Features
12.7*4.7*3.2mm Glass seal SMD crystal
A surface mount version of the AT-49.
High reliability by a hermetically sealed metal package.
Correspond to automatic mounting and reflow soldering.
AEC-Q200 Compliant
RoHS compliant Lead free soldering
Type :
AHAModel :
HC-49SMD2Package size :
12.7*4.7*3.2mmFrequency :
7.072M~100.000MSMD Quartz Crystal HC-49SMD2
HC-49SMD2 quartz crystal is a crystal package that is the SMD version of HC-49 with a height of 3.2mm. Crystals are commonly used components in electronic devices to generate stable frequency signals. The HC-49SMD2 crystal is packaged in the form of surface mount technology (SMD), which can be easily mounted on the circuit board, saving space and improving production efficiency. Its size is the SMD version of HC-49, but the height is slightly higher than the traditional HC-49 crystal, which is 3.2mm. HC-49SMD2 crystals are usually used as clock crystals or frequency control elements and are widely used in electronic devices such as computers, communication equipment, radio transceivers, etc. HC-49SMD2 crystals have good stability, accurate frequency, high temperature stability and other special features. The common operating frequency is tens of kilohertz to hundreds of megahertz. Because the package is in SMD form, the HC-49SMD crystal is more suitable for automated production, and mechanical and electrical connections can be made on the circuit board.
1. ELECTRICAL SPECIFICATIONS
| No. | Item | Symb | Electrical Specification | Remark | |||
| Min. | Type | Max. | Units | ||||
| 1 | Nominal Frequency | F0 | 3.072 | 100 | MHz | ||
| 2 | Mode of Vibration | Fundamental △3rd Overtone △5th Overtone |
|||||
| 3 | Frequency Tolerance | △F/F0 | ±10 | ±30 | ±50 | ppm | at 25℃±3℃ |
| 4 | Operating Temperature Range | TOPR | -20~70 -40~85 |
℃ | |||
| 5 | Frequency Stability | TC | ±30 | ±50 | ppm | ||
| 6 | Storage Temperature | TSTG | -40 | - | 85 | ℃ | |
| 7 | Load capacitance | CL | 6~specify | pF | |||
| 8 | Equivalent Series Resistance | ESR | Seepage 1 | Ω | |||
| 9 | Drive Level | DL | - | 100 | μW | ||
| 10 | Insulation Resistance | IR | 500 | - | - | MΩ | At 100VDC |
| 11 | Shunt Capacitance | Co | 7 | pF | |||
| 12 | Aging Per Year | Fa | -5 | - | 5 | ppm | First Yea |
| 13 | Package type | 12.7*4.7*3.2 | |||||
2. Dimension (Unit: mm)
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