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! 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 speci?cations. Therefore, please approve our product speci?cations or transact the approval sheet for product speci?cations before ordering.
! Caution
Continued from the preceding page.
2. Information before Mounting
1. Do not re-use capacitors that were removed from the
equipment.
2. Confirm capacitance characteristics under actual applied
voltage.
3. Confirm the mechanical stress under actual process and
equipment use.
4. Confirm the rated capacitance, rated voltage and other
electrical characteristics before assembly.
5. Prior to use, confirm the solder ability of capacitors that
were in long-term storage.
6. Prior to measuring capacitance, carry out a heat
treatment for capacitors that were in long-term storage.
7. The use of Sn-Zn based solder will deteriorate the
reliability of the MLCC.
Please contact our sales representative or product
engineers on the use of Sn-Zn based solder in advance.
3. Maintenance of the Mounting (pick and place) Machine
C03E.pdf
May.17,2013
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 bending
damage or cracking. Please take into account the
[Incorrect]
Suction Nozzle
Deflection
following precautions and recommendations for use
[Correct]
Board
Board Guide
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.
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.
Continued on the following page.
50
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