LMK042B7101KC-FW 데이터 시트보기 (PDF) - TAIYO YUDEN

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LMK042B7101KC-FW

MULTILAYER CERAMIC CAPACITORS

TAIYO YUDEN 

（2）Examples of good and bad solder application

Item

Not recommended

Lead wire of component

Mixed mounting of SMD and

leaded components

Component placement close to

the chassis

Hand-soldering of leaded

components near mounted

components

Chassis

Solder (for grounding)

Electrode pattern

Lead wire of component

Soldering iron

Horizontal component

placement

Recommended

Solder-resist

Solder-resist

Solder-resist

Solder-resist

◆Pattern configurations （Capacitor layout on PCBs）

1-1. The following is examples of good and bad capacitor layouts ; capacitors shall be located to minimize any

stresses from board warp or deflection.

Items

Not recommended

Recommended

possible mechanical

Deflection of board

Place the product at a right

angle to the direction of the

anticipated mechanical

stress.

1-2. The amount of mechanical stresses given will vary depending on capacitor layout. Please refer to diagram below.

Perforation

E

D

C

A

B

Slit

Magnitude of stress A＞B＝C＞D＞E

1-3. When PCB is split, the amount of mechanical stress on the capacitors can vary according to the method used. The following methods

are listed in order from least stressful to most stressful: push-back, slit, V-grooving, and perforation. Thus, please consider the PCB,

split methods as well as chip location.

3. Mounting

Precautions

◆Adjustment of mounting machine

1. When capacitors are mounted on PCB, excessive impact load shall not be imposed on them.

2. Maintenance and inspection of mounting machines shall be conducted periodically.

◆Selection of Adhesives

1. When chips are attached on PCBs with adhesives prior to soldering, it may cause capacitor characteristics degradation unless the

following factors are appropriately checked : size of land patterns, type of adhesive, amount applied, hardening temperature and

hardening period. Therefore, please contact us for further information.

▶ This catalog contains the typical specification only due to the limitation of space. When you consider the purchase of our products, please check our specification.

For details of each product (characteristics graph, reliability information, precautions for use, and so on), see our Web site (http://www.ty-top.com/) .

c_mlcc_prec_e-E05R01

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