FA-238 50.0000MK50X-W3

Crystals Overview

The EPSON FA-238 50.0000MK50X-W3 is a surface-mount crystal unit designed for precise timing applications. It operates at a fundamental frequency of 50.0000 MHz with a load capacitance of 12 pF and a frequency tolerance of ±50 ppm. The component features an equivalent series resistance (ESR) of 40 Ohms and utilizes a 4-SMD package with dimensions of 3.2 mm x 2.5 mm x 0.7 mm. It supports a wide operating temperature range from -40°C to +85°C, ensuring reliability in various electronic environments.

Crystals Feature Summary

• Compact 4-SMD footprint suitable for space-constrained designs
• Fundamental overtone operation for stable frequency generation
• Wide industrial temperature range capability

Crystals Applications

• Microcontroller clock sources
• Communication interface timing
• Digital signal processing circuits

Crystals Procurement Notes

Verify the specific ordering suffix MK50X-W3 against official Epson Timing documentation to confirm exact frequency tolerance and packaging specifications. Ensure compatibility with reflow soldering profiles defined in the datasheet. Cross-reference RoHS compliance status if required by project regulations. Confirm lead-free status through manufacturer certificates.

Crystals Selection Notes

Select this component when a 50 MHz reference is required in a small form factor. The 12 pF load capacitance must match the oscillator circuit design. Consider the ±50 ppm tolerance relative to system timing requirements. Evaluate thermal stability needs within the -40°C to +85°C range before finalizing the part choice.

Crystals Part Context

The FA-238 series represents Epson's standard line of surface-mount crystals. This specific model integrates a quartz resonator element within a hermetically sealed metal case. The designation indicates a 50 MHz fundamental frequency variant. It belongs to the broader category of passive timing components used in consumer and industrial electronics.

Crystals Replacement Considerations

Consult Epson Timing official substitution guides for direct equivalents. Verify pinout compatibility and electrical parameters such as ESR and load capacitance. Check dimensional constraints to ensure mechanical fit on existing PCB layouts.