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Product Detailed Parameters
- Description：10.25 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：10.25 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 18QHTF21-10.250-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 10.25 MHz and utilizes LVCMOS output logic. The device requires a 1.8V supply voltage and includes an Enable/Disable control function for power management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount assembly on printed circuit boards.
Feature Summary
- LVCMOS output logic for digital interface compatibility
- Integrated Enable/Disable pin for active power control
- Compact 4-SMD no-lead surface mount package
Applications
- Digital signal processing clock sources
- Embedded system timing references
- Communication equipment synchronization
Procurement Notes
Verify the specific operating temperature range and load capacitance requirements against your design specifications before ordering. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD footprint matches your PCB layout constraints. Request the official datasheet from Mercury Electronics for precise electrical characteristics and reliability data.
Selection Notes
Select this component when a low-voltage 1.8V operation is required alongside standard LVCMOS signaling. The integrated enable/disable feature makes it suitable for battery-powered or power-sensitive applications. Consider the small form factor if space is limited on the PCB. Verify frequency stability requirements against the standard XO specifications provided in the manufacturer documentation.
Part Context
This part belongs to the 18QHTF series of quartz crystal oscillators from Mercury Electronic. The series offers various frequencies and supply voltages. The 'OE' suffix typically denotes the presence of an output enable pin. Mercury Electronic specializes in frequency control products including crystals, TCXOs, and VCTCXOs, providing timing solutions for industrial and consumer electronics markets.
Replacement Considerations
Direct replacements must match the 10.25 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Check pinout compatibility for the enable pin. Verify thermal performance and frequency tolerance specifications. Consult Mercury Electronic for cross-reference lists or equivalent series parts with identical mechanical and electrical profiles.
