evqp8403m Panasonic Corporation of North America, evqp8403m Datasheet - Page 6

• Manufacturer Part Number: evqp8403m
• Description: Light Touch Switch
• Manufacturer: Panasonic Corporation of North America

Classification
Part Name
6. Prohibitions and precaution for handling
6.2 Design instructions
6.1 Reflow soldering condition
6.3 Notes
1) Two times max. with directing the switch mounting side of P.W.B up.
2) Re-soldering by soldering iron shall be allowed under 350℃ max. 3 sec. max. 1 time only
1) Please be cautions not to give excessive static load or shock to switches.
2) Please be careful not to pile up P.W.B. after switches were soldered.
3) Preservation under high temperature and high humidity or corrosive gas should be avoided
4) Avoid pressing the film portion of the product with sharp-edged object.
6) Avoid the use of the switch under pushed ON condition is continued for a long time.
7) There is a possibility the flux from solder paste infiltrates into the body if plenty of
1) Please refer to the land pattern plan Panasonic recommends on the 2nd page.
2) Design key top as fig-1. Design inclination of key top 4 deg. max. as fig-2.
3) It 20N or heavier push force is applied.The switch might be tore off from a PWB.
5) Cleaning
and the tip of iron must not touch to terminals.
Soldering iron for re-soldering have to be 60W max.
especially. When you need to preserve for a long period, do not open the carton.
Tolerance between switch and key top is within 0.3mm.
Please support the switch mechanicahy from back side. (fig-3)
･If flux or solder is scattered on the surface of P.W.B when soldering, characteristics
･Cleaning after soldering is not allowed.When cleaning is required this switch should be
(Recommended operating condition)
Also please avoid putting additional land by the switch on the P.W.B.
solder paste was applied by switch on the P.W.B.
So we recommend to use our proposed land design in order to prevent above problem.
of this product may be damaged.
soldered after the cleaning.
LIGHT TOUCH SWITCH
fig-1
REFERENCE SPECIFICATION
Panasonic Electronic Devices Co., Ltd.
fig-2
Part No.
EVQP8403M
fig-3
Issue No.
20090929
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