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Product Detailed Parameters
- Description：114.6 MHz XO 1.8V 2.0X1.6 MM PD
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：114.6 MHz
- Function：Standby (Power Down)
- 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 18QHTF21-114.600-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 114.6 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes a standby function for power down capabilities. 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
- Includes standby mode for power management
- Surface-mount 4-SMD no lead package design
Applications
- Digital signal processing circuits
- Communication equipment timing
- Computer peripheral interfaces
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 PCB footprint matches the 4-SMD no lead package dimensions to guarantee proper soldering and mechanical stability during assembly.
Selection Notes
Select this component when a stable 114.6 MHz clock source is required for LVCMOS-compatible digital systems. Consider the 1.8V operating voltage and low-profile SMD package for space-constrained designs. Evaluate the need for standby functionality if power efficiency is a critical design parameter for the application environment.
Part Context
This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz frequency control products. The series offers various frequencies within a standardized small form factor. Mercury Electronics has extensive experience in manufacturing crystal oscillators and related components, providing reliable timing solutions for industrial and commercial electronics markets.
Replacement Considerations
Direct substitutes must match the 114.6 MHz frequency, LVCMOS output, 1.8V supply, and 4-SMD package. Verify pinout compatibility and electrical characteristics with alternative manufacturers to ensure seamless integration without redesigning the host circuit board.
