Pl tronics,. Inc. 19013 36th Ave. W, Suite H Lynnwood, WA 98036 USA Manufacturer of High Quality Frequency Control Products SM42, SM30, SM25 Crystal HC-49/US Low Profile Crystal Mounted on Surface Mount Platform (HC-49/SMD) Available in 3 heights, SM42: 4.6mm, SM30: 3.5mm, SM25: 2.7mm 3.000 MHz - 70.000 MHz Standard Specifications 30 PPM is standard, tighter tolerances available Calibration Frequency Tolerance at 25 C Operating Temperature Range (OTR) 0 to +70C is standard, but can be extended to -40 to +85C Frequency Stability (FS) over OTR 50 PPM is standard, tighter tolerances available Drive Level 50 W is standard, customer may specify Aging at 25C 5 PPM per year is standard, customer may specify 1 PPM Shunt Capacitance 7 pF maximum Pullability May be specified by customer in terms of frequency shift required over a certain range of load capacitance (e.g. +100 PPM from CL=12 to CL=18 pF) or as motional capacitance ( fF ) Part Numbering Guide ESR Values Portions of the part number that appear after the frequency may not be marked on part (C of C provided) Oscillation Mode SM42 B E - xx - 70.0M - XXX (Internal Code or blank) Model SM42: 4.6 mm SM30: 3.5mm SM25: 2.7mm Cal Tol / Freq Stability Blank = 30/50 B = 30/30 C = 15/30 D = 10/20 (consult factory) Frequency in MHz Frequency Range (MHz) Fundamental AT Cut 3.000 4.000 5.000 6.000 7.000 8.000 13.000 - 3.999 - 4.999 - 5.999 - 6.999 - 7.999 - 12.999 - 30.000 200 150 120 100 80 50 40 3rd Overtone AT Cut 25.000 - 70.000 100 Load Capacitance Parallel Resonance in pF (3 10 pF) SR = Series Resonance Temperature Range Blank: 0 to +70C E: - 40 to +85C H: - 20 to +70C Consult factory for available frequencies and specs. Not all options available for all frequencies. A special part number may be assigned. Mechanical: inches (mm) Maximum ESR (Ohms) Consult factory for lower ESR Solder Pads not to scale Due to part size and factory abilities, part marking may vary from lot to lot and may contain our part number or an internal code. .406 (10.3) MAX SM42: .181 (4.6) MAX SM30: .138 (3.5) MAX SM25: .106 (2.7) MAX Packaging 24mm tape 16mm pitch .508 (12.9) MAX .453 (11.5) MAX .181 (4.6) .185 (4.7) MAX .06 (1.5) .189 (4.8) Feb 2006 Pl tronics, Inc. (425) 776 -1880, Fax: (425) 776-2760, ple-sales@pletronics.com, www.pletronics.com 36