NX1255GB

Crystal Units NX1255GB n Features A small surface-mount type crystal unit, ideal for an engine control CPU clock; delivering the high reliability that is particularly demanded by car electronics. (NX1255GB : 12.0 × 5.5 × 2.5mm typ.) lStable start-up characteristic even under extremely severe environmental conditions. lExcellent environmental characteristics, including heat, vibration and shock resistance. lCompatible with low frequencies starting from 3.5MHz. lLead-free. Meets the requirements for re-flow profiling using lead-free solder. lConforms to AEC-Q200. For Car Electronics n Specifications Item Frequency Range Overtone Order Frequency Tolerance (25 ±3℃) Temperature Characteristics (with reference to +25°C) Operating Temperature Range Equivalent Series Resistance Drive Level Load Capacitance Model NX1255GB 3.5 to 25MHz Fundamental ±50 × 10−6 ±150 × 10−6 −40 to +125℃ Refer to *1 50μW(Max:500μW) 12pF 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. n How to Specify an Order When ordering our products, specify them with an “Ordering Code” that consists of the following : Model name - Frequency (Max : 9 digits) M - Number for specifying an order Example NX1255GB-16.000M-STD-CSS-3 If you have any queries concerning our standard frequencies and numbers for specifying orders, please contact our sales representatives or visit our homepage (http://www.ndk.com/). n Dimensions mm 11.8±0.15 5.5 ±0.15 *1 Equivalent Series Resistance Frequency (MHz) (Range) 3.5 to 4 4 to 8 8 to 12 12 to 25 #1 #2 Equivalent Series Resistance max.[Ω] 200 180 120 80 Internal connections(TOP VIEW) #4 #3 2.5±0.15 5.08 2.0 1.5 #1 #2 Reference land pattern 2.2 4.4 2.4 #4 #3 5.08 cu38_071108_NX1255GB_e1