Crystal Tuning Fork SMD （MC146/MC306）
Feature
- High Stability
- Small Size and Low Profile
- Excellent Reliability and Aging
Specifications
| |
Type |
MC146/MC306 |
| 频率范围 Frequency Range (MHz) |
Tuning fork |
32.768 MHz |
| 调整频差 (ppm) |
Frequency Tolerance (at 25 °C) |
±20 ~ ±50 ppm |
| 拐点温度 ( °C) |
Turnover Temperature |
25°C ±5 °C |
| 二次温度系数 |
Parabolic Curvature constant |
-0.034±0.006ppm/ °C2 |
| 工作温度 ( °C) |
Operating Temperature |
-10 °C ~ +60°C |
| 储存温度 ( °C) |
Storage Temperature Range |
-40 °C ~ +85°C |
| 等效电阻 (Ω) |
Equivalent Series Resistance |
65 kΩ MAX |
| 静态电容 (pF) |
Shunt Capacitance |
1.2 ~2.0 pF |
| 负载电容 (pF) |
Load Capacitance |
12.5 pF(Standard) |
| 绝缘电阻 (MΩ) |
Insulation Resistance |
≥500 MΩ // DC 100 V ± 10V |
| 激励功率(µW) |
Drive Level |
0.01 µW ~ 1000 µW |
| 老化率(ppm/y) |
Aging |
±2 ppm/ year, ±3 ppm/year, ± 5ppm/year |
Options Available
| |
Option |
| √ |
Reel packing /ammo packing |
| √ |
Different reel size option available |
| √ |
Special Freuency Tolerance requirement |
| √ |
Special ESR |
Parabolic Temperature
Dimensions (Unit:mm)
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