CSM-4AX SMD QUARTZ CRYSTAL The CSM-4AX is a SMD version of the HC49US leaded crystal. The CSM-4AX has a case height of 5 mm maximum in a resistance-weld metal package. The CSM-4AX is also pin out compatible with the EPSON MA-506. FEATURES • Cost effective • Resistance-weld sealing • Extended Temp range available • Tape & Reel (1,000 pcs) • PbFree/RoHS Compliant PART NUMBERING GUIDE “EXAMPLE” MANUFACTURER ECS – FREQUENCY (4.000 MHz) 40 LOAD CAPACITANCE* 20 – PACKAGE TYPE 28AX – * Load capacitance (xx=xx pF, S=series resonance) Package Type examples (-28AX= 5.0 mm max. height, -28ALX = 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 FREQUENCY RANGE CALIBRATION TOLERANCE FREQUENCY STABILITY ref @25˚C SHUNT CAPACITANCE LOAD CAPACITANCE DRIVE LEVEL OPERATING TEMPERATURE STORAGE TEMPERATURE AGING CHARACTERISTICS (Per Year) CONDITIONS MINIMUM 3.579545 TYPICAL 10 20.0 standard MAXIMUM 70.000 ±30* ±50* 7 Series 500 +70 +85 ±5 @ +25˚C -10 ~ +70˚C CL (Customer Specified) DL TOPR** TSTG @ +25˚C ± 3˚C per year -10 -30 UNITS MHz PPM PPM pF pF µW ˚C ˚C PPM * Tighter specifications are available. **Extended temperature range available. EQUIVALENT SERIES RESISTANCE / MODE OF OSCILLATION FREQUENCY RANGE (MHz) 3.579545 ~ 4.999 5.000 ~ 5.999 6.000 ~ 6.999 7.000 ~ 8.999 MODE OF OSC Fundamental Fundamental Fundamental Fundamental MAX ESR Ω 200 150 100 80 FREQUENCY RANGE (MHz) 9.000 ~ 12.000 13.000 ~ 19.999 20.000 ~ 30.000 27.000 ~ 80.000 MODE OF OSC Fundamental Fundamental Fundamental 3rd O/T MAX ESR Ω 60 40 30 100 PACKAGE DIMENSIONS (mm) 12.5 max 4 9.0 3 2.2 4 2.0 REF 4.85 max 1 2 3 3.5 2.2 Height “H” (max.) -28AX 5.0 mm -28ALX 4.0 mm 1 2 Figure 2) CSM-4AX Internal Connections 2.3 2.3 Figure 3) Land Pattern H 1.3 ± 0.1 (X4) 9.0 ± 0.1 1.2 ± 0.1 Figure 1) CSM-4AX- Top, Side and End views ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM SMD CRYSTALS 17 SMD CRYSTALS