SM Crystal Low Profile SM Resistance Weld Crystal HC49SD The HC49SD series is a miniature AT or BT cut strip resonator crystal housed in low profile for surface mounting. The parts present a proven metal package technology with a precision molded base and universal contact configuration. RoHS Compliant Specifications: Frequency Range: HC49SD 3.2 MHz ~ 40 MHz Fundamental 20 MHz ~ 70 MHz Overtone Operating Temperature: 0°C ~ +50°C -A -10°C ~ +60°C -B -20°C ~ +70°C -C -40°C ~ +85°C -L Storage Temperature: -55°C ~ +125°C Frequency Tolerance: ± 50 ppm -50 (at 25°C) ± 30 ppm -30 ± 20 ppm -20 ± 10 ppm -10 Frequency Stability: ± 50 ppm -50 (over temperature range) ± 30 ppm -30 ± 20 ppm -20 ± 10 ppm -10 Circuit Condition: Equivalent Series Resistance: 10 pF ~ 32 pF or series Maximum resistance corresponds to frequency. Please see ESR table. All dimensions are in mm Drive Level: 1.0 mW max Shunt Capacitance: 7 pF max Aging: ± 5 ppm max per year Optional Features: Fundamental rd th th Ordering Information Product name + CL + Operating Temperature Range + Tolerance + Stability + Other Code + Frequency. -F 3 ,5 ,7 O.T. -3,5,7 Tape & Reel -TR i.e. HC49SD-20-C-30-30-F-24.000MHz Note: 1. Other frequencies, tolerances, stabilities, and operating temperature ranges available. Consult VTC Support for specific requirements. 2. Not all combinations of the above tolerances, stabilities, and temperature ranges are available. Consult VTC Support if your requirement is not standard. 3. All specifications subject to change without notice. Phone: +86 (10) 5820-3910 © 2010 by Vanlong Technology Co., Ltd. Fax: +86 (10) 5820-3915 Email: [email protected] Web: http://www.vanlong.com HC49SD