Shenzhen Crystal Technology Industrial Co., Ltd.
Keep Perseverance 以恒心，造强芯
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HC-49U crystal Units with 7.289MHz 30pF ±20ppm -20~+70℃ ±20ppm
Specifications
| Type | 6A Through-hole Crystal |
| Frequency Range | 1~150 MHz |
| Frequency Tolerance (at 25℃) | ±20ppm, or specify |
| Frequency Stability Over Operating Temperature | ±20ppm, or specify |
| Operating Temperature Range | -20~+70℃, or specify |
| Storage Temperature Range | -55~+125℃ |
| Load Capacitance | 16pF, 20pF, 30pF, 32pF, or specify |
| Drive Level | 1~500μw (100μW Typ.) |
| Shunt Capacitance (C0) | 7pF Max. |
| Aging (at 25℃) | ±3ppm /Year Max. |
| Packing Unit | 100 pcs. |
Equivalent Series Resistance (ESR)
| Fundamental | 3rd Overtone | 5th Overtone | |||
| 1~3.0MHz | 350Ω Max. | 20~25MHz | 50Ω Max. | 70~100MHz | 60Ω Max. |
| 3~3.5MHz | 150Ω Max. | 25~30MHz | 40Ω Max. | 100~125MHz | 60Ω Max. |
| 3.5~4.0MHz | 90Ω Max. | 30~75MHz | 40Ω Max. | 125~150MHz | 60Ω Max. |
| 4~7.0MHz | 60Ω Max. | 75~100MHz | 60Ω Max. | ||
| 7~15.0MHz | 35Ω Max. | ||||
| 15~30MHz | 25Ω Max. | ||||
