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Section
□
Have precautions been checked in the case of switching with both high
and low loads by the same contact?
ｐ9/7-1
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Doesn't heat dissipation occur under low temperature? ｐ9/7-2
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Has transient state of contact resistance been considered? ｐ9/8-1
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Are contact voltage and current 6V 1A or higher? ｐ9/8-2
Operating sound
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Are there any problems regarding operating sound of relay? ｐ9/9-1、ｐ9/9-2
Mechanical
noise
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Are there any problems regarding abnormal weak noise of relay? ｐ9/10-1、ｐ9/10-2
□
Is temperature, humidity, atomosphere pressure within the range of use? ｐ10/12-1
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Have precautions been checked in the case of switching under high
humidity?
ｐ10/12-1
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Is the ambient environment free from particles, dusts, sulfidizing gas,
organic gas?
ｐ10/12-2
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Is the ambient environment free from silicon? ｐ10/12-3
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Is the ambient environment free from high-field magnetic instruments
such as speaker?
ｐ10/12-4
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Are the ambient vibration and shock below the relay's vibration and
impact characteristics? Also, is there no resonance after the relay is
ｐ10/12-5、ｐ10/12-6
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Isn't there a risk of freezing and dewing of relay? ｐ9/7-2、ｐ10/12-7、ｐ
11/12-9
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Isn't there a risk of water or oil adhesion? ｐ11/12-8
Mounting
□
Doesn't vibration or shock cause poor connection between a relay and a
connector?
ｐ11/13-1
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Have precautions been checked for operating of flux applying and
automatic soldering?
ｐ13/15-1、ｐ15/15-2
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Have precautions been checked for cleaning operation of print board? ｐ13/15-1、ｐ15/15-2
□
Isn't glass shot performed for flux cleaning? (Particle of the glass may
get inside the relay and cause operation failure.)
ｐ13/15-1、ｐ15/15-2
□
Does significant warping of print board occur, which applies a force on a
relay teminal and changes the relay characteristics?
ｐ13/15-1、ｐ15/15-2
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Isn't the unused terminal cut? (Applied force on terminal can change the
characteristics.)
ｐ13/15-1、ｐ15/15-2
Soldering
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Any strong forces such as terminal clinch are not applied at attaching. ｐ18/16-3
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Aren't load, shock, or vibration which is out of the allowable range
applied during transportation?
ｐ18/17-1
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Are temperature and humidity within the allowable range? ｐ18/17-2
□
Is the ambient atomosphere free from organic gas and sulfidizing gas? ｐ18/17-2
Product
handling
□
Aren't dropped or fallen tube packages used? ｐ18/18-1
Contact
reliability
Storage,
transportation
PCB mounting
Use
environmental
condition
Contact
resistance
Category
Check
box
Check item
Check sheet (2/2)