B37941X1103K072 datasheet(8/14 Pages) EPCOS

Part #	B37941X1103K072

Description	Multilayer ceramic capacitor

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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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