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Product Detailed Parameters
- Description：12.032 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：12.032 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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Overview
The 18QHTF21-12.032-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 12.032 MHz and utilizes LVCMOS output logic levels. The device is designed for surface mount applications, featuring a compact 4-SMD, No Lead package configuration. It functions with a supply voltage of 1.8V and includes an enable/disable control feature for power management. This component serves as a precise timing source for digital circuits requiring stable clock signals within its specified operating parameters.
Feature Summary
- Integrates LVCMOS output logic for direct interface with digital loads
- Includes hardware enable and disable functionality for power optimization
- Utilizes a leadless surface-mount package for automated assembly
Applications
- General-purpose digital clock generation
- Embedded system timing references
- Consumer electronics signal synchronization
Procurement Notes
Verify the specific suffix 'OE' against the manufacturer's current datasheet to confirm availability of the enable pin configuration. Ensure the 1.8V supply requirement aligns with the target circuit design. Confirm that the 4-SMD no-lead footprint matches the PCB land pattern specifications before finalizing procurement orders.
Selection Notes
Select this component when a low-voltage 1.8V operation is required alongside a standard LVCMOS interface. The enable/disable capability makes it suitable for battery-powered or power-sensitive designs. Consider the 12.032 MHz frequency specifically if it matches the downstream processor or communication protocol requirements without needing frequency multiplication.
Part Context
Mercury Electronics Ind. Co. Ltd is a Taiwan-based manufacturer specializing in quartz crystals and oscillators. The 18QHTF series represents their line of surface-mount crystal oscillators. This specific model falls under the standard XO category, providing fixed-frequency timing solutions for various electronic applications requiring reliable frequency stability.
Replacement Considerations
Cross-reference part numbers such as 18QHTF21-12.000-OE or 18QHTF21-12.288-OE from the same manufacturer family if different frequencies are acceptable. Verify pin compatibility and electrical characteristics before substituting with components from other vendors.
