GRM552B11H102KA01D datasheet(153/221 Pages) MURATA

153 / 221 page

GRM21 for flow/reflow soldering

95 to 100%

95%

90 to 95%

95%

1. Solderability

(1) Test Method

Subject the chip capacitor to the following conditions.

Then apply flux (an ethanol solution of 25% rosin) to the

chip and dip it in 230

D eutectic solder for 2 seconds.

Conditions:

Expose prepared at room temperature (for 6 months and

12 months, respectively)

Prepared at high temperature (for 100 hours at 85

Prepared left at high humidity (for 100 hours under

90%RH to 95%RH at 40

(2) Test Samples

GRM21 : Products for flow/reflow soldering.

(3) Acceptance Criteria

With a 60-power optical microscope, measure the surface

area of the outer electrode that is covered with solder.

(4) Results

Refer to Table 1.

Sample

Initial State

Prepared at Room Temperature

6 months

12 months

Prepared at High Humidity

for 100 Hours at 90 to

95% RH and 40

Prepared at High

Temperature for

100 Hours at 85

Table 1

2. Board Bending Strength for Solder Fillet Height

(1) Test Method

Solder the chip capacitor to the test PCB with the amount

of solder paste necessary to achieve the fillet heights.

Then bend the PCB using the method illustrated and

measure capacitance.

(2) Test Samples

GRM21: 5C/R7/F5 Characteristics T=0.6mm

(3) Acceptance Criteria

Products should be determined to be defective if the

change in capacitance has exceeded the values specified

in Table 2.

Characteristics

Change in Capacitance

Within

T5% or T0.5pF, whichever is greater

Within

T12.5%

Within

T20%

Table 2

Capacitor

Supporting

Base

Capacitance Meter

Flexure

20 50

R230

Pressurizing

Speed: 1.0mm/sec.

Note : The material of pressure application jig and

support is the quenched metal.

(hardness HB 183-255 or superhardness

HRA90 or more)

Solder Amount

Larger Fillet.

Fillet up to Chip

Thickness

Pressurize

Material : Glass Epoxy

: Copper Foil (0.35mm thick)

: Solder Resist

100

4.0

1.6

1.2

(in mm)

Continued on the following page.

Reference Data

151

!Note • Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.

• This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.

• This PDF catalog is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our

sales representatives or product engineers before ordering.

• This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.

!Note

C02E.pdf

10.12.20

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