nominal frequency (mhz) equivalent series resistance max.[] 3.5 to 4 4 to 8 8 to 12 12 to 25 200 180 120 80 nx1255gb for automotive cu45_091126_nx1255gb_e quartz crystal units *1 equivalent series resistance n features n specifications example nx1255gb-4.000m-std-css-3 when ordering our products, specify them with an ordering code that consists of the following : -- m if you have any queries concerning our standard frequencies and numbers for specifying orders, please contact our sales represe ntatives or visit our homepage (http://www.ndk.com/). model name frequency (max : 9 digits) number for specifying an order n how to specify an order n dimensions a small surface-mount type crystal unit, ideal for automotive. compatible with an engine control cpu clock delivering the high reliability that is particularly demanded. stable start-up characteristic even under extremely severe environmental conditions. excellent environmental characteristics, including heat, vibration and shock resistance. compatible with low frequencies starting from 3.5 mhz. meets the requirements for re-flow profiling using lead-free solder. conforms to aec-q200. l l l l l nominal frequency overtone order frequency tolerance (25 3 ) frequency versus temperature characteristics (with reference to +25 c) operating temperature range storage temperature range equivalent series resistance level of drive load capacitance 3.5 to 25 mhz fundamental 50 10 ?6 150 10 ?6 ?40 to +125 ?40 to +125 refer to *1 50 w (max. 500 w) 12 pf item model nx1255gb the above specifications are standard for this ndk product. custom-made specifications such as load capacitance and temperature characteristics are also available. please contact ndk sales with your enquiries. mm 5.08 2.0 5.08 2.4 2.2 4.4 #4 #3 #4 #3 #1 #2 #1 #2 5.50.15 2.50.15 1.5 11.80.15 land pattern (typical) terminal land connections (top view)
|
