Crystals
Oscillators
Resonators
Tuning Fork

KFI offers a comprehensive quartz crystal line. The crystal resonator product portfolio includes a broad selection of industry-standard packages including HC-49/U, metal surface mount, tubular, plastic-molded, and ceramic surface-mount. Our crystals function as a primary component in a broad line of precision and commodity oscillators, as well as modular timing solutions, or may be specified for direct use in electronic applications.


  • Completely seals with resistance welded package
  • Good frequency stability and high reliability
  • Best for densely populated PCBs with limited component space

Package / Dimensions Features
4 x 2.5mm (4 Pad) SMD Glass Ceramic package assures high reliability.
6 x 3.5mm SMD Glass Ceramic package assures high reliability.
7 x 5mm (2 Pad) SMD Glass Ceramic package assures high reliability.
7 x 5mm (4 Pad) SMD Glass Ceramic package assures high reliability.
11.8 x 5.5mm SMD Glass Ceramic package assures high reliability.
8 x 4.5mm SMD Glass Ceramic package assures high reliability.
5 x 3.2mm SMD Glass Ceramic package assures high reliability.
3-2 x 2-5mm SMD Seam Ceramic package assures high reliability.
2-5 x 2-0mm SMD Seam Ceramic package assures high reliability.
4 x 2-5mm (4 Pad) SMD Seam Ceramic package assures high reliability.
7 x 5mm SMD Seam Ceramic package assures high reliability.
5 x 3.2mm SMD Seam Ceramic package assures high reliability.
6 x 3.5mm SMD Seam Ceramic package assures high reliability.
HC-49S SMD Surface mount type crystal units.
HC-49U Dip Surface mount type crystal units.
HC-49S Dip Surface mount type crystal units.




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