Available at Digi-Key CS-044 3.2x2.5mm Crystal Resonator www.digikey.com Features: Description: 2111 Comprehensive Drive Aurora, Illinois 60505 Phone: 630- 851- 4722 Fax: 630- 851- 5040 www.conwin.com US Headquarters: 630-851-4722 European Headquarters: +353-61-472221 •Frequency: 54.0 MHz •Frequency Calibration: +/-15 ppm •Frequency Stability:+/-25 ppm •Temperature Range: -40 to 85°C •Surface Mount Package •Tape and Reel Packaging •RoHS Compliant / Lead Free The Connor-Winfield model CS-044 is a 54MHz fundamental mode, AT-cut crystal in a 3.2x2.5mm surface mount package. The CS-044 is designed to be used as a reference crystal in synthesizer applications. Electrical Specifications Parameter Minimum Nominal Maximum Units Notes Output Frequency (FO) 54.0 MHz Frequency Calibration (@25°C) -15 15 ppm Frequency Stability vs. Change in Temperature (Referenced to the frequency measured @25°C) -25 25 ppm Operating Temperature Range: -40 85 °C Operation Mode Fundamental Cut AT Cut Aging -1 1 ppm/Year Shunt Capacitance: (CO) - 2.0 pF Load Capacitance: (CL) 8 pF Equivalent Series Resistance @ 25 °C: 20 Ohms Drive Level 10 200 uW Insulation Resistance 500 Mohm @ 100 Vdc Storage Temperature: -40 95 °C Package Characteristics Package Leakage Hermetically sealed ceramic 3.2x2.5mm SMD Package. 0.01ppm atm, cc/sec. maximum Ordering Information CS-044-054.0M Package Outline 0.125 (3.2mm) Part Number 0.098 Pad 1 (2.5mm) Indicator Date Code CS044 4A * 54.0M GND 4 Bulletin Page Revision Date Xt390 1 of 2 02 03 Aug 2015 0.055 (1.4mm) 2 2 GND Top View Suggested Pad Layout 0.031 Max. (0.8mm Max.) 1 3 Frequency 1 0.047 (1.2mm) Pad Connections 0.031 (0.8mm) 0.055 (1.4mm) 0.020 4 (0.50mm) 3 0.047 (1.2mm) 1 2 0.047 (1.2mm) 0.027 (0.7mm) 4 3 Bottom View Dimensional Tolerance: ±.005 (.127mm) Top View 2111 Comprehensive Drive Aurora, Illinois 60505 Phone: 630- 851- 4722 Fax: 630- 851- 5040 www.conwin.com Tape and Reel Information Date Code Information LASER: 2 Character Date Code CS044 4A * 54.0M Year Code 3 = 2013 4 = 2014 5 = 2015 6 = 2016 7 = 2017 Month Code A = January B = February C = March D = April E = May F = June G = July H = August J = September K = October M = November N = December Date Code Example: 3J 3= 2013, J = September Marking Information Solder Profile Temperature 260°C 260°C 220°C 180°C Part Number CS044 4A * 54.0M Pad 1 Indicator Date (Year Month) Code Output Frequency 150°C 120°C 0 10 s Up to 120 s 60 to 90 s Typical Typical Meets IPC/JEDEC J-STD-020C Revision History Revision Date 00 01/14/14 01 07/08/14 02 08/03/15 Revision. New Release Update to Electrical Specs Update to Electrical Specs and Digi-Key Bulletin Page Revision Date Specifications subject to change without notification. See Connor-Winfield's website for latest revision. All dimensions in inches. © Copyright 2015 The Connor-Winfield Corporation Not intended for life support applications. Xt390 2 of 2 02 03 Aug 2015