ECX-31X SMD TUNING FORK CRYSTAL The untra-miniature ECX-31X is a very compact SMD Tuning Fork Crystal. The 3.2 x 1.2 x 1 mm package is ideal for applications where real estate is at a premium. FEATURES • Low profile • long term stability • 1mm height max. • Tape and Reel (3,000 pcs) • PbFree/RoHS Compliant PART NUMBERING GUIDE “EXAMPLE” MANUFACTURER ECS – FREQUENCY (32.768 MHz) .327 LOAD CAPACITANCE 12.5 – – PACKAGE TYPE 32 Part Number: ECS-.327-12.5-32 OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS PARAMETERS CONDITIONS FREQUENCY Fo FREQUENCY TOLERANCE Δf/fo LOAD CAPACITANCE DRIVE LEVEL DL EQUIVALENT SERIES RESISTANCE RL TURNOVER TEMPERATURE TEMPERATURE COEFFICIENT ß SHUNT CAPACITANCE CO OPERATING TEMPERATURE RANGE TOPR STORAGE TEMPERATURE RANGE TSTG INSULATION RESISTANCE @ 100v DC ±15v MINIMUM TYPICAL 32.768 MAXIMUM ±20 12.5 +20 +25 -0.035 1.7 -40 -55 500M 1.0 50K +30 -0.043 +85 +125 UNITS KHz PPM pF µW Ω ˚C ppm/˚C2 pF ˚C ˚C Ω PACKAGE DIMENSIONS (mm) 1.0 Max. 1.2 ± 0.1 3.2 ± 0.1 1.3 1.0 1.3 1.07 1.6 0.725 0.725 Figure 1) ECX-32 - Top, Side Bottom & End views Figure 2) ECX-32 Land Pattern Figure 3) ECX-32 Crystal Connection ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM SMD CERAMIC RESONATORS 15 SMD CERAMIC RESONATORS