2012mm,XTL741-U11-402,32.768KHz,XTL74,Siward諧振器，臺灣Siward晶振，希華晶振，型號：XTL74，編碼為：XTL741-U11-402，負載電容：7pF，精度：±20ppm，頻率為：32.768K晶振，工作溫度范圍：-40℃至+85℃，小體積晶振尺寸：2.0x1.2x0.6mm封裝，兩腳貼片晶振，石英晶振，SMD晶振，手表晶體，無源晶振，2012晶振，石英晶體諧振器。具有超小型，輕薄型，高性能，高品質，耐熱及耐環境特點。被廣泛應用于：通信晶振，無線應用晶振，藍牙模塊晶振、無線局域網，鐘表電子晶振，電腦主板晶振，數字顯示晶振，游戲機設備，電話機等應用。
2012mm,XTL741-U11-402,32.768KHz,XTL74,Siward諧振器,參數表
| Model | XTL74 | |||||||
| Nominal frequency range | 32.768kHz | |||||||
| Storage temperature range | -55 ~ +125℃ | |||||||
| Operating temperature range | -40 ~ +85℃ | |||||||
| Frequency tolerance (at +25℃) | ±20×10-6 | |||||||
| Load capacitance | 6pF, 7pF, 9pF, 12.5pF | |||||||
| Equivalent series resistance | 80 kΩMax. | |||||||
| Shunt capacitance | 1.2 pF Typ. | |||||||
| Motional capacitance | 6.0 fF Typ. | |||||||
| Turnover Temperature | +25℃±5℃ | |||||||
| Parabolic Coecient | -0.04 ppm /℃2Max. | |||||||
| Level of drive | 0.1μW (0.5μW Max.) | |||||||
| Aging | ±3ppm / Year | |||||||
2012mm,XTL741-U11-402,32.768KHz,XTL74,Siward諧振器,尺寸圖
| 編碼 | 時計產品晶振 | 描述 | 系列 | 頻率 |
| XTL721-Q23-048 | Siward希華 | CRYSTAL 32.768KHz 20PPM CRYSTAL | XTL72 | 32.768kHz |
| XTL721-S349-005 | Siward希華 | CRYSTAL 32.768KHz 20PPM CRYSTAL | XTL72 | 32.768kHz |
| XTL721-S999-301 | Siward希華 | CRYSTAL 32.768KHz 20PPM CRYSTAL | XTL72 | 32.768kHz |
| XTL721-S999-429 | Siward希華 | CRYSTAL 32.768KHz 20PPM CRYSTAL | XTL72 | 32.768kHz |
| XTL741-S999-319 | Siward希華 | CRYSTAL 32.768KHz 20PPM CRYSTAL | XTL74 | 32.768kHz |
| XTL741-U11-402 | Siward希華 | CRYSTAL 32.768KHz 20PPM CRYSTAL | XTL74 | 32.768kHz |
| XTL741-S999-298 | Siward希華 | CRYSTAL 32.768KHz 20PPM CRYSTAL | XTL74 | 32.768kHz |
| XTL741-S999-379 | Siward希華 | CRYSTAL 32.768KHz 20PPM CRYSTAL | XTL74 | 32.768kHz |
| XTL741-S999-327 | Siward希華 | CRYSTAL 32.768KHz 20PPM CRYSTAL | XTL74 | 32.768kHz |
| XTL721-S999-286 | Siward希華 | CRYSTAL 32.768KHz 20PPM CRYSTAL | XTL72 | 32.768kHz |
| XTL751-S999-544 | Siward希華 | CRYSTAL 32.768KHz 20PPM CRYSTAL | XTL75 | 32.768kHz |
| XTL751-S999-548 | Siward希華 | CRYSTAL 32.768KHz 20PPM CRYSTAL | XTL75 | 32.768kHz |
| XTL751-S999-420 | Siward希華 | CRYSTAL 32.768KHz 20PPM CRYSTAL | XTL75 | 32.768kHz |
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