49SMS20800BMDAJBDLA-CT

Crystals Overview

The HKC 49SMS20800BMDAJBDLA-CT is an active fundamental-mode crystal oscillator housed in a standard HC-49S through-hole package. It operates at a nominal frequency of 8 MHz with a load capacitance of 18 pF and an equivalent series resistance (ESR) of 35 Ohms. The component provides a frequency tolerance of ±10 ppm and maintains a frequency stability of ±20 ppm across an operating temperature range of -20°C to +70°C. This configuration ensures reliable timing performance for general-purpose digital circuits requiring precise clock signals within the specified thermal environment.

Crystals Feature Summary

• Fundamental mode operation utilizing HC-49S packaging for robust mechanical stability
• Precise frequency control with ±10 ppm initial tolerance and ±20 ppm stability over temperature
• Optimized electrical characteristics including 35 Ohm ESR and 18 pF load capacitance

Crystals Applications

• Microcontroller clock generation
• Digital logic circuit timing references
• Communication interface synchronization

Crystals Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to ensure compatibility with required tolerance and stability specifications. Confirm that the HC-49S package dimensions align with your PCB footprint requirements. Check for any recent updates to the RoHS compliance status or material declarations prior to finalizing procurement orders to meet regulatory standards.

Crystals Selection Notes

Select this component when a fundamental-mode crystal with HC-49S packaging is required for 8 MHz applications. Ensure the design accommodates the 18 pF load capacitance and 35 Ohm ESR parameters. Verify that the operational temperature range of -20°C to +70°C meets the environmental constraints of the target application before integration into the system design.

Crystals Part Context

This part belongs to the HKC crystal oscillator family, specifically designed for fundamental frequency applications. The HC-49S form factor is widely recognized in the electronics industry for its durability and ease of use in through-hole assembly processes. It serves as a critical timing element in various electronic systems where stable oscillation is necessary for proper functionality.

Crystals Replacement Considerations

Cross-reference with other 8 MHz HC-49S crystals from different manufacturers if supply chain issues arise. Ensure that any substitute part matches the 18 pF load capacitance and 35 Ohm ESR values to maintain circuit performance. Verify that the replacement also supports the -20°C to +70°C operating temperature range and similar frequency stability metrics.