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Product Detailed Parameters
- Description：124.412 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：124.412 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 18QHTF21-124.412-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 124.412 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 2.0 x 1.6 mm. The maximum supply current is specified as 28 mA.
Feature Summary
- Integrates LVCMOS output logic for standard digital interface compatibility
- Includes hardware enable and disable control functionality
- Utilizes a base crystal resonator for frequency stability
- Designed in a small form factor surface-mount package
Applications
- General clock signal generation in electronic circuits
- Timing reference for digital systems requiring 124.412 MHz
- Embedded devices utilizing LVCMOS compatible interfaces
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct configuration. Confirm that the required operating temperature range and load conditions align with the system design specifications before procurement. Cross-reference the part number with the latest datasheet to validate electrical parameters and package details.
Selection Notes
Select this component when a precise 124.412 MHz timing source is required within a low-voltage 1.8V system architecture. The choice is appropriate for applications necessitating LVCMOS outputs and physical space constraints due to the 2.0x1.6 mm footprint. Ensure the design supports the enable/disable pin functionality if power management is a priority.
Part Context
This model belongs to the standard XO series from Mercury Electronics, focusing on SMD crystal oscillators. The product line includes various frequencies and packages, such as H21 and H22 series identifiers found in related documentation. This specific variant targets high-frequency applications requiring stable quartz-based timing solutions.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative sources only through direct datasheet comparison of electrical characteristics and pinout definitions.
