Description
The 14.318 MHz HC49/U is a high-performance quartz crystal resonator in the classic, robust HC49/U full-size through-hole package. Widely recognized as the industry-standard frequency for NTSC video systems and legacy PC motherboard clock generation, this component is essential for accurate timing and synchronization in digital systems.
Featuring a traditional through-hole (DIP) design, the HC49/U is engineered for maximum mechanical durability and ease of manual installation. Whether you are maintaining older hardware, prototyping new digital circuits, or requiring a stable master clock, this crystal offers reliable performance across a broad operating temperature range. This pack includes 2 units, providing excellent value for your design or repair requirements.
Key Features
- Iconic Frequency: 14.318 MHz standard, perfect for video and legacy PC architecture
- Industry Standard: Classic HC49/U full-size package for universal, reliable through-hole mounting
- Temperature Resilient: Stable operation between -10°C and +60°C
- High Durability: Robust construction ideal for long-term stability and vibration resistance
- Value Pack: Convenient 2-pack for R&D, maintenance, or multi-channel designs
Applications
- NTSC video processing and color subcarrier reference
- Legacy motherboard and peripheral clocking
- Embedded system master oscillators
- Digital signal processing (DSP) projects
- Maintenance and repair of vintage computing hardware
Package Includes
- 2 x 14.318 MHz HC49/U Full-Size Through-Hole Quartz Crystal
Technical Specifications
| Parameter | Specification |
|---|---|
| Frequency | 14.318 MHz |
| Package/Case | HC49/U (Full-Size) |
| Mounting Type | Through-Hole (DIP) |
| Frequency Tolerance | ±20 ppm (approx.) |
| Operating Temp. Range | -10°C to +60°C |
| Storage Temp. Range | -20°C to +70°C |
| Dimensions (L x W) | 10.0 x 3.4 mm |
| Quantity | Pack of 2 |









