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Product Detailed Parameters
- Description：71.135 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：71.135 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)：26mA
- 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 18QHTF21-71.135-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 71.135 MHz and utilizes LVCMOS output logic. 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 assembly. This component provides precise timing signals for digital circuits requiring stable clock sources.
Feature Summary
- Standard XO configuration with LVCMOS output
- Integrated enable/disable control via supply pin
- Compact 4-SMD no-lead surface mount package
Applications
- Digital signal processing systems
- Communication equipment clocking
- Embedded system timing references
Procurement Notes
Verify the specific part number suffix against official Mercury Electronics documentation to confirm voltage levels and output types. Ensure compatibility with the target PCB footprint and thermal requirements. Cross-reference with authorized distributors for genuine components to avoid counterfeit risks. Confirm operating temperature range matches application needs.
Selection Notes
Select this oscillator when a 71.135 MHz LVCMOS clock source is required in a low-profile SMD package. Consider the 1.8V supply constraint and enable feature for power-sensitive designs. Evaluate size constraints against the 4-SMD form factor. Verify frequency stability requirements align with standard XO specifications rather than TCXO or OCXO grades.
Part Context
This component belongs to the Mercury Electronics 18QHTF series of surface-mount crystal oscillators. The series offers various frequencies and output logic options within standardized packages. Mercury Electronics specializes in quartz-based frequency control products, including crystals, filters, and oscillators, serving global electronics manufacturing sectors.
Replacement Considerations
Direct substitutes include other 71.135 MHz LVCMOS oscillators in 4-SMD packages from compatible manufacturers. Verify pinout compatibility and electrical parameters such as supply voltage and current consumption before substitution.
