Product Details:
Payment & Shipping Terms:
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| Other Name: | Crystal Oscillator | Nominal Frequency: | 32.768KHz |
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| Oscillation Mode: | Fundamental | Cutting Mode: | X +2° Cut |
| Measurement Instrument: | S&A 250B | Operating Temperature: | -20~+70℃ |
| Highlight: | electret condenser microphone,pir motion sensor |
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32.768KHz DIP cylinder type tuning fork quartz crystal resonators
Operation condition:
| Item | Symbol | Min. | TYP. | Max. | Unit |
| Operating temperature range | Topt | -20 | 70 | ℃ | |
| Storage temperature range | Tstg | -40 | 85 | ℃ | |
| Load capacitance | CL | 12.5 | pF | ||
| Drive level | DL | 0.1 | uW |
Frequency stability:
| Item | Symbol | Min. | TYP | Max. | Unit | Condition |
| Tolerance | dF/Fo | -10 | 10 | ppm | Refer to center frequency@25±3℃ | |
| Stability over temperature | dF/F25 | -0.034 | ppm/℃2 | Refer to operating temperature | ||
| Aging | dF/F25 | -5 | 5 | ppm | Per year |
dF/Fo: Frequency deviation refer to center frequency
dF/F25: Frequency deciation refer to 25℃ frequency
Electrical performance:
| Item | Symbol | Min. | TYP | Max. | Unit | Condition |
| Equivalent series resistance | ESR | 40 | KΩ | @series | ||
| Shut capacitance | C0 | 1.4 | 3 | pF | ||
| Insulation resistance | IR | 500 | MΩ | @DC 100V |
Reliability specification:
| Test items | Test method and condition | Requirements |
| Virbration | (1)Vibration Frequency 10 to 55Hz (2)Vibration Amplitude 1.5mm (3) Cycle Time 1-2min(10-55-10Hz) (4)Direction X.Y.Z (5)Duration 2h/each direction |
Frequency Change:±5ppm Max. Resistance Change: 5kohm Max. |
| Shock | 3 Times free drop from 75cm height to hard wooden board of thickness more than 30mm | Frequency Change:±5ppm Max. Resistance Change: 5kohm Max. |
| Hermetic seal | Helium leak detector Checked:before the molded crystal uints |
less than 1 × 10 EXP(–7) mbar.l/sec. |
| Solder ability | Dip the leads of crystal units into the solution (7-10%) of rosin 3±0.5s,then dip it into the tank 5-10s. Temperature of solder melted tank is 245°C±5℃ |
The dipped surface of the leads should be at least 95% covered with continuous new solder coating |
| High temperature | 96 hours at +100℃±2℃ After 1-2hours past at room temperature from following |
Frequency Change:±5ppm Max. Resistance Change: 5kohm Max. |
| Low temperature | 72 hours at -40℃±2℃ After 1-2hours past at room temperature from following test. |
Frequency Change:±5ppm Max. Resistance Change: 5kohm Max. |
| Humidity | 96 hours at +40℃±2℃,relative humidity 90-95% After 1-2hours past at room temperature from following |
Frequency Change:±5ppm Max. Resistance Change: 5kohm Max. |
| Temperature cycle |
After supplying the following temperature cycle (50cycles)
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Frequency Change:±5ppm Max. Resistance Change: 5kohm Max. |
| Salt spray test | On the basis of GB/T10125-1997 | Frequency Change:±5ppm Max. Resistance Change: 5kohm Max. |
| Lead strength | In the lead 2.00 Kg tensile force was applied at the end to keep more than 5 seconds | Frequency Change:±5ppm Max. Resistance Change: 5kohm Max. |
Dimension:(mm)
Contact Person: Mr. Roy Zhang
Tel: 86 574 55878090
Fax: 86-574-55878097
