18QHTF21-30.3779-PD

Oscillators Overview

The 18QHTF21-30.3779-PD is a surface-mount crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 30.3779 MHz with a frequency stability of ±50ppm. The device supports a supply voltage of 1.8V and features LVCMOS output logic. It includes a standby (power down) function to reduce power consumption. The maximum current supply is 23mA. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm. It is designed for an operating temperature range of -40°C to 85°C.

Oscillators Feature Summary

• Supports LVCMOS output logic for standard digital interface compatibility
• Includes standby mode functionality to enable power down capabilities
• Utilizes a compact 4-SMD no-lead surface mount package design

Oscillators Applications

• General purpose clock generation in consumer electronics
• Timing reference for embedded systems and microcontrollers
• Data communication interfaces requiring stable clock signals

Oscillators Procurement Notes

Verify the specific frequency tolerance and operating temperature range against the official datasheet before integration. Confirm that the 1.8V supply voltage aligns with the target circuit design. Ensure the 4-SMD package footprint matches the PCB layout requirements. Check for RoHS compliance status if environmental regulations apply to the final product assembly.

Oscillators Selection Notes

Select this component when a low-profile surface-mount oscillator is required for space-constrained designs. Consider the ±50ppm stability specification for applications where moderate frequency accuracy is sufficient. Evaluate the 23mA maximum current draw against system power budgets. Ensure the -40°C to 85°C industrial temperature range meets the operational environment requirements.

Oscillators Part Context

This part belongs to the Mercury 18QHTF series of quartz crystal oscillators. The series offers various frequencies and package options for different timing needs. Mercury Electronics has a long history in manufacturing frequency control products, providing reliable components for global markets. This specific model represents a standard XO variant optimized for cost-effective and compact electronic assemblies.