32.768KHz,XTL721-S999-429,XTL72,3215mm,Siward諧振器，希華晶振，臺灣Siward晶振，產品編碼為：XTL721-S999-429，型號：XTL72，頻率為：32.768KHz，負載：6pF，精度：±20ppm，工作溫度范圍：-40℃至+85℃，小體積晶振尺寸：3.2x1.5x0.9mm封裝，兩腳貼片晶振，無源晶振，石英晶體諧振器，石英晶振，SMD晶振。具有超小型晶振，輕薄型晶振，高性能晶振，高可靠性晶振，高品質晶振，耐熱及耐環境等特點。被廣泛應用于：無線藍牙晶振、DVBH、無線局域網晶振，智能計量晶振，鐘表電子晶振，智能儀表晶振，智能家居等應用。
32.768KHz,XTL721-S999-429,XTL72,3215mm,Siward諧振器，產品特點：
超薄/尺寸：3.2×1.5×0.9mm貼片晶振
采用真空密封件，可靠性高
良好的抗沖擊性和耐熱性
32.768KHz,XTL721-S999-429,XTL72,3215mm,Siward諧振器,參數表
| Model | XTL72 | |||||||||||||
| Nominal frequency range | 32.768kHz | |||||||||||||
| Storage temperature range | -55 ~ +125℃ | |||||||||||||
| Operating temperature range | -40 ~ +85℃ | |||||||||||||
| Frequency tolerance (at +25℃) | ±20×10-6/±10×10-6 | |||||||||||||
| Load capacitance | 6pF, 7pF, 9pF, 12.5pF | |||||||||||||
| Equivalent series resistance | 70 kΩMax. | |||||||||||||
| Shunt capacitance | 1.1 pF Typ. | |||||||||||||
| Motional capacitance | 4.7 fF Typ. | |||||||||||||
| Turnover Temperature | +25℃±5℃ | |||||||||||||
| Parabolic Coecient | -0.04 ppm /℃2Max. | |||||||||||||
| Level of drive | 0.1μW (0.5μW Max.) | |||||||||||||
| Aging |
±3ppm / Year |
|||||||||||||
32.768KHz,XTL721-S999-429,XTL72,3215mm,Siward諧振器,尺寸圖
| 編碼 | 品牌 | 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 | 時計產品晶振 | 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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