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深圳市星通時頻電子有限公司
免費會員您現(xiàn)在的位置： 深圳市星通時頻電子有限公司>>SMD3215>> TF3215
產品介紹
產品詳情
特點
- 頻率范圍:32.768 kHz (32 kHz to 77.5 kHz);
- 外部尺寸:3.2 × 1.5 × 0.80 mm;
- 諧波次數(shù):基頻;
產品應用
- 小型便攜式通信設備;
介紹
FC-135 ( kHz 頻率范圍晶體單元 薄型表貼式(SMD))
| 參數(shù) | Parameter | Min. | Typ. | Max. | Unit | 條件（其他要求請聯(lián)系廠家） |
| 頻率范圍 | Frequency Range | - | 32.768 | - | KHz | |
| 調整頻差 | Frequency Tolerance | - | - | ±20 | ppm | at +25°C |
| 頻率溫度系數(shù) | Parabolic Curvature Constant | - | - | -0.042 | ppm/Δ°C^2 | |
| 拐點溫度 | Tumover Temperature | 20 | 25 | 30 | ℃ | |
| 工作溫度范圍 | Operating Temperature Range | -40 | - | 85 | ℃ | |
| 負載電容 | Load Capacitance | - | 7 ; 9 ; 12.5 | - | pF | |
| 等效串聯(lián)電阻 | Equivalent Series Resistance (ESR) | - | - | 80 | KΩ | |
| 靜電容 | Shunt Capacitance（C0） | - | 1.0 | - | pF | at 32.768KHz |
| 動電容 | Motional Capacitance（C1） | - | 3.4 | - | fF | at 32.768KHz |
| 激勵功率 | Drive Level | - | 0.5 | 1.0 | μW | |
| 絕緣阻抗 | Insulaton Resistance（Rs） | 500 | - | - | MΩ | at 100VD.C |
| 老化率 | Aging（25℃） | - | - | ±3 | ppm | ±3ppm/year max. |
| 儲存溫度范圍 | Storage Temperature Range | -40 | - | +85 | ℃ |
| 頻率溫度曲線 Frequency vs.Temperature Curve |
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| 外型尺寸 Mechanical Dimensions |
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| ⑴ 產品尺寸 Product Size |
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| ⑵ 焊盤尺寸 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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