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Product Detailed Parameters
- Description：72.018 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：72.018 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 18QHTF21-72.018-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 72.018 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes enable/disable control capabilities. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm.
Feature Summary
- Supports LVCMOS output logic for digital interface compatibility
- Features integrated enable and disable control functionality
- Utilizes a small form factor SMD package without leads
Applications
- General clock signal generation in electronic circuits
- Timing reference sources for digital systems
- Embedded system clock inputs
Procurement Notes
Verify the specific suffix against official documentation to ensure correct configuration. Confirm that the OE variant matches the required electrical specifications and package type before procurement. Cross-reference part numbers with manufacturer catalogs to avoid substitution errors due to minor designation differences.
Selection Notes
Select this component when a 1.8V supply voltage and LVCMOS output are required. Ensure the 2.0x1.6mm footprint fits the PCB layout constraints. Verify that the enable/disable feature aligns with power management requirements. Confirm the operating temperature range meets the application environment standards.
Part Context
This model belongs to the Mercury Electronics XO series, designed for precision timing applications. The brand has extensive experience in quartz crystal manufacturing. The product line focuses on providing reliable frequency control solutions with various output types and supply voltages for diverse electronic needs.
Replacement Considerations
Direct substitutes include other 18QHTF21 series variants with matching frequencies and packages. Verify pinout compatibility and electrical parameters before swapping. Consult official cross-reference lists for confirmed equivalent parts from the same manufacturer.
