Document No. JGC49-3326A P. 1/14 Specification of Crystal Unit Issue Date : December 22, 2017 1. Part Number Murata Part Number XRCED38M400FXQ50R0 (Frequency: 38.4000MHz / Size: 1.2x 1.0mm) 2. Scope This product specification is applied to the crystal unit used for the mobile and consumer equipments. Please contact us when using this product for any other applications than described in the above. 3. Appearance and Dimensions 3-1 : Appearance : No illegible marking. No visible dirt. 3-2 : 6 Dimensions of component : Please refer to item 6 for component dimensions. 3-3 : Construction : Crystal element is mounted onto alumina substrate, then metal cap covers over the element. 4. Rating Item Specification 4-1 -40 to +105C Operating Temperature Range 4-2 -40 to +105C Storage Temperature Range 4-3 30W (100W max.) Drive Level 4-4 Overtone Order Fundamental Murata Manufacturing Co.,Ltd. Document No. JGC49-3326A P. 2/14 5. Electrical Characteristics Item Specification 5-1 38.4000MHz Nominal Frequency 5-2 () Total Frequency Tolerance (including the following items) (+25C) *1 Frequency Tolerance(+25C) *1 20ppm/max. (-30 to +85C) *1 (+25C) Frequency Shift by Temperature(-30 to +85C) *1 (from initial value at +25C) 5-3 (-30 to +85C) *1 (+25C) 20ppm/max. Frequency Shift by Temperature(-30 to +85C) *1 (from initial value at +25C) 5-4 (-30 to +105C) *1 (+25C) 35ppm/max. Frequency Shift by Temperature(-30 to +105C) *1 (from initial value at +25C) 5-5 (+25C, 1year(s)) *1 () 1ppm/max. Frequency aging(+25C, 1year(s)) *1 (from initial value) 5-6 (ESR) *1 80 /max. Equivalent Series Resistance(ESR) *1 5-7 *2 500M /min. Insulation Resistance *2 (D.C.10015V ) (Applied D.C. 10015V) 5-8 (Cs) 10.0pF Load Capacitance *1 8 Please refer to item 8 for measuring method of frequency and Equivalent Series Resistance. *2 This characteristic shows the resistance between terminals. Murata Manufacturing Co.,Ltd.