SI7013-A20-YM0 데이터 시트보기 (PDF) - Silicon Laboratories

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SI7013-A20-YM0

I2C HUMIDITY AND TWO-ZONE TEMPERATURE SENSOR

Silicon Laboratories 

Si7013-A20

4.4.3. Rework

To maintain the specified sensor performance, care must be taken during rework to minimize the exposure of the

device to excessive heat and to avoid damage/contamination or a shift in the sensor reading due to liquids, solder

flux, etc. Manual touch-up using a soldering iron is permissible under the following guidelines:

The exposed polymer sensing film must be kept clean and undamaged. A protective cover is

s recommended during any rework operation (Kapton® tape or the factory installed cover).

Flux must not be allowed to contaminate the sensor; liquid flux is not recommended even with a cover in

n place. Conventional lead-free solder with rosin core is acceptable for touch-up as long as a cover is in

ig place during the rework.

If possible, avoid water or solvent rinses after touch-up. Cleaning after soldering is possible, but must be

s done carefully to avoid impacting the performance of the sensor. See “AN607: Si70xx Humidity Sensor

Designer’s Guide” for more information on cleaning.

e Minimize the heating of the device. Soldering iron temperatures should not exceed 350 °C and the contact

D time per pin should not exceed five seconds.

Hot air rework is not recommended. If a device must be replaced, remove the device by hot air and solder

a new part in its place by reflow following the guidelines above.

w *Note: All trademarks are the property of their respective owners.

Not Recommended for Ne Figure 10. Si70xx with Factory-Installed Protective Cover

18

Rev. 1.4

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