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Product Detailed Parameters
- Description：118.125 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：118.125 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 18QHTF21-118.125-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 118.125 MHz and utilizes LVCMOS output logic. The device requires a 1.8V supply voltage and features an Enable/Disable control function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. This component is designed for applications requiring precise timing signals within low-voltage digital systems.
Feature Summary
- Supports active enable and disable functionality for power management
- Delivers stable LVCMOS output signals
- Utilizes a surface-mount package for automated assembly
Applications
- Digital signal processing circuits
- Communication equipment clocking
- Consumer electronics timing references
Procurement Notes
Verify the specific ordering suffix to ensure compatibility with required voltage levels and output types. Confirm that the package dimensions align with the target PCB footprint. Ensure the operating temperature range meets the environmental requirements of the final application. Cross-reference the manufacturer's latest documentation for any updates to pin configurations or electrical specifications before integration.
Selection Notes
Select this component when a 118.125 MHz reference is required with low voltage operation. Consider the small form factor for space-constrained designs. Evaluate the need for enable/disable controls to optimize system power consumption. Compare against alternative frequencies if the exact timing requirement allows for flexibility.
Part Context
This part belongs to the QHTF series of crystal oscillators from Mercury Electronics. The series offers various frequencies and voltage options. The 'OE' suffix typically denotes specific operational characteristics defined by the manufacturer. These components are widely used in industries requiring reliable frequency generation.
Replacement Considerations
Direct substitutes include other 118.125 MHz LVCMOS oscillators with identical 1.8V supply and 2.0x1.6mm package dimensions. Verify pinout compatibility and electrical parameters before substitution.
