国巨

TEST TEST METHOD PROCEDURE REQUIREMENTS

Temperature

Characteristic

4.6 Capacitance shall be measured by the steps shown in the

following table.

The capacitance change should be measured after 5 min at

each specified temperature stage.

Step Temperature(℃)

a 25± 2

b Lower temperature± 3℃

c 25± 2

d Upper Temperature± 2℃

e 25± 2

(1) Class I

Temperature Coefficient shall be calculated from the

formula as below

Temp, Coefficient =

6

10

C1 x T

C2 - C1



Δ

[ppm/℃]

C1: Capacitance at step c

C2: Capacitance at 125℃

∆T: 100℃(=125℃-25℃)

(2) Class II

Capacitance Change shall be calculated from the formula

as below

∆C =

C1

C2 - C1

x 100%

C1: Capacitance at step c

C2: Capacitance at step b or d

<General purpose series>

Class1:

∆ C/C: ± 30ppm

Class2:

X7R: ∆ C/C: ± 15%

Y5V: ∆ C/C: 22~-82%

<High Capacitance series>

Class2:

X7R/X5R: ∆ C/C: ±15%

Y5V: ∆ C/C: 22~-82%

Adhesion 4.7 A force applied for 10 seconds to the line joining the

terminations and in a plane parallel to the substrate

Force

size ≥ 0603: 5N

size = 0402: 2.5N

size = 0201: 1N

Bending

Strength

IEC 60384-

21/22

4.8 Mounting in accordance with IEC 60384-22 paragraph 4.3 No visible damage

Conditions: bending 1 mm at a rate of 1 mm/s, radius jig

5 mm

Test Substrate:

100

40

b

C

a

4.5 YNSC147

Unit: mm

∆C/C

Class2:

<General purpose series>

X5R: ± 10%

<High Cap

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