18QHTF21-1.9512-PD

Overview

The 18QHTF21-1.9512-PD is a crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 1.9512 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes a standby or power-down capability for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.

Feature Summary

• Provides stable clock signals via LVCMOS output interface
• Supports low voltage operation at 1.8V
• Integrates standby and power-down functionality

Applications

• Applications requiring stable clock signals at low voltage
• Portable electronic devices utilizing compact surface-mount components
• Systems necessitating power-down capabilities for energy efficiency

Procurement Notes

Verify the specific manufacturer documentation to confirm electrical characteristics and mechanical tolerances before integration. Ensure compatibility with the target system's voltage levels and form factor requirements. Cross-reference the part number with official distributor listings to validate authenticity and current availability status.

Selection Notes

Select this component when a precise 1.9512 MHz frequency is required within a minimal footprint. The 1.8V operating range suits battery-powered or low-power designs. Consider the integrated power-down feature if dynamic energy conservation is a priority for the end application.

Part Context

This model belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series typically offers various frequency options within a consistent 4-SMD no-lead package format. These components are designed for general timing applications where size constraints and low voltage operation are critical design factors.

Replacement Considerations

Consult official substitution guides for compatible alternatives. Verify that any replacement matches the 1.9512 MHz frequency, 1.8V supply, LVCMOS output, and 2.0x1.6mm package dimensions.