9 1238 9 1283 s.com Tel : Fax : email : 0044 (0)118 979 1238 0044 (0)118 979 1283 [email protected] ACT421SMX-4 The ACT421SMX-4 is a 4 pad, high quality, low aging SMD Crystal in a ceramic base / metal lid package, seam welded for good long term reliability. The lid is grounded through the package to assist with EMI issues and the pads are gold plated. It's wide frequency range and frequency tolerance / stability options with its small size make the device ideal for many applications including Notebook, PCMCIA, Instrumentation, Microprocessor Systems And Communications equipment. Specification Parameter Symbol Specification Frequency Range Frequency Tolerance @25°C Stability over temp range Temp Operating Range Temp Storage Range Equivalent Series Resistance Load Capacitance Shunt Capacitance Drive Level Insulation Resistance fo Δf/fo Tc Topr Tstg ESR CL C0 DL IR 12.00 ~ 50MHz ±10ppm ~ 30ppm ±10ppm ~ 30ppm Condition Aging Fa -10 ~ +60°C, -20~+70 or -40 ~+85°C -55 ~+125°C See table below 16pF, 20pF, 30pF,32pF std 5pF max 10μW (100μW max) 500MΩ min ±3ppm / year max Shock Please specify Please specify Please specify Please specify Please specify @100V DC @25°C Drop test 3 times onto 2mm stainless steel from 75cm Freq. Range (MHz) ESR (Ω) max Mode 12.0~24 24~50 80 60 Fundamental Fundamental Please note that all parameters can not necessarily be specified in the same device Customer to specify : Frequency, Frequency Tolerance, Temperature Stability, Operating Temperature & Load Capacitance In line with our ongoing policy of product evolvement and improvement, the above specification may subject to change without notice. ISO9001:2000 Registered For quotations or further information please contact us at: 3 The Business Centre, Molly Millars Lane, Wokingham, Berkshire, RG41 2EY, UK http://www.actcrystals.com Issue: 3 SC Date: 01/02/06 1 of 1