XG-2121CA 136.71875M-PGPAB

Oscillators Overview

The XG-2121CA 136.71875M-PGPAB is a Surface Acoustic Wave (SAW) oscillator manufactured by Epson. It operates at a nominal frequency of 136.71875 MHz with an LVPECL output type. The device requires a 2.5V supply voltage and supports Enable/Disable functionality. Frequency stability is rated at ±50 ppm over the commercial temperature range of 0°C to 70°C. The component is housed in a compact 6-SMD, No Lead package designed for surface mount applications.

Oscillators Feature Summary

• Utilizes SAW technology for stable high-frequency generation
• Features LVPECL output interface for high-speed digital systems
• Includes hardware enable/disable control capability
• Designed for precision timing in space-constrained layouts

Oscillators Applications

• High-speed data communication interfaces
• Network synchronization equipment
• Telecommunications base stations
• Industrial control systems requiring precise clocking

Oscillators Procurement Notes

Verify the specific suffix PGPAB against official Epson documentation to confirm pinout and electrical characteristics. Ensure the operating temperature range meets the application requirements. Confirm RoHS compliance status through the manufacturer's latest datasheet. Validate that the LVPECL output matches the receiving circuit's input specifications. Check for any recent design changes or obsolescence notices from the supplier.

Oscillators Selection Notes

Select this component when a stable 136.71875 MHz clock signal is required for LVPECL-compatible logic. Consider the ±50 ppm stability rating for timing accuracy needs. Evaluate the 6-SMD package size against available PCB real estate. Ensure the 2.5V supply voltage aligns with the system power architecture. Verify thermal management capabilities within the 0°C to 70°C operational range.

Oscillators Part Context

This part belongs to the Epson XG-2121CA series of SAW oscillators. These devices are engineered for applications demanding low phase noise and high frequency stability. The series offers various frequency options and output types to suit different electronic designs. The XG-2121CA variant specifically targets high-speed serial data transmission environments.

Oscillators Replacement Considerations

Consult Epson's official substitution guide for direct replacements. Cross-reference compatible parts from other manufacturers only if electrical parameters match exactly. Verify package dimensions and pin assignments before substituting. Ensure frequency tolerance and output drive levels remain consistent.