| 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) |
