7M-27.120MAAJ-T

Crystals Overview

The TXC Corporation 7M-27.120MAAJ-T is a surface-mount quartz crystal oscillator operating at a fundamental frequency of 27.12 MHz. It features a load capacitance of 18 pF and a frequency tolerance of ±30 ppm. The unit has an equivalent series resistance (ESR) of 60 Ohms and operates within a temperature range of -20°C to +70°C. The component measures 3.2 mm in length, 2.5 mm in width, and 0.8 mm in height, utilizing a 4-SMD no-lead package configuration.

Crystals Feature Summary

• Provides stable frequency generation for digital circuits using fundamental mode quartz technology.
• Designed for surface-mount assembly with a compact footprint suitable for space-constrained applications.
• Ensures consistent performance across commercial temperature ranges with specified stability limits.

Crystals Applications

• Clock signal generation for microprocessors and microcontrollers
• Timing references for communication interfaces such as UART and SPI
• Frequency standards for consumer electronic devices

Crystals Procurement Notes

Verify the specific suffix 'T' indicates tape and reel packaging when ordering. Confirm that the 18 pF load capacitance matches the circuit design requirements. Ensure the PCB footprint aligns with the 3.2 x 2.5 mm dimensions. Check for RoHS compliance documentation if required by project specifications. Validate the ESR value against the oscillator circuit constraints.

Crystals Selection Notes

Select this component when a 27.12 MHz reference is required for commercial-grade applications. Consider the 18 pF load capacitance compatibility with the host circuit's internal capacitors. Evaluate the 60 Ohm ESR to ensure proper oscillation startup conditions. Compare the -20°C to +70°C operating range against environmental demands. Assess the SMD package size for board layout efficiency.

Crystals Part Context

This part belongs to the 7M series of quartz crystals from TXC Corporation. The series offers various frequencies and packages for general-purpose timing needs. The 7M-27.120MAAJ-T specifically targets applications requiring precise 27.12 MHz signals. It complements other components in the lineup offering different frequencies or load capacitances.

Crystals Replacement Considerations

Direct substitutes include other 27.12 MHz crystals with identical 18 pF load capacitance and ±30 ppm tolerance. Verify package dimensions and pinout compatibility before substitution. Cross-reference ESR values to maintain circuit stability. Ensure replacement parts meet the same temperature and reliability standards.