4. MARKING
4-1. y A X X X
- The 1st, 2nd character 'yA' indicates the model name of SAW Filter SFH897APQ102.
- The 3rd character 'X' indicates the year and the month of manufacture.
※ This rotates by the 3 years.
- The 4th, 5th character 'X' indicates Lot No.
5-2.●
-This symbol indicates input pin 1.
- This indicates the producing center
○: China, ●: Korea
5-3. Marking: Laser Marking
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SHOULDER ELECTRONICS LIMITED
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