18QHTF21-12.289-OE

$28.04

Description：12.289 MHz XO 1.8V 2.0X1.6 MM OE
Series：18QHTF21
Mfr：Mercury Electronics Ind. Co. Ltd
Package：Strip

SKU:ce160c59239f Category: Oscillators Brand: Mercury Electronics Ind. Co. Ltd

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Product introduction

Product Detailed Parameters

Description：12.289 MHz XO 1.8V 2.0X1.6 MM OE
Series：18QHTF21
Mfr：Mercury Electronics Ind. Co. Ltd
Package：Strip
Base Resonator：Crystal
Type：XO (Standard)
Frequency：12.289 MHz
Function：Enable/Disable
Output：LVCMOS
Voltage - Supply：1.8V
Frequency Stability：±50ppm
Absolute Pull Range (APR)：-
Operating Temperature：-40°C ~ 85°C
Spread Spectrum Bandwidth：-
Current - Supply (Max)：22mA
Ratings：-
Mounting Type：Surface Mount
Package / Case：4-SMD, No Lead
Size / Dimension：0.079" L x 0.063" W (2.00mm x 1.60mm)
Height - Seated (Max)：0.031" (0.80mm)
Supplier Device Package：-

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18QHTF21-12.289-OE

Overview

The 18QHTF21-12.289-OE is a quartz crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 12.289 MHz and utilizes LVCMOS output signaling. The device supports a supply voltage of 1.8V and includes enable/disable functionality for power management. It is housed in a compact 4-SMD, no-lead package suitable for surface-mount applications. The component complies with RoHS standards and has an MSL rating of 1, indicating unlimited handling sensitivity.

Feature Summary

LVCMOS output interface for standard digital logic compatibility
Integrated enable/disable control for power optimization
RoHS compliant construction for environmental safety
Surface-mount 4-SMD no-lead package design

Applications

General clock timing for embedded systems
Digital signal processing circuits
Communication module synchronization

Procurement Notes

Verify the specific frequency suffix matches the required 12.289 MHz operation. Confirm the 1.8V supply voltage requirement aligns with the target system design. Ensure the 4-SMD no-lead package footprint corresponds to the PCB layout. Check RoHS compliance status if restricted substances are prohibited in the application environment.

Selection Notes

Select this oscillator when a precise 12.289 MHz reference is needed with low voltage operation. The LVCMOS output simplifies interfacing with standard logic families. Consider the enable pin feature if dynamic power saving is required during idle periods. Verify thermal and mechanical constraints for the small form factor package.

Part Context

This part belongs to the QHTF series of quartz oscillators from Mercury Electronics. The manufacturer specializes in frequency control products including crystals, TCXOs, and VCTCXOs. This series provides stable timing solutions for various electronic applications requiring precise clock signals.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Direct replacement requires matching frequency, voltage, package, and output type specifications.