9B-27.000MBBK-B

Crystals Overview

The TXC Corporation 9B-27.000MBBK-B is a fundamental parallel resonance quartz crystal operating at a nominal frequency of 27 MHz. It features a load capacitance of 20 pF and a frequency tolerance of ±50 ppm. The component utilizes an HC-49/US through-hole package, ensuring compatibility with standard mounting processes. Its equivalent series resistance (ESR) is specified at 30 ohms, supporting stable oscillation in various circuit configurations.

Crystals Feature Summary

• Fundamental parallel resonance operation for precise timing applications
• HC-49/US through-hole package design for robust mechanical stability
• Standard 20 pF load capacitance configuration

Crystals Applications

• General-purpose clock signal generation
• Microcontroller system timing references
• Consumer electronic device synchronization

Crystals Procurement Notes

Verify the specific manufacturing lot date code and RoHS compliance status directly with authorized distributors or the manufacturer prior to procurement. Confirm that the HC-49/US package dimensions align with the target PCB footprint requirements. Ensure that the ±50 ppm frequency tolerance meets the strict timing accuracy specifications of the intended application environment before finalizing orders.

Crystals Selection Notes

Select this component when a reliable, cost-effective through-hole quartz solution is required for 27 MHz applications. The HC-49/US form factor offers established availability and ease of manual or automated insertion. Consider the 30 ohm ESR value to ensure it matches the oscillator circuit's drive level limitations and stability requirements for long-term performance.

Crystals Part Context

This part belongs to the 9B Series of fundamental quartz crystals from TXC Corporation. The series is characterized by its traditional HC-49/US packaging, which remains a standard in many legacy and current electronic designs. These components are widely utilized in industries requiring dependable frequency control without the complexity of surface-mount alternatives.

Crystals Replacement Considerations

Direct substitutes include other manufacturers' HC-49/US crystals with identical 27 MHz frequency, 20 pF load capacitance, and comparable ESR values. Verify pin spacing and physical height constraints to ensure mechanical interchangeability within the existing assembly.