VMQF574T33-21.250-1.0/-40+85

Oscillators Overview

The VMQF574T33-21.250-1.0/-40+85 is a Voltage-Controlled Temperature Compensated Crystal Oscillator (VCTCXO) manufactured by Mercury United Electronics, Inc. It operates at a nominal frequency of 21.25 MHz with CMOS output type. The device functions within a supply voltage range of 3.3 V and maintains a frequency stability of ±1.0 ppm across an operating temperature range of -40°C to +85°C. It features amplitude control capabilities and draws a maximum supply current of 40 mA. The component is housed in a 4-SMD, No Lead surface-mount package with dimensions of 7.00 mm x 5.00 mm x 2.50 mm.

Oscillators Feature Summary

• Voltage-controlled operation for precise frequency tuning
• Temperature compensation ensuring stability across wide thermal ranges
• CMOS output interface compatible with standard digital logic
• Surface-mount packaging designed for automated assembly processes

Oscillators Applications

• Telecommunications base station synchronization
• High-speed data transmission equipment clocking
• Network infrastructure timing references
• Industrial control systems requiring stable frequency sources

Oscillators Procurement Notes

Verify the specific suffix codes against the manufacturer's official datasheet to confirm exact electrical parameters and environmental ratings. Ensure compatibility with existing PCB footprint requirements and signal integrity standards before integration. Cross-reference part numbers with authorized distributors to avoid counterfeit components.

Oscillators Selection Notes

Select this component when precise frequency control and temperature stability are critical for system performance. Consider the CMOS output level and supply voltage requirements to ensure compatibility with downstream circuitry. Evaluate the physical dimensions and mounting style for space-constrained designs.

Oscillators Part Context

This model belongs to the QuikXO VCTCXO series from Mercury United Electronics, Inc., which specializes in compact oscillators for demanding applications. The series offers various frequency options and stability grades, providing engineers with flexible solutions for timing-critical designs in telecommunications and industrial sectors.

Oscillators Replacement Considerations

Direct substitutes may include other VCTCXOs from different manufacturers offering similar frequency, stability, and package dimensions. Verify pinout compatibility and electrical characteristics before substitution. Consult the manufacturer's cross-reference guide for approved alternatives.