18QHTF21-1.832-PD

Overview

The 18QHTF21-1.832-PD is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 1.832 MHz and utilizes LVCMOS output logic. The device requires a 1.8V supply voltage and features a standby power-down function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm.

Feature Summary

• Supports low-voltage operation at 1.8V
• Integrates standby power-down functionality
• Provides LVCMOS output signal compatibility

Applications

• Battery-powered electronic devices
• Portable consumer electronics
• Compact embedded systems requiring precise timing

Procurement Notes

Verify the specific frequency suffix matches the required 1.832 MHz specification. Confirm the 1.8V supply requirement aligns with the target circuit design. Ensure the 4-SMD no-lead package footprint fits the PCB layout constraints. Check for RoHS compliance status if required by project standards.

Selection Notes

Select this component when a low-frequency, low-power oscillator is needed for portable applications. The 1.8V operating voltage makes it suitable for battery-driven systems. The small 2.0x1.6 mm package allows for dense board layouts. Verify that LVCMOS logic levels are compatible with the receiving digital interface.

Part Context

This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronics. The series offers various frequencies within a standardized 4-SMD no-lead form factor. These components are designed for applications requiring stable clock signals in space-constrained environments.

Replacement Considerations

Direct substitutes include other 1.832 MHz LVCMOS oscillators in 4-SMD packages with 1.8V operation. Verify pinout compatibility and electrical specifications before substitution.