18QHTF21-7.524-PD

Overview

The 18QHTF21-7.524-PD is a 7.524 MHz crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It utilizes LVCMOS output logic and operates at a supply voltage of 1.8V. The device features a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. The unit supports strip packaging and ensures frequency stability of ±50ppm across an operating temperature range of -40°C to 85°C.

Feature Summary

• Supports low-voltage operation at 1.8V with LVCMOS output compatibility
• Includes standby mode functionality for power reduction
• Designed in a small form factor 4-SMD no-lead package

Applications

• Portable electronic devices requiring low power consumption
• Embedded systems utilizing LVCMOS interfaces
• Industrial control modules operating in varying temperatures

Procurement Notes

Verify the specific ordering suffix and packaging configuration when sourcing. Confirm that the requested quantity matches the strip packaging requirements. Ensure the component status remains active for current production needs. Cross-reference the exact part number to avoid confusion with similar frequency variants within the 18QHTF21 series.

Selection Notes

Choose this model when a 7.524 MHz clock signal is required with strict size constraints. The 1.8V supply requirement makes it suitable for modern low-power digital circuits. Consider the ±50ppm stability specification against system timing tolerance requirements. The wide temperature range supports deployment in diverse environmental conditions.

Part Context

This component belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series offers various frequency options while maintaining consistent electrical characteristics and physical dimensions. Mercury Electronics has extensive experience in quartz crystal manufacturing, providing reliable frequency control solutions for global markets.

Replacement Considerations

Direct substitutes must match the 7.524 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify pinout compatibility and thermal performance before integration. Check manufacturer datasheets for equivalent parts offering identical stability and temperature ranges.