18QHTF21-102.340-PD

Overview

The 18QHTF21-102.340-PD is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a fixed frequency of 102.34 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes a standby or power-down feature for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm. This component is designed for applications requiring precise timing signals within space-constrained electronic systems.

Feature Summary

• Provides stable clock signals via LVCMOS output interface
• Integrates standby mode for power reduction
• Utilizes leadless surface-mount packaging for board space efficiency

Applications

• General purpose digital circuit timing
• Communication equipment signal processing
• Consumer electronics control systems

Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required voltage levels and output types. Confirm that the 1.8V supply requirement aligns with the target system design. Check for any environmental specifications regarding operating temperature ranges if deployed in extreme conditions. Ensure the leadless package type matches the PCB footprint requirements for proper assembly and soldering processes.

Selection Notes

Select this model when a 102.34 MHz frequency is strictly required for the application. Consider the 1.8V supply constraint to ensure compatibility with low-voltage logic families. Evaluate the 2.0x1.6 mm footprint against available board space. The LVCMOS output is suitable for direct interfacing with standard digital inputs without additional level shifting in most 1.8V systems.

Part Context

This part belongs to the 18QHTF21 series from Mercury Electronic Ind. Co., Ltd, which offers various frequencies within a standardized small outline package. The series supports multiple voltage options and output logic types. The PD suffix typically indicates a specific tape and reel packaging configuration for automated manufacturing processes.

Replacement Considerations

Direct substitutes must match the 102.34 MHz frequency, 1.8V supply, and LVCMOS output. Verify pinout compatibility for the 4-SMD No Lead package. Cross-reference with other manufacturers offering similar small-form-factor oscillators if Mercury Electronics stock is unavailable.