18QHTF21-15.359865-PD

Oscillators Overview

The 18QHTF21-15.359865-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a fundamental frequency of 15.359865 MHz and utilizes an LVCMOS output interface. The device is designed for low-voltage applications, functioning at a supply voltage of 1.8V. It features a compact surface-mount package with dimensions of 2.0mm by 1.6mm. The component includes power-down functionality to support standby modes in portable electronics.

Oscillators Feature Summary

• Compact 4-SMD, No Lead package suitable for space-constrained designs
• LVCMOS output interface for direct logic compatibility
• Low voltage operation at 1.8V for energy efficiency
• Integrated power-down capability for standby management

Oscillators Applications

• Portable consumer electronics requiring precise timing
• Communication modules utilizing standard clock frequencies
• Embedded systems with limited power budgets
• Digital signal processing circuits needing stable reference clocks

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before ordering. Confirm that the 1.8V supply rail is stable within the operational range specified in the official datasheet. Ensure PCB footprint matches the 2.0x1.6mm SMD package dimensions to prevent assembly issues. Check for any specific handling instructions regarding electrostatic discharge protection during storage and installation.

Oscillators Selection Notes

Select this component when a precise 15.359865 MHz clock source is required in a minimal footprint form factor. It is appropriate for designs constrained by 1.8V power supplies where low current consumption is critical. Consider the LVCMOS output swing levels to ensure compatibility with downstream logic inputs. Evaluate the thermal performance and mounting orientation relative to other components on the board.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface-mount oscillators from Mercury Electronics. The series offers various frequency options within a standardized 2.0x1.6mm package. The 'PD' suffix indicates the inclusion of power-down control functionality. Mercury Electronic Ind. Co., Ltd. is a specialized manufacturer of frequency control products with extensive experience in quartz crystal technology.

Oscillators Replacement Considerations

Direct replacements must match the 15.359865 MHz frequency, 1.8V operating voltage, and 2.0x1.6mm package size. Verify that substitute parts offer compatible LVCMOS output characteristics and similar power-down behavior. Cross-reference pinouts to ensure electrical connectivity remains unchanged without circuit modification.