Description
The HC-49US 6.7458 MHz Crystal is a high-precision quartz resonator designed to provide a stable and accurate frequency reference for specialized digital and communication systems. Operating at a fundamental frequency of 6.7458 MHz, this component is frequently utilized in custom timing applications, baud rate generation, and signal processing circuits where a specific frequency is required for operational synchronization.
Housed in the industry-standard HC-49US through-hole package, this crystal is engineered for maximum reliability and ease of integration into both prototyping environments and professional PCB assemblies. The resistance-welded, hermetically sealed structure protects the internal quartz element from environmental factors like humidity and oxidation, ensuring long-term frequency stability. With a precise frequency tolerance of 20 PPM and a standard load capacitance of 20 pF, it delivers the consistent clock signals necessary for high-performance electronic designs.
Key Features
- Precision Frequency: A specific 6.7458 MHz fundamental frequency, perfect for unique clocking requirements and specific baud rate generation.
- Tight Tolerance: Frequency tolerance of 20 PPM minimizes signal drift, maintaining accuracy in time-sensitive digital circuits.
- Standardized Design: The classic HC-49US 2-pin footprint ensures universal compatibility with standard oscillator circuits and PCB layouts.
- Robust Construction: Hermetically sealed packaging guards against environmental stress, promoting a long, reliable operational life.
- Optimal Load: Standard 20 pF load capacitance makes it easy to integrate into a wide variety of microcontroller oscillator stages.
Application
- Custom Baud Rate Generation
- Microcontroller System Clocking
- Digital Signal Processing (DSP) Units
- Industrial Timing and Counting Circuits
- Communication Interface Modules
Package Includes
- 2 x HC-49US 6.7458 MHz Crystal (Through-Hole Package)
Specifications
| Parameter | Specification |
|---|---|
| Part Number | HC-49US |
| Frequency | 6.7458 MHz |
| Load Capacitance | 20 pF |
| Frequency Tolerance | 20 PPM |
| Mounting Type | Through-Hole (2-Pin) |
