Silicon packaged MEMS resonator Murata WMRAG32K76CS1C00R0 microcomputer time base oscillator 32.7680kHz

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Product Description

Murata MEMS Resonator WMRAG32K76CS1C00R0

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.

Product Attributes

Brand: Murata Manufacturing Co., Ltd.
Part Number: WMRAG32K76CS1C00R0
Material: Silicon packaging
Origin: Japan (implied by manufacturer)

Technical Specifications

Item	Specification
Part Number	WMRAG32K76CS1C00R0 (Frequency: 32.7680kHz / Size: 0.95 x 0.60mm)
Scope	MEMS resonator used for time base oscillator in a microcomputer.
Appearance	No illegible marking. No visible dirt.
Construction	The MEMS resonator is packaged with silicon.
Operating Temperature Range	-30 to +85C
Storage Temperature Range	-55 to +125C
Maximum Drive Level	0.2W max.
D.C. Voltage	D.C.3V max.
Nominal Frequency	32.7680kHz
*Oscillation Frequency Tolerance 1**	20ppm max.
*Resonance Frequency Shift by Temperature 1 (-30 to +85C)**	-150 to +10ppm max. (from initial value)
Frequency Aging	3ppm/year max.
*Equivalent Series Resistance 1**	75k max.
*Insulation Resistance 2 (Applied D.C.10V)**	500M min.
Motional Capacitance (C1)	4.5fF (typ.)
Shunt Capacitance (C0)	0.003pF (typ.)
Built-in Load Capacitance (CL)	6.9pF (typ.)
Load Capacitance (Cs)	8.0pF (typ.)
Dimensions (W x L x T)	0.950.05 x 0.600.05 x 0.300.05 mm
Terminal Numbers	(1)(3) Xin or Xout, (2)(4) GND or NC
Packaging (Taping)	5,000pcs per reel. Clockwise winding.
Frequency Measuring Method	Refer to item 8. Measurement circuit is made by Murata.
Equivalent Series Resistance Measuring Method	Impedance Analyzer (KEYSIGHT E4990A) or equivalent, 35mV applied voltage.
Measuring Condition	+251C, 25 to 75%R.H.
Drop Test	1.5m height, 6 directions, 3 times each, onto concrete. Meets Table 1.
Vibration Test (Sinusoidal)	10-55Hz, 1.5mm amplitude, 3 directions (X,Y,Z) for 2 hours each. In accordance with IEC60068-2-6. Meets Table 1.
Board Flex Test	3mm deflection, 5s hold time, PCB thickness 1.6mm. Meets Table 1.
Resistance to Soldering Heat (Re-flow)	Peak temp +2605C for 5.00.5s, 3 cycles. In accordance with IEC60068-2-58. Meets Table 1.
Solderability	Lead free solder (Sn-3.0Ag-0.5Cu). 90% or more terminal surface coated with solder.
High Temperature Exposure (Storage)	+1252C for 1000 hours. In accordance with IEC60068-2-2. Meets Table 1.
Cold (Storage)	-552C for 1000 hours. In accordance with IEC60068-2-1. Meets Table 1.
Humidity Exposure	+852C, 85%R.H. for 1000 hours. In accordance with IEC60068-2-78. Meets Table 1.
Temperature Cycling	500 cycles (-55C for 30 min to +125C for 30 min). In accordance with IEC60068-2-14. Meets Table 1.
Surge Voltage Resistance	CDM simulator, E = 500V. In accordance with JEITA EIAJ ED-4701/300-2. Meets Table 1.
Table 1: Frequency Deviation	10ppm max. (from initial value)
Table 1: ESR Deviation	10k max. (from initial value)