Description
The 5 MHz HC49/U is a classic, high-reliability quartz crystal resonator housed in the industry-standard HC49/U full-size through-hole package. Known for its exceptional mechanical robustness and long-term frequency stability, this 5 MHz crystal provides a dependable, low-frequency clock source for a wide variety of industrial, timing, and embedded control applications.
The traditional through-hole (DIP) mounting makes this component ideal for manual assembly, prototyping, and applications requiring high mechanical stress tolerance. Whether used in base-clock generation for older microcontrollers or as a stable reference for specialized digital timers, this crystal ensures consistent performance. This pack includes 2 units, providing a practical solution for multi-stage hardware designs or maintenance repairs.
Key Features
- Stable Frequency: 5 MHz nominal frequency for reliable low-frequency timing
- Industry Standard: Classic HC49/U full-size package for universal compatibility
- Rugged Mounting: Durable through-hole (DIP) design suitable for high-vibration environments
- Exceptional Reliability: Built for long-term stability in industrial and embedded hardware
- Value Pack: Includes 2 high-quality crystal oscillators
Applications
- Embedded microcontroller and microprocessor clocking
- Industrial instrumentation and process control
- Digital timer and counter circuits
- Legacy system repairs and hardware maintenance
- General-purpose digital synchronization
Package Includes
- 2 x 5 MHz HC49/U Full-Size Through-Hole Quartz Crystal
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number / Case | HC49/U |
| Frequency | 5 MHz |
| Mounting Type | Through-Hole (DIP) |
| Quantity | Pack of 2 |
| Shipping Weight | 0.001 kg |







