GRJ552B11H102KA01D datasheet(159/221 Pages) MURATA

159 / 221 page

8. Thermal Shock when Making Corrections with a

Soldering Iron

(1) Test Method

Apply a soldering iron meeting the conditions below to

the soldered joint of a chip that has been soldered to a

paper phenol board, while supplying wire solder. (Note:

the soldering iron tip should not directly touch the ceramic

element of the chip.)

(2) Test Samples

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

(3) Acceptance Criteria for Defects

Observe the appearance of the test sample with a

60-power optical microscope. Those units displaying any

breaks or cracks are determined to be defective.

(4) Results

Soldering Iron

Tip Diameter

Ceramic heater 20W

ø3mm

GRM21 5C (T=0.6)

GRM21 R7 (T=0.6)

GRM21 F5 (T=0.6)

Mounting Solder

Paper Phenol Substrate

Wire Solder

Soldering lron

Duration of

Touching :

Approx. 3 sec.

100

200

Soldering Iron Tip Temperature (

240

280

320

360

100

200

240

280

320

360

100

200

240

280

320

360

Soldering Iron Tip Temperature (

Continued from the preceding page.

Reference Data

157

!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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