ECS-HFR-B SMD Ceramic Resonator The ECS-HFR-B Series SMD ceramic resonator includes built in capacitors for reduced component count. The SMD Ceramic Request a Sample resonator is an excellent low cost frequency control solution when absolute frequency accuracy is not important. OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICSFrequencyAgingECS-HFR-BFrequencyESRBuilt-InFrequencyStabilityfor TenPart Number *Accuracy(Ω)CapacitanceICRange (MHz)-20 ~ +80⁰CYears@25⁰C (%)MAX(C1 & C2)(%)(%)ECS-HFR-□□.□□-B 20.00 ~ 30.00 ±0.5 ±0.4 ±0.3 70 8 pF 1/6 TC74HCU04x2 ECS-HFR-□□.□□-B 30.10 ~ 50.00 ±0.5 ±0.3 ±0.3 60 8 pF Complete part number to include frequency Part Numbering Guide: ECS-HFR-20.00-B-TR • Chip Type SMD Package • RoHS Co mpliant (Note 7 Exemption) ECS - Series - Frequency - Version - Packaging • Built-In L oad Capacitor • Tape & Reel Packaging ECS HFR = Chip Type B = Built In Caps TR = Tape & Reel 20.00 = 20.00 MHz 3K/Reel Package Dimensions (mm)Pin Connections #1 In/Out Figure 2) Land Pattern #2 Ground #3 Out/In Figure1) Top, Side, and Bottom Views 15351 West 109th Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com