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B37941X Datasheet(PDF) 8 Page - EPCOS

Part No. B37941X
Description  Multilayer ceramic capacitor
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Maker  EPCOS [EPCOS]
Homepage  http://www.epcos.com
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B37941X Datasheet(HTML) 8 Page - EPCOS

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Multilayer ceramic capacitor
B37941X
MLSC series
MLSC 0805, 50 V and 100 V
Specification and stress test methods
No. Stress test
Specification and acceptance criteria
Test description in
accordance to AEC-Q200
X7R
1
Pre- and post-stress electrical test
Initial values in accordance to chapter “Electrical
data”
Initial and final measurements 24 ±2 h
after test and / or heat treatment (only
X7R dielectrics) @ room temperature
3
High temperature exposure
∆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)
Capacitor fixed on PCB, apply 150 °C
for 1000 ±12 h, measurements 24 ±2 h
after tests @ room temperature
4
Temperature cycling
∆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)
Capacitor fixed on PCB, apply 1000
cycles between -55 °C/150 °C, transfer
time < 10 s, dwell time > 15 min,
measurements 24 ±2 h after heat
treatment (150 °C, 1 h) @ room
temperature
5
Destructive physical analysis
No defects or abnormalities
Per EIA-469
6
Moisture resistance
∆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 the cycle given in MIL-STD-202
Method 106 (25 to 65 °C, 80 to 100%
RH) 10 times, measurements 24 ±2 h
after tests @ room temperature
7
Biased humidity
∆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 85 °C/85% RH and rated voltage
for 1000 ±12 h, surge current < 50 mA,
measurements 24 ±2 h after heat
treatment (150 °C, 1 h) @ room
temperature
KB VS PE
July 2005
Please read Cautions and warnings and
Page 8 of 14
Important notes at the end of this document.


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