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1.png is a 3pf NPO. The Underbar under the number indicates read orientation, this side down.
The black top marking on the brown ceramic capacitor (usually under 100pf) indicates it is an NPO (Negative Positive Zero) Meaning its Temp Co is 0 ppm/°C at room temperature. Thus it is suitable for use in circuits where frequency or timing accuracy versus temperature change is critical, such as RF filters, Audio and RF Oscillators and Digital CMOS Crystal oscillators.

[QUOTE="NZ8N, post: 797784, member: 51368"] 1.png is a 3pf NPO. The Underbar under the number indicates read orientation, this side down. The black top marking on the brown ceramic capacitor (usually under 100pf) indicates it is an NPO (Negative Positive Zero) Meaning its Temp Co is 0 ppm/°C at room temperature. Thus it is suitable for use in circuits where frequency or timing accuracy versus temperature change is critical, such as RF filters, Audio and RF Oscillators and Digital CMOS Crystal oscillators. [/QUOTE]

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