3. MARKING
3-1. 2 P X X
- The 1st and the 2nd character '2P' indicates dual SAW Filter SFR881PZ001.
- The 3rd character 'x' indicates the year and the month of manufacturing.
※ This rotates by the 3 years.
- The 4th character 'x' indicates the day of manufacturing.
3-2. ●
- The symbol '●' indicates input pin 1 and, the producing centre.
( ○: China, ● : Korea )
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