TAI-SAW TECHNOLOGY CO., LTD. No. 3, Industrial 2nd Rd., Ping-Chen Industrial District, Taoyuan, 324, Taiwan, R.O.C. TEL: 886-3-4690038 FAX: 886-3-4697532 E-mail: [email protected] Web: www.taisaw.com Approval Sheet For Product Specification Issued Date:8/09/2007 (REV. NO: 1) Product Name: HC49US 25 MHz Crystal Unit TST Parts No.: TZ1274A Customer Parts No. : Company: Division: Approved by: Date: Checked by: C.C. Hsu Approval by: Robert Chang Date: 8/09/2007 TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document FR-71S03-01 TAI-SAW TECHNOLOGY CO., LTD. No. 3, Industrial 2nd Rd., Ping-Chen Industrial District, Taoyuan, 324, Taiwan, R.O.C. TEL: 886-3-4690038 FAX: 886-3-4697532 E-mail: [email protected] Web: www.taisaw.com HC49US DIP 25MHz Crystal Unit MODEL NO.: TZ1274A REV. NO.: 1 Features: Surface Mount Seam Weld Package Good Frequency Perturbation and Stability over temperature RoHS Compliant Lead free Lead-free soldering Description and Applications: HC49US crystal unit for use in wireless telecommunications devices Electrical Specifications: TZ1274A Specification Nominal Frequency 25.000000 MHz Mode of Oscillation Fundamental Storage Temperature Range -40°C~+85°C Operating Temperature Range -20°C~+85°C Frequency Stability over Operating Temperature Range +/-15 ppm (referred to the value at 25°C) Frequency Make Tolerance (FL) +/-10 ppm @ 25°C +/- 3°C Equivalent Series Resistance (ESR) 30 Ω max. Nominal Drive Level 100 uW Shunt Capacitance (Co) 7.0 pF MAX Load Capacitance (CL) 20.0 pF Aging +/-3.0 ppm/year Insulation Resistance 500 MΩ min./DC 100V Marking Laser marking TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document 2 Mechanical Dimensions (mm): Marking: Line 1: Frequency (25.000) Line 2: Product Code +TST Logo + Date Code(“Z” stand for product code and “D” for date code) + X (TST Trace code) 25.000 T ZDX 1274○ Product Code Table Year 2001 2005 2002 2006 2003 2007 2004 2008 Product Code Z z Z z Date Code Table WK01 WK02 WK03 WK04 WK05 WK06 WK07 WK08 WK09 WK10 WK11 WK12 WK13 A B C D E F G H I J K L M WK14 WK15 WK16 WK17 WK18 WK19 WK20 WK21 WK22 WK23 WK24 WK25 WK26 N O P Q R S T U V W X Y Z WK27 WK28 WK29 WK30 WK31 WK32 WK33 WK34 WK35 WK36 WK37 WK38 WK39 a b c d e f g h i j k l m WK40 WK41 WK42 WK43 WK44 WK45 WK46 WK47 WK48 WK49 WK50 WK51 WK52 n o p q r s t u v w x y z TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document 3