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Product Detailed Parameters
- Description：71.117 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：71.117 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 18QHTF21-71.117-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 71.117 MHz and utilizes LVCMOS output logic. The device requires a 1.8V supply voltage and features an Enable/Disable control function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm.
Feature Summary
- Supports LVCMOS output logic for digital interface compatibility
- Includes Enable/Disable pin functionality for power management
- Utilizes a leadless SMD package for surface mount applications
Applications
- General clock signal generation in electronic circuits
- Timing reference for digital systems requiring 71.117 MHz
- Embedded devices utilizing LVCMOS interfaces
Procurement Notes
Verify the specific operating temperature range and load capacitance requirements against the official datasheet before procurement. Ensure that the 1.8V supply voltage aligns with the target system design. Confirm the package footprint matches the PCB layout to avoid assembly issues. Cross-reference the part number suffix with manufacturer documentation to confirm exact specifications.
Selection Notes
Select this component when a precise 71.117 MHz timing source is required for LVCMOS-based designs. Consider the 1.8V supply constraint and the need for enable/disable control. Evaluate the 2.0x1.6mm package size against available board space. Compare performance metrics such as phase noise and stability if specified in the technical data sheet relative to alternative oscillators.
Part Context
This model belongs to the Mercury Electronics XO series, which manufactures various frequency control products including crystals and oscillators. The 18QHTF21 prefix indicates a specific form factor and electrical characteristic set within their product line. Mercury Electronic has been producing these components since 1973, focusing on quartz-based frequency control solutions.
Replacement Considerations
Direct substitutes may include other 71.117 MHz LVCMOS oscillators from different manufacturers provided they match the 1.8V supply, 4-SMD no-lead package, and enable/disable functionality. Verify pinout compatibility and thermal characteristics before substitution.
