Crystal Oscillator 4.000MHz 49S 20PPM 20pF 40Ω
The Crystal 4.000MHz 49S 20PPM 20pF 40Ω is a passive quartz crystal resonator that generates a highly stable 4.000MHz reference frequency when used with an oscillator circuit. It is widely used in microcontrollers, communication equipment, industrial controllers, and digital logic systems where precise timing and synchronization are essential. With a frequency tolerance of ±20ppm, it provides reliable clock accuracy for demanding electronic applications.
Housed in the industry-standard HC-49S through-hole package, this crystal features a 20pF load capacitance and a low 40Ω equivalent series resistance (ESR) for stable oscillator start-up and efficient operation. Its compact metal package offers excellent long-term reliability and is suitable for both prototyping and production designs.
Features:
- Stable 4.000MHz frequency reference.
- High precision quartz crystal resonator.
- HC-49S through-hole package.
- ±20ppm frequency tolerance.
- 20pF load capacitance.
- Low equivalent series resistance.
- Fundamental mode operation.
- Excellent long-term frequency stability.
- Low aging characteristics.
- Low power consumption.
- Easy PCB mounting.
- Suitable for embedded and digital systems.
- Reliable metal can construction.
- RoHS compliant.
Specifications:
| Standard Frequency (MHz) | 4 |
| Frequency Tolerance (ppm) | ±20 |
| Load Capacitance (pF) | 20 |
| Equivalent Series Resistance (Ω) | 40 |
| Pin Count | 2 |
| Mounting | Through Hole |
| Package | HC-49S |
Applications:
- Microcontroller clock generation.
- AVR development boards.
- PIC microcontroller systems.
- ARM-based embedded systems.
- Arduino-compatible projects.
- Communication equipment.
- Digital logic circuits.
- Industrial automation.
- Frequency reference circuits.
- Consumer electronics.
- Measurement instruments.
- Timing and synchronization circuits.
Package Includes:
- 1x Crystal Oscillator 4.000MHz 49S 20PPM 20pF 40Ω.