/men/news_view.aspx?id=627&gp=197
ECX-31B SMD TUNING FORK CRYSTAL
Source：本站Time：2017/10/9 11:50:21
The ECS ultra-miniature ECX-31B is a very compact SMD Tuning Fork Crystal. The 3.2 x 1.5 x 0.9 mm ceramic package is ideal for today's SMD manufacturing environment.
 |
• Low Profile • 3.2 x 1.5 mm Footprint • Extended Temp. Range • RoHS Compliant |
ECX-31B SMD TUNING FORK CRYSTAL Operating Conditions / Electrical Characteristics:
| PARAMETERS | CONDITIONS | MIN | TYP | MAX | UNITS |
| Frequency | FO | 32.768 | KHz | ||
| Frequency Tolerance e@ +25°C | Optional ±10 ppm, See P/N Guide | 士 20 | ppm | ||
| Load Capacitance | Specify in P/N | 12.5 | PF | ||
| Drive Level | DL | 0.1 | 1.0 | μW | |
| Equivalent Series Resistance | R1 |
|
70K | Ω | |
| Turnover Temperature | +20 | +25 | +30 | ℃ | |
| Temperature Coefficient | -0.028 | -0.034 | -0.040 | ppm/℃2 | |
| Shunt Capacitance | Co | 1.05 | PF | ||
| First Year Aging | @+25℃±3℃ | ±3 | ppm | ||
| Operating Temperature | Topr | -40 | +85 | ℃ | |
| Storage Temperature | Tstg | -55 | +125 | ℃ | |
| Insulation Resistance | @ 100V DC | 500M | Ω |
