ECS-HFR-B Chip Type SMD Package RoHS Compliant (Note 7 Exemption) Built-in load capacitor Tape & Reel Packaging SMD CERAMIC RESONATOR The ECS-HFR-B Series SMD ceramic resonator includes built in capacitors for reduced component count. The SMD Ceramic resonator is an excellent low cost frequency control solution when absolute frequency accuracy is not important. OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS PART NUMBER * FREQUENCY RANGE (MHz) FREQUENCY ACCURACY @ 25°C (%) FREQUENCY STABILITY -20 ~ +80°C (%) AGING FOR TEN YEARS (%) ESR (Ω) MAX. BUILT-IN CAPACITANCE (C1 & C2) ECS-HFR-□□.□□-B 20.00 ~ 30.00 ± 0.5 ± 0.4 ± 0.3 70 8 pF ECS-HFR-□□.□□-B 30.10 ~ 50.00 ± 0.5 ± 0.3 ± 0.3 60 8 pF IC 1/6 TC74HCU04 x2 PACKAGE DIMENSIONS (mm) PIN CONNECTIONS #1 In/Out #2 Ground #3 Out/In PART NUMBERING GUIDE: "Example" ECS-HFR-20.00-B-TR ECS - Series - HFR = Chip Type 1105 South Ridgeview Road z Frequency - 20.00 = 20.00 MHz Olathe, KS 66062 z Version - B = Built In Caps Phone: 913.782.7787 z Packaging TR = Tape & Reel Fax: 913.782.6991 z www.ecsxtal.com