Description
The HC49S-8-30-50-70-30-ATF is a precision quartz crystal resonator, engineered to provide a stable 8 MHz frequency reference. Encased in the industry-standard HC49S low-profile through-hole package, this crystal is an excellent choice for a variety of electronic timing applications, from consumer electronics to industrial control modules.
This component is built for reliability and consistent operation across a wide thermal range of -20°C to +70°C. Its compact dimensions (10.9mm x 4.65mm) and through-hole lead configuration make it highly suitable for both rapid prototyping and permanent PCB integration. Featuring a load capacitance of 30 pF, it offers high compatibility with standard microcontroller clock circuits, providing the timing stability needed for reliable data processing and communication.
Key Features
- Precision Frequency: 8 MHz nominal frequency serves as a stable clock base for digital processors and interface controllers.
- Low-Profile HC49S Case: Space-saving design that maintains the robustness of standard through-hole components.
- Thermal Resilience: Stable performance maintained from -20°C to +70°C, ensuring reliability in varied environments.
- High Compatibility: Designed for easy integration into standard oscillator circuits with a 30 pF load requirement.
Application
- Microcontroller System Clocking
- Digital Signal Processing (DSP)
- Industrial Timing and Automation Controllers
- Communication Interface Timing
- General Purpose Embedded Systems
Package Includes
- 1 x HC49S-8-30-50-70-30-ATF Quartz Crystal
Specifications
| Parameter | Specification |
|---|---|
| Part Number | HC49S-8-30-50-70-30-ATF |
| Frequency | 8 MHz |
| Frequency Tolerance | ±30 ppm |
| Frequency Stability | ±50 ppm |
| Load Capacitance | 30 pF |
| Mounting Type | Through-Hole (HC49S) |
| Operating Temperature | -20 °C to +70 °C |








