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Product Detailed Parameters
- Description：103.0 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：103 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)：28mA
- 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 18QHTF21-103.000-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 103.0 MHz and utilizes an LVCMOS output signal format. The device is designed for low-voltage applications, featuring a supply voltage of 1.8V. It includes enable and disable control functionality to manage power consumption. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm, suitable for surface-mount assembly on printed circuit boards.
Feature Summary
- LVCMOS output signal format for digital logic compatibility
- Integrated enable and disable control pin for power management
- Compact 4-SMD no-lead surface mount package design
Applications
- High-speed data communication interfaces
- Digital signal processing systems
- Network equipment timing sources
Procurement Notes
Verify the specific suffix code against official manufacturer documentation to confirm electrical characteristics and packaging details. Ensure the ordering part number matches the required frequency tolerance and operating temperature range specified in the datasheet. Cross-reference the package outline drawing with PCB footprint requirements to guarantee mechanical fit during assembly.
Selection Notes
Select this component based on the requirement for a 1.8V supply voltage and LVCMOS interface compatibility. Consider the physical size constraints of the 2.0x1.6 mm package when designing the layout. Evaluate the need for enable/disable functionality if power efficiency is a critical design parameter for the target application environment.
Part Context
This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which provides various frequency options within a standardized small outline package. The series supports multiple supply voltages and output types, allowing designers to maintain consistent board layouts across different frequency requirements while adapting to specific voltage domains.
Replacement Considerations
Direct replacements must match the 103.0 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Verify that substitute components offer equivalent frequency stability and operating temperature ranges to ensure system reliability without redesigning the host circuit.
