EFO-S4194E5

Resonators Overview

The EFO-S4194E5 is a surface-mount ceramic resonator manufactured by Panasonic Electronic Components. It operates at a nominal frequency of 4.19 MHz with a load capacitance of 33 pF. The device offers a frequency tolerance of ±0.5% and frequency stability of ±0.2%. This component belongs to the EFO-S series, designed for compact electronic circuits requiring precise timing signals in a small form factor.

Resonators Feature Summary

• Surface-mount ceramic resonator construction
• Integrated 33 pF load capacitance
• High frequency stability specification

Resonators Applications

• Microcontroller clock sources
• Timing circuits for embedded systems
• Communication module synchronization

Resonators Procurement Notes

Verify part authenticity through authorized distributors. Confirm RoHS compliance status via official documentation. Check obsolescence notices as product status may change. Ensure storage conditions meet manufacturer guidelines to maintain performance integrity before installation.

Resonators Selection Notes

Select this component when a 4.19 MHz reference is required in a surface-mount design. The integrated 33 pF capacitance simplifies circuit layout compared to discrete crystal setups. Evaluate thermal requirements against the operating range specified in the datasheet for reliable long-term operation.

Resonators Part Context

This ceramic resonator is part of Panasonic's EFO-S series, which provides cost-effective timing solutions for consumer and industrial electronics. The series emphasizes miniaturization and ease of assembly through standardized surface-mount packages suitable for automated pick-and-place manufacturing processes.

Resonators Replacement Considerations

Cross-reference with EFO-H418MS03 for similar SAW resonator applications. Verify pin compatibility and electrical parameters before substitution. Consult official replacement lists for discontinued variants to ensure functional equivalence in existing designs.