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Product Detailed Parameters
- Description：11.2986 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：11.2986 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)：22mA
- 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 18QHTF21-11.2986-OE is a clock oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 11.2986 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and features an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.
Feature Summary
- Supports LVCMOS output logic for digital interface compatibility
- Features enable/disable control for active power management
- Utilizes a compact 4-SMD no-lead surface mount package
Applications
- Computing systems
- Consumer electronics
- Communication equipment
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against the system design specifications before procurement. Confirm that the 1.8V supply voltage aligns with the target circuit's power rails. Ensure the 4-SMD no-lead package footprint matches the PCB layout to guarantee proper soldering and mechanical stability during assembly processes.
Selection Notes
Select this component when a low-voltage 1.8V operation is required alongside precise frequency generation. The enable/disable feature makes it suitable for battery-powered or energy-efficient designs. Consider the small form factor for space-constrained layouts. Verify compatibility with LVCMOS interfaces to ensure signal integrity across the digital bus connections.
Part Context
This part belongs to the 18QHTF21 series of clock oscillators from Mercury Electronics. The series offers various frequencies and packaging options. Mercury Electronics has a long history in quartz crystal manufacturing, providing reliable frequency control solutions for industrial and commercial markets globally.
Replacement Considerations
Check for direct substitutes within the same series offering identical pinouts and electrical characteristics. Ensure any replacement maintains the 1.8V supply requirement and LVCMOS output type. Verify package dimensions match the existing footprint to avoid PCB redesign.
