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深圳市星通时频电子有限公司
免费会员·4年您现在的位置： 深圳市星通时频电子有限公司>>SMD2012>> TF2012
产品介绍
产品详情
特点
- 频率范围:32.768kHz (32kHz to 77.5kHz);
- 外部尺寸规格:2.05×1.2×0.6mm;
- 谐波次数:基频;
产品应用
- 小型电子产品;
介绍
星通时频（SCTF）具有小型,薄型,轻型的贴片晶振表面音叉型晶体谐振器
| 参数 | Parameter | Min. | Typ. | Max. | Unit | 条件（其他要求请联系厂家） |
| 频率范围 | Frequency Range | - | 32.768 | - | KHz | |
| 调整频差 | Frequency Tolerance | - | - | ±20 | ppm | at +25°C |
| 频率温度系数 | Parabolic Curvature Constant | - | - | -0.042 | ppm/Δ°C^2 | |
| 拐点温度 | Tumover Temperature | 20 | 25 | 30 | ℃ | |
| 工作温度范围 | Operating Temperature Range | -40 | - | +85 | ℃ | |
| 负载电容 | Load Capacitance | - | 6 ; 7 ; 9 ; 12.5 | - | pF | |
| 等效串联电阻 | Equivalent Series Resistance (ESR) | - | - | 80 | KΩ | |
| 静电容 | Shunt Capacitance（C0） | - | 1.3 | - | pF | at 32.768KHz |
| 动电容 | Motional Capacitance（C1） | - | 6.4 | - | fF | at 32.768KHz |
| 激励功率 | Drive Level | - | 0.5 | 1.0 | μW | |
| 绝缘阻抗 | Insulaton Resistance（Rs） | 500 | - | - | MΩ | at 100VD.C |
| 老化率 | Aging（25℃） | - | - | ±3 | ppm | ±3ppm/year max. |
| 储存温度范围 | Storage Temperature Range | -40 | - | +125 | ℃ |
| 频率温度曲线 Frequency vs.Temperature Curve |
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| 外型尺寸 Mechanical Dimensions |
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| ⑴ 产品尺寸 Product Size |
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| ⑵ 焊盘尺寸 Pad Size |
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| Profifile Feature | Sn-Pb Eutectic Assembly | Pb-Free Assembly |
| Preheat/Soak | ||
| ● Temperature Min(Ts min) | 100℃ | 150℃ |
| ● Temperature Max (Ts max) | 150℃ | 200℃ |
| ● Time (Ts min to Ts max) | 60-120 seconds | 60-120 seconds |
| Ramp-up rate (TL to Tp) | 3 °C/second max. | 3 °C/second max. |
| Time maintained above | ||
| ● Liquidous temperature (TL) | 183℃ | 217℃ |
| ● Time (tL) maintained above TL | 60-150 seconds | 60-150 seconds |
| Peak package body temperature (Tp) | 235℃ | 260℃ |
| Time within 5 °C of the specifified classifification temperature (Tp) | 20 seconds | 30 seconds |
| Ramp-down rate (Tp to TL) | 6 °C/second max. | 6 °C/second max. |
| Time 25 °C to peak temperature | 6 minutes max. | 8 minutes max. |
| Suggust reflow times | 2 Times max. | |
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