CSM-4A SMD QUARTZ CRYSTAL The CSM-4ASMD version of the HC-49US FEATURES leaded crystal. The CSM-4Ahas a case height •Cost effective of 5 mm maximum in a resistance-weld • Resistance-weld sealing metal package. The CSM-4Ais also pin out • Extended Temp range available compatible with the EPSON MA-506. • Tape & Reel (1,000 pcs) PART NUMBERING GUIDE “EXAMPLE” MANUFACTURER FREQUENCY (4.000 MHz) LOAD CAPACITANCE* PACKAGE TYPE ECS – 40 – 20 – 28A * Load capacitance (xx=xx pF, S=series resonance) Package Type examples (-28A = 5.0 mm max. height, -28AL = 4.0 mm max. height) Note: See Product Selection Guide for additional options including tighter tolerances or extended temperature range. OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS PARAMETERS CONDITIONS MINIMUM TYPICAL MAXIMUM UNITS FREQUENCY RANGE 3.579545 70.000 MHz CALIBRATION TOLERANCE @ +25˚C ±30* PPM FREQUENCY STABILITY ref @25˚C -10 ~ +70˚C ±50* PPM SHUNT CAPACITANCE 7 pF LOAD CAPACITANCE CL (Customer Specified) 10 20.0 standard Series pF DRIVE LEVEL DL 500 µW OPERATING TEMPERATURE TOPR** -10 +70 ˚C STORAGE TEMPERATURE TSTG -30 +85 ˚C AGING CHARACTERISTICS (Per Year) @ +25˚C ±3˚C per year ±5 PPM * Tighter specifications are available. **Extended temperature range available. EQUIVALENT SERIES RESISTANCE / MODE OF OSCILLATION FREQUENCY RANGE (MHz) MODE OF OSC MAX ESR Ω FREQUENCY RANGE (MHz) MODE OF OSC MAX ESR Ω 3.579545 ~ 4.999 Fundamental 200 9.000 ~ 12.000 Fundamental 60 5.000 ~ 5.999 Fundamental 150 13.000 ~ 19.999 Fundamental 40 6.000 ~ 6.999 Fundamental 100 20.000 ~ 30.000 Fundamental 30 7.000 ~ 8.999 Fundamental 80 27.000 ~ 80.000 3rd O/T 100 PACKAGE DIMENSIONS (mm) 12.5 max 4 3 9.0 2.2 4.85 2.0 4 3 max REF 3.5 1 2 2.2 Height “H” (max.) -28A 5.0 mm 2.3 2.3 -28AL 4.0 mm 1 2 Figure 2) CSM-4A Internal Connections Figure 3) Land Pattern H 1.2 ± 0.1 1.3 ± 0.1 9.0 ± 0.1 (X4) Figure 1) CSM-4A - Top, Side and End views ECS, INC. INTERNATIONAL1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM SMD CRYSTALS 11 88 SMD CRYSTALS