QTM750-33.33330MBA-T

Overview

The QTM750-33.33330MBA-T is a standard CMOS crystal oscillator manufactured by QST, operating at a nominal frequency of 33.3333 MHz. It utilizes a 3.3V supply voltage and features a 4-SMD, No Lead package with dimensions of 7.0x5.0 mm. The device offers a frequency stability of ±25 ppm across the industrial temperature range of -40°C to +85°C. It includes an enable/disable control function for power management. The output waveform is CMOS, suitable for digital clock distribution in various electronic systems requiring precise timing references.

Feature Summary

• Provides stable 33.3333 MHz clock signal generation
• Features low-profile SMD package for surface mount assembly
• Includes enable/disable control functionality
• Operates within industrial temperature specifications

Applications

• Digital communication equipment
• Consumer electronics timing circuits
• Industrial control systems
• Computer peripheral interfaces

Procurement Notes

Verify the specific suffix 'B' indicates the correct 3.3V supply voltage and ±25 ppm stability grade as per the official QST datasheet. Confirm the package type matches the 7.0x5.0mm footprint requirements. Ensure the enable/disable pin configuration aligns with the system design. Cross-reference the part number against the latest manufacturer documentation to avoid confusion with similar variants like MBE or MBA-T.

Selection Notes

Select this component when a 33.3333 MHz CMOS clock source is required with ±25 ppm stability. Consider the 3.3V operating voltage and 4-SMD package constraints. Evaluate the enable/disable feature for power efficiency needs. Compare against other QTM750 variants for different frequencies or voltages if requirements change. Ensure compatibility with the target application's temperature range.

Part Context

This oscillator belongs to the QTM750 series from QST, a provider of timing devices. The series offers various frequencies and voltage options. The QTM750 model is designed for general-purpose timing applications. It competes with other standard CMOS oscillators in the market. The brand emphasizes reliability and precision in its timing solutions.

Replacement Considerations

Direct substitutes may include other QTM750 variants with identical frequency and voltage but different stability grades. Check for equivalent parts from other manufacturers offering 33.3333 MHz CMOS oscillators in 7.0x5.0mm packages. Verify pinout and electrical characteristics before substitution.