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Pressure Sensors Forum Discussions

Mitchell_shen
Level 4
Level 4
100 sign-ins 5 solutions authored First solution authored
‎Feb 02, 2023 05:33 PM
‎Feb 02, 2023 05:33 PM

PCBA production process for Tire pressure sensor(TPMS)

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In our factory, PCBA will go through water clean process.

Does Tire pressure sensor(TPMS) allow this clean process?

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1 Solution
WangYaran
Moderator
Moderator
Moderator
50 replies posted 250 sign-ins 25 solutions authored
‎Feb 05, 2023 10:12 PM
‎Feb 05, 2023 10:12 PM

Re: PCBA production process for Tire pressure sensor(TPMS)

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Hi shen，

As far as I know, factory water washing requires pure water and nitrogen dehydration. Although the TPMS meets the harsh industrial environment, the sensor package does not support water washing. It is better not to weld the sensor before cleaning. See the specification for details.

https://www.infineon.com/dgdl/Infineon-SP400-11-01-DataSheet-v01_02-EN.pdf?fileId=5546d4627255dbad01...

https://www.infineon.com/cms/cn/product/sensor/pressure-sensors/tire-pressure-sensor-tpms/

WangYaran_0-1675663830171.png

WangYaran_1-1675663886990.png

BR

Yaran

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WangYaran
Moderator
Moderator
Moderator
50 replies posted 250 sign-ins 25 solutions authored
‎Feb 05, 2023 10:12 PM
‎Feb 05, 2023 10:12 PM

Re: PCBA production process for Tire pressure sensor(TPMS)

Jump to solution

Hi shen，

As far as I know, factory water washing requires pure water and nitrogen dehydration. Although the TPMS meets the harsh industrial environment, the sensor package does not support water washing. It is better not to weld the sensor before cleaning. See the specification for details.

https://www.infineon.com/dgdl/Infineon-SP400-11-01-DataSheet-v01_02-EN.pdf?fileId=5546d4627255dbad01...

https://www.infineon.com/cms/cn/product/sensor/pressure-sensors/tire-pressure-sensor-tpms/

WangYaran_0-1675663830171.png

WangYaran_1-1675663886990.png

BR

Yaran

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