RESISTANCE WELD SMD CRYSTAL

www.DataSheet4U.com SM Crystal Low Profile SM Resistance Weld Crystal 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. HC49SD Specifications: Frequency Range: 3.2 MHz ~ 40 MHz Fundamental 20 MHz ~ 70 MHz Overtone Operating Temperature: 0°C ~ +50°C -10°C ~ +60°C -20°C ~ +70°C -40°C ~ +85°C Storage Temperature: Frequency Tolerance: (at 25°C) -55°C ~ +125°C ± 50 ppm ± 30 ppm ± 20 ppm ± 10 ppm Frequency Stability: (over temperature range) ± 50 ppm ± 30 ppm ± 20 ppm ± 10 ppm Circuit Condition: Equivalent Series Resistance: -50 -30 -20 -10 -50 -30 -20 -10 -A -B -C -L HC-49SD 10 pF ~ 32 pF or series Maximum resistance corresponds to frequency. Please see ESR table. All dimensions are in mm Drive Level: Shunt Capacitance: Aging: Optional Features: 1.0 mW max 7 pF max ± 5 ppm max per year Fundamental 3 ,5 ,7 O.T. Tape & Reel rd th th Ordering Information Product name + CL + Operating Temperature Range + Tolerance + Stability + Other Code + Frequency. i.e. HC49SD-20-C-30-30-F-24.000MHz -F -3,5,7 -TR Note: 1. Other frequencies, tolerances, stabilities, and operating temperature ranges available. Consult VTC Support for specific requirements. Not all combinations of the above tolerances, stabilities, and temperature ranges are available. Consult VTC Support if your requirement is not standard. All specifications subject to change without notice. 2. 3. Phone: +86 10 6301 4184 © 2004 by Vanlong Technology Co., Ltd. Fax: +86 10 6301 9167 Email: sales@vanlong.com Web: http://www.vanlong.com HC49SD