WMRAG32K76CS4C00R0

Document No. JPU40-0009B P. 1/15 Specification of MEMS resonator Issue Date : March 16, 2020 1. Part Number Murata Part Number WMRAG32K76CS4C00R0 (Frequency: 32.7680kHz / Size: 0.95 x 0.60mm) 2. Scope MEMS This product specification is applied to the MEMS resonator used for time base oscillator in a microcomputer. 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 : MEMS Construction : The MEMS resonator is packaged with silicon. Murata Manufacturing Co.,Ltd. Document No. JPU40-0009B P. 2/15 4. Rating Item Specification 4-1 -40 to +125C Operating Temperature Range 4-2 -55 to +125C Storage Temperature Range 4-3 0.2 W /max. Maximum Drive Level 4-4 D.C.3V /max. D.C. Voltage 5. Electrical Characteristics Item Specification 5-1 32.7680kHz Nominal Frequency 5-2 *1 20ppm /max. Oscillation Frequency Tolerance *1 5-3 *1 -270 to +10ppm /max. (-40 to +125C) Resonance Frequency Shift by Temperature *1 /from initial value 5-4 3ppm / Frequency Aging max./year 5-5 *1 75k /max. Equivalent Series Resistance *1 5-6 *2 500M /min. (D.C.10V ) Insulation Resistance *2 (Applied D.C.10V) 5-7 (C ) 1 4.5fF (typ.) Motional Capacitance (C ) 1 5-8 (C ) 0 0.003pF (typ.) Shunt Capacitance (C ) 0 5-9 (CL) 6.9pF (typ.) Built-in Load Capacitance (CL) 5-10 (Cs) 8.0pF (typ.) Load Capacitance *1 8 Please refer to the item 8 for measuring method of Oscillation frequency and Equivalent Series Resistance. *2 This characteristic shows the resistance between terminals. Murata Manufacturing Co.,Ltd.