GRM219R11E474JA88 데이터 시트보기 (PDF) - Murata Manufacturing

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GRM219R11E474JA88

Chip Monolithic Ceramic Capacitor for General

Murata Manufacturing 

! Caution

3.Maintenance of the Mounting (pick and place) Machine

1. Make sure that the following excessive forces are not applied to the capacitors.

1-1. In mounting the capacitors on the printed circuit board, any bending force against them shall be kept

to a minimum to prevent them from any damage or cracking. Please take into account the following precautions

and recommendations for use in your process.

(1) Adjust the lowest position of the pickup nozzle so as not to bend the printed circuit board.

(2) Adjust the nozzle pressure within a static load of 1N to 3N during mounting.

　 [Incorrect] Suction Nozzle

　 [Correct]

Board

Deflection

Board Guide

Support Pin

2.Dirt particles and dust accumulated between the suction nozzle and the cylinder inner wall prevent

the nozzle from moving smoothly. This imposes greater force upon the chip during mounting,

causing cracked chips. Also, the locating claw, when worn out, imposes uneven forces on the chip

when positioning, causing cracked chips. The suction nozzle and the locating claw must be maintained,

checked and replaced periodically.

JEMCGC-2701X

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