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Product Detailed Parameters
- Description：71.5909 MHz XO 1.8V 2.0X1.6MM OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：71.5909 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 18QHTF21-71.5909-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 71.5909 MHz and utilizes LVCMOS output logic. The device is designed for low-voltage applications, requiring a supply voltage of 1.8V. It features an enable/disable control function to manage power consumption. The component is housed in a compact 4-SMD surface-mount package with dimensions of 2.0 x 1.6 mm. This specific model is lead-free compliant.
Feature Summary
- LVCMOS output logic for digital interface compatibility
- Integrated enable/disable control functionality
- Compact 4-SMD surface-mount packaging
Applications
- General-purpose clock signal generation
- Embedded system timing references
- Digital circuit synchronization
Procurement Notes
Verify the exact datasheet specifications directly from Mercury Electronics Ind. Co. Ltd or authorized distributors before integration. Confirm that the 1.8V supply voltage and LVCMOS output levels match your target circuit requirements. Ensure the 4-SMD footprint aligns with your PCB layout constraints. Check for RoHS compliance status if required by your manufacturing standards.
Selection Notes
Select this component when a precise 71.5909 MHz clock source is required in space-constrained designs. The 1.8V operation makes it suitable for modern low-power digital systems. Consider the enable/disable feature if power management during idle states is necessary. Verify temperature range requirements against the official datasheet specifications.
Part Context
This part belongs to the Mercury Electronics XO series, which provides standard frequency oscillators for various electronic applications. Mercury Electronics has been a pioneer in quartz crystal manufacturing since 1973. The 18QHTF series typically offers small form factors suitable for dense PCB layouts.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation. Cross-referencing requires matching frequency, voltage, package, and output logic specifications.
