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Product Detailed Parameters
- Description：90.3186 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：90.3186 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 18QHTF21-90.3186-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 90.3186 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and features an enable/disable control function. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications.
Feature Summary
- Standard XO configuration with LVCMOS output
- Integrated enable/disable functionality
- Compact 4-SMD no-lead surface mount package
Applications
- General purpose timing circuits
- Digital signal processing systems
- Communication equipment clocking
Procurement Notes
Verify the specific ordering suffix to ensure compatibility with required supply voltage and load conditions. Confirm that the 1.8V operating range aligns with the target system power rails. Check the enable pin requirements against the host controller's GPIO capabilities. Ensure the 4-SMD footprint matches the PCB layout design specifications before finalizing procurement.
Selection Notes
Select this component when a precise 90.3186 MHz reference is required in space-constrained designs. The LVCMOS interface ensures compatibility with standard digital logic families. Consider the enable feature for power management strategies in battery-operated devices. Verify thermal performance within the specified operating temperature range for the intended environment.
Part Context
Mercury Electronics Ind. Co. Ltd specializes in frequency control products, including quartz crystals and oscillators. This model belongs to their series of surface-mount crystal oscillators designed for modern electronic applications requiring stable timing signals. The company has a long history in manufacturing precision timing components.
Replacement Considerations
Cross-reference with other 90.3186 MHz LVCMOS oscillators in 4-SMD packages. Ensure equivalent electrical parameters such as supply voltage and output swing are matched. Verify mechanical dimensions and pinout compatibility for direct replacement without PCB redesign.
