ECM Surface Mount Crystal ECM 90SMX & 91SMX § § § § § High Density Mounting Excellent Shock Characteristics Competitive Prices For Volume Users Industry Standard Package Tape & Reel or Bulk Packaging Parameter Frequency Range Calibration Tolerance 0 @25 C Temperature Tolerance Operating Temperature Storage Temp Load Capacitance ESR Shunt Capacitance Drive Level Shock Resistance Ageing 90 & 91SMX 32.768kHz +/-20ppm +/-50ppm +/-100ppm 0 -0.4ppm/ C 0 2 0 -40 C to +85 C 0 0 -55 C to +125 C 6pf to ∞ (12.5pF Standard) 55KΩ max 1.0pF (Typ) 1.0µW +/-5ppm max +/-5ppm /yr A 10.41 H 2.7 B 4.06 I 5.0 C 3.56 K 0.6 D 9.40 E 0.51 F 0.51 G 2.54 L 1.7 Dimensions in mm ECM Electronics Limited, Penmaen House, Ashington, West Sussex, RH20 3JR, UK Tel: +44(0)1903 892810: Fax: +44(0)1903 892738. Email: [email protected] Although we have attempted to accurately reflect the products we market. ECM reserve the right without prior notice to discontinue any product or make design changes we believe necessary. Issue 1