XTL721-S999-301,32.768kHz,XTL72,Siward品牌,3215mm晶振，台湾Siward晶振，希华晶振，型号：XTL72，编码为：XTL721-S999-301，频率为：32.768KHz，负载：9pF，精度：±20ppm，工作温度范围：-40℃至+85℃，小体积晶振尺々寸：3.2x1.5x0.9mm封装，两脚贴片晶振，石英晶振，3215晶振，无源晶振，石英晶体谐振器＠ ，SMD晶振。具有超小型晶振，轻薄型晶振，高性能晶振，高可靠性晶振，高品质晶振，耐热及耐环境等特点。被广泛应用于：蓝牙晶振、DVBH、无线局域网晶振，智№能计量晶振，时钟晶振，智能仪表晶振，数码电子等应用。
XTL721-S999-301,32.768kHz,XTL72,Siward品牌,3215mm晶振，产品特点：
超薄/尺寸：3.2×1.5×0.9mm
采用真空密封▲件，可靠性高
良好的抗冲击性和耐热性
XTL721-S999-301,32.768kHz,XTL72,Siward品牌,3215mm晶振,参数表
| 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 |
|||||||||||||
XTL721-S999-301,32.768kHz,XTL72,Siward品牌,3215mm晶振,尺寸图
| 编码 | 品牌 | 描述 | 系列 | 频率 |
| XTL721-Q23-048 | Siward希华 | CRYSTAL 32.768KHz 20PPM CRYSTAL | XTL72 | 32.768kHz |
| XTL721-S349-005 | Siward希华 | CRYSTAL 32.768KHz 20PPM CRYSTAL | XTL72 | 32.768kHz |
| XTL721-S999-301 | Siward希华 | CRYSTAL 32.768KHz 20PPM CRYSTAL | XTL72 | 32.768kHz |
| XTL721-S999-429 | Siward希华 | CRYSTAL 32.768KHz 20PPM CRYSTAL | XTL72 | 32.768kHz |
| XTL741-S999-319 | 石英晶振 | CRYSTAL 32.768KHz 20PPM CRYSTAL | XTL74 | 32.768kHz |
| XTL741-U11-402 | Siward希华 | CRYSTAL 32.768KHz 20PPM CRYSTAL | XTL74 | 32.768kHz |
| XTL741-S999-298 | Siward希华 | CRYSTAL 32.768KHz 20PPM CRYSTAL | XTL74 | 32.768kHz |
| XTL741-S999-379 | Siward希华 | CRYSTAL 32.768KHz 20PPM CRYSTAL | XTL74 | 32.768kHz |
| XTL741-S999-327 | Siward希华 | CRYSTAL 32.768KHz 20PPM CRYSTAL | XTL74 | 32.768kHz |
| XTL721-S999-286 | Siward希华 | CRYSTAL 32.768KHz 20PPM CRYSTAL | XTL72 | 32.768kHz |
| XTL751-S999-544 | Siward希华 | CRYSTAL 32.768KHz 20PPM CRYSTAL | XTL75 | 32.768kHz |
| XTL751-S999-548 | Siward希华 | CRYSTAL 32.768KHz 20PPM CRYSTAL | XTL75 | 32.768kHz |
| XTL751-S999-420 | Siward希华 | CRYSTAL 32.768KHz 20PPM CRYSTAL | XTL75 | 32.768kHz |
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XTL72,XTL721-Q23-048,3215mm,32.768kHz,Siward希华晶振