NSC5263B-20M

Overview

The NSC5263B-20M is a 20 MHz Oven-Controlled Crystal Oscillator (OCXO) manufactured by NDK. It operates on a single 3.3V supply and outputs an LVCMOS square wave signal. The component utilizes a crystal base resonator and is housed in a 10-SMD, No Lead package. It is designed for high-stability frequency generation in demanding electronic applications.

Feature Summary

• Provides oven-controlled stability for precise frequency output
• Generates LVCMOS square wave signals compatible with standard logic levels
• Operates efficiently on a single 3.3V power supply
• Utilizes a crystal base resonator for high-quality oscillation

Applications

• Telecommunications infrastructure requiring stable clock sources
• Test and measurement equipment needing low jitter performance
• High-speed data transmission systems
• Precision timing applications in industrial electronics

Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required packaging options such as tape and reel. Confirm that the 3.3V LVCMOS output matches the target circuit's voltage thresholds. Check the manufacturer datasheet for thermal management requirements associated with oven-controlled operation. Ensure the 10-SMD footprint aligns with the PCB layout specifications before finalizing procurement orders.

Selection Notes

Select this OCXO when superior frequency stability and low phase noise are critical compared to TCXO or standard crystal solutions. The 20 MHz frequency suits specific clocking architectures. Consider the 3.3V supply constraint and LVCMOS interface for direct logic integration. Evaluate the 10-SMD package size against available board space constraints during the design phase.

Part Context

This oscillator belongs to NDK's precision timing portfolio, which includes various crystal and oscillator types. NDK specializes in quartz-based components known for uniform quality and reliability. The NSC series represents advanced oscillators designed for applications requiring stringent stability standards beyond standard market offerings.

Replacement Considerations

Public confirmed substitute part numbers are not provided in the available documentation. Consult the official NDK datasheet for recommended alternatives or cross-reference with other OCXO manufacturers offering similar 20 MHz LVCMOS specifications.