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Product Detailed Parameters
- Description：13.492 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：13.492 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 18QHTF21-13.492-OE is a crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fundamental frequency of 13.492 MHz. The device utilizes an HC-49/U package style, which is a standard through-hole housing for quartz crystals. This component is designed to provide stable frequency references in electronic circuits requiring precise timing signals.
Feature Summary
- Fundamental mode operation for stable frequency generation
- Standard HC-49/U through-hole package configuration
- Quartz crystal resonator technology
Applications
- General purpose timing circuits
- Microcontroller clock sources
- Digital logic synchronization
Procurement Notes
Verify the exact load capacitance requirements against your circuit design before procurement. Confirm that the HC-49/U package dimensions align with your PCB footprint. Ensure the operating temperature range meets your application's environmental specifications. Cross-reference the part number suffixes with official documentation to confirm specific tolerances and stability ratings.
Selection Notes
Select this component when a fundamental frequency crystal is required for 13.492 MHz applications. Consider the HC-49/U package for ease of manual assembly or through-hole manufacturing processes. Evaluate the need for fundamental versus overtone modes based on your circuit topology. Verify compatibility with your oscillator circuit's load capacitance values.
Part Context
This part belongs to the family of quartz crystal oscillators produced by Mercury Electronics. These components are essential for providing accurate timekeeping and signal synchronization in various electronic devices. The HC-49/U package is widely recognized for its durability and standardized dimensions in industrial and consumer electronics.
Replacement Considerations
Check for direct substitutes from Mercury Electronics with identical frequency and package. Verify equivalent performance from other manufacturers offering HC-49/U crystals at 13.492 MHz. Ensure any replacement matches the load capacitance and stability requirements of the original design.
