Datasheet > KRM55

KRM55

更新时间： 2024-10-14 12:46:31

品牌	Logo	应用领域
村田 - MURATA		测试
页数	文件大小	规格书
3页	61K
描述
High Capacitance for General Use KRM Series Specifications and Test Methods

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KRM55 数据手册

High Capacitance for General Use KRM Series Specifications and Test Methods

No.

Item

Operating

Specifications

X5R Char.: ꢀ55 to +85°C

X6S Char.: ꢀ55 to +105°C

X7R Char.: ꢀ55 to +125°C

Test Method

Reference temperature: 25°C

Temperature Range

Appearance

Dimensions

No defects or abnormalities

Visual inspection

Within the specified dimensions

Using calipers and micrometers

No failure should be observed when voltage in the table is

applied between the terminations for 1 to 5 sec., provided the

charge/discharge current is less than 50mA.

Rated Voltage

DC16V, DC25V, DC35V,

DC50V, DC63V

DC100V, DC250V

DC630V

Test Voltage

Dielectric Strength No defects or abnormalities

250% of the reted voltage

200% of the reted voltage

150% of the reted voltage

120% of the reted voltage

DC1000V

[KRM21, KRM31]

W.V.: 16V/25V/35V

: More than 50MΩ · μF

Insulation Resistance

W.V.: 50V/100V

(I.R.)

The insulation resistance should be measured with Rated

Voltage and within 60 5 sec. of charging.

: More than 500MΩ · μF

[KRM55]

More than 100MΩ · μF

Capacitance

Within the specified tolerance

The capacitance/D.F. should be measured at reference

temperature at the meaning frequency and voltage shown in

the table.

[KRM21, KRM31]

W.V.: 16V/25V/35V

: 0.15 max.

W.V.: 50V

: 0.025 max.

W.V.: 100V

: 0.05 max.

[KRM55]

Nominal

Measuring

Voltage

AC0.5 0.1V(r.m.s.)

AC1.0 0.2V(r.m.s.)

Dissipation

Factor (D.F.)

Capacitance Frequency

C>10μF

CV10μF

120 24ꢁH

1 0.2kꢁH

0.025 max.

The capacitance measurement should be made at each step

specified in the Table.

Step

Temperature (°C)

25 2

Min. Operating Temp.

25 2

Max. Operating Temp.

25 2

Capacitance

Temperature

Characteristics

X5R Char.: Within 15% (Temp. Range: ꢀ55 to +85°C)

X6S Char.: Within 22% (Temp. Range: ꢀ55 to +105°C)

X7R Char.: Within 15% (Temp. Range: ꢀ55 to +125°C)

U*ÀiÌÀi>ÌiÌ

Perform a heat treatment at 150+0/–10°C for 60 5 min. and

then let sit for 24 2 hrs. at room condition. (*1)

A static load of 10N using a pressure rod should be applied to

the center in the direction of the arrow and held for 10 s.

Pressure Rod

Pressure

Strength of Metal

Terminal

R 0.5

Termination not to be broken or loosened

0.5L

Solder the capacitor to the testing jig (glass epoxy board) shown

in Fig. 1.

Then apply 10N force in the direction of the arrow.

The soldering should be done using the reflow method and

should be conducted with care so that the soldering is uniform

and free defects such as heat shock.

Adhesive Strength

of Termination

No removal of the terminations or other defect should occur.

10N, 10T1s

Glass Epoxy Board

Fig. 1

(*1) "Room condition" Temperature: 15 to 35°C, Relative humidity: 45 to 75%, Atmospheric pressure: 86 to 106kPa

Continued on the following page.

12 3

中文翻译

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