 V
I.R. > 1 · 10
3 MΩ or τ > 50 s resp. 25 s for 25 V
(whichever is less)
Apply 125 °C and 1.5 times rated
voltage for 1000 ±12 h, surge current <
50 mA, measurements 24 ±2 h after
heat treatment (150 °C, 1 h) @ room
temperature
9
External visual
No defects or abnormalities
Visual inspection
10
Physical dimensions
Criteria in accordance to chapter “Dimensional
drawing and part dimensions”
-
12
Resistance to solvents
∆C/C within ±4.5%
∆C/C within ±7.5% for 25 V
D.F. < 25 · 10
-3
D.F. < 50 · 10
-3 for 25 V
I.R. > 1 · 10
5 MΩ or τ > 1000 s resp. 500 s for 25 V
(whichever is less)
Immerse the components in solvents
(as per MIL-STD-202 Method 215) for 3
min each (25 °C, or 63 to 70 °C)
Solvents:
a)
Isoporpyl alcohol (1 part)
and mineral spirit (3 parts)
b)
Terpene defluxer
c)
Water (42 parts), propylene
glycol monomethyl ether (1
part) and
monomethanolamine (1
part)
13
Mechanical shock
∆C/C within ±4.5%
∆C/C within ±7.5% for 25 V
D.F. < 25 · 10
-3
D.F. < 50 · 10
-3 for 25 V
I.R. > 1 · 10
5 MΩ or τ > 1000 s resp. 500 s for 25 V
(whichever is less)
Fix the component on PCB and perform
3 shocks in each direction along the 3
mutually perpendicular axes of the
MLCC (in total 18 shocks), half-sine
puls form, 1500 g peak value, 0.5 ms
duration
14
Vibration
∆C/C within ±4.5%
∆C/C within ±7.5% for 25 V
D.F. < 25 · 10
-3
D.F. < 50 · 10
-3 for 25 V
I.R. > 1 · 10
5 MΩ or τ > 1000 s resp. 500 s for 25 V
(whichever is less)
Fix the component on PCB and perform
12 cycles in each of the 3 mutually
perpendicular axes of the MLCC (in
total 36 cycles). Subject the MLCC to a
simple harmonic motion variing the
frequency logarithmically between 10
and 2000 Hz and return to 10 Hz
(duration approx. 20 min) with an
amplitude of 1.5 mm
KB VS PE
July 2005
Please read Cautions and warnings and
Page 9 of 14
Important notes at the end of this document.


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