7V-40.000MDDQ-T

Crystals Overview

The 7V-40.000MDDQ-T is a quartz crystal manufactured by TXC Corporation, designed for surface-mount applications. It operates at a fundamental frequency of 40 MHz with a load capacitance of 10 pF and an equivalent series resistance of 60 Ohms. The component features a frequency stability of ±20 ppm and functions within a temperature range of -20°C to +70°C. It utilizes a 4-SMD, no lead package with dimensions of 3.20mm x 2.50mm.

Crystals Feature Summary

• Surface-mount quartz crystal utilizing SC cut technology
• Fundamental mode operation with low equivalent series resistance
• RoHS compliant construction without halogenated materials

Crystals Applications

• General purpose clock generation in digital circuits
• Microcontroller system timing references
• Communication module frequency control

Crystals Procurement Notes

Verify the specific operating temperature range against application requirements, as this variant supports -20°C to +70°C. Confirm that the 10 pF load capacitance matches the oscillator circuit design specifications. Ensure the 4-SMD footprint aligns with the PCB layout constraints before finalizing procurement orders.

Crystals Selection Notes

Select this component when a compact SMD crystal is required for 40 MHz applications. Consider the ±20 ppm stability requirement relative to system tolerance needs. Evaluate the -20°C to +70°C temperature range suitability for the intended environmental conditions compared to wider industrial grade alternatives.

Crystals Part Context

This part belongs to the TXC 7V series of quartz crystals, which are characterized by their small form factor and surface-mount compatibility. The series provides reliable frequency control solutions for consumer electronics and industrial equipment requiring stable timing signals in space-constrained designs.

Crystals Replacement Considerations

Direct substitutes must match the 40 MHz frequency, 10 pF load capacitance, and 4-SMD package dimensions. Verify equivalent ESR values and stability ratings to ensure circuit performance parity.