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Product Detailed Parameters
- Description：117.675 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：117.675 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 18QHTF21-117.675-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a nominal frequency of 117.675 MHz and utilizes LVCMOS output logic. The device is designed for low-voltage applications with a supply voltage of 1.8V. It features an enable/disable control function, allowing for power management flexibility in electronic circuits. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm, suitable for space-constrained surface-mount designs.
Feature Summary
- Integrates enable/disable functionality for efficient power control
- Utilizes LVCMOS output logic for digital interface compatibility
- Designed for low-voltage operation at 1.8V supply
Applications
- General-purpose timing reference in consumer electronics
- Clock signal generation in embedded systems
- Data communication interfaces requiring precise frequency stability
Procurement Notes
Verify the specific suffix 'OE' indicates the enable/disable feature when sourcing replacements. Confirm the 1.8V supply requirement matches the target circuit design. Ensure the 4-SMD no-lead package footprint aligns with the PCB layout specifications to prevent assembly issues.
Selection Notes
Select this component when a small form factor is required alongside low-power consumption capabilities. The 1.8V operating voltage makes it suitable for modern battery-powered devices. Consider the enable pin utility if system-wide power saving strategies are implemented during idle states.
Part Context
This part belongs to the QHTF series of surface-mount oscillators from Mercury Electronics. The series typically offers various frequencies and voltage options within a standardized 2.0x1.6mm footprint. The '18' prefix likely denotes the 1.8V supply variant, distinguishing it from other voltage versions in the product line.
Replacement Considerations
Check for equivalent parts with matching 117.675 MHz frequency and 1.8V supply. Verify that substitute components support LVCMOS outputs and include enable/disable controls. Ensure the replacement maintains the 4-SMD no-lead package dimensions for direct board compatibility.
