ECX-31 SMD TUNING FORK CRYSTAL The untra-miniature ECX-31 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) Discontinued Replacement part ECX-31B PART NUMBERING GUIDE “EXAMPLE” MANUFACTURER ECS – FREQUENCY (32.768 KHz) .327 LOAD CAPACITANCE 12.5 – – PACKAGE TYPE 32 Part Number: ECS-.327-12.5-32 OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS PARAMETERS FREQUENCY FREQUENCY TOLERANCE LOAD CAPACITANCE DRIVE LEVEL EQUIVALENT SERIES RESISTANCE TURNOVER TEMPERATURE TEMPERATURE COEFFICIENT SHUNT CAPACITANCE OPERATING TEMPERATURE RANGE STORAGE TEMPERATURE RANGE INSULATION RESISTANCE CONDITIONS Fo ∆f/fo MINIMUM TYPICAL 32.768 MAXIMUM ±20 12.5 DL RL +20 ß CO T OPR T STG @ 100v DC ±15v +25 -0.035 1.7 -40 -55 500M 1.0 50K +30 -0.043 +85 +125 UNITS KHz PPM pF µW Ω ˚C ppm/˚C 2 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