ECS-HFR-A Series SMD CERAMIC RESONATOR • Chip Type SMD package • Wide Frequency range • Tape & Reel Packaging PART NUMBERING GUIDE "EXAMPLE" Package Type Frequency Version Tape and Reel Packaging ECS - HFR - 20.00 - A - TR Sample Part Number: ECS-HFR-20.00-A-TR OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS FREQUENCY FREQUENCY AGING FOR RESONANT FREQUENCY PART NUMBER * ACCURACY STABILITY TEN YEARS RESISTANCE IC RANGE @ +25°C (%) -20 ~ +80°C (%) (%) (Ω) MAX. (MHz) ECS-HFR-[][].[][]-A 20.00 ~ 30.00 ± 0.5 ± 0.4 ± 0.3 70 1/6 TC74 HCUO4 x 2 ECS-HFR-[][].[][]-A 30.01 ~ 50.00 ± 0.5 ± 0.3 ± 0.3 60 * Complete part number to include frequency i.e. ECS-HFR-20.00-A-TR PACKAGE DIMENSIONS (mm) Figure 1) Top & Side View Pad Connections 1 In/Out 2 Out/In Figure 2) Bottom View & Suggested Land ECS, INC. INTERNATIONAL 1105 S. Ridgeview, Olathe KS 66062 · 913-782-7787 · 800-237-1041 FAX 913-782-6991 · WWW.ECSXTAL.COM