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18QHTF21-4.718592-OE is listed in the Oscillators range at ChipApex. The manufacturer field lists Mercury Electronics Ind. Co. Ltd. Its product description is 4.718592 MHz XO 1.8V 2.0X1.6 OE. Review the specifications below when checking this part for your BOM.
Oscillators specifications for 18QHTF21-4.718592-OE
- Description：4.718592 MHz XO 1.8V 2.0X1.6 OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：4.718592 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)：21mA
- 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：-
Oscillators datasheet and documents for 18QHTF21-4.718592-OE
Oscillators Overview
The 18QHTF21-4.718592-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 4.718592 MHz and utilizes LVCMOS output logic levels. The device supports an enable/disable control function and is powered by a 1.8V supply voltage. It is housed in a compact 4-SMD, No Lead package suitable for surface-mount assembly.
Oscillators Feature Summary
- Supports active enable and disable control functionality
- Utilizes LVCMOS output interface for digital compatibility
- Designed for low-voltage 1.8V operation
Oscillators Applications
- Computing systems requiring precise clock signals
- Industrial quartz crystal applications
- Automotive electronics timing circuits
Oscillators Procurement Notes
Verify the specific ordering suffix against official Mercury Electronics documentation to ensure correct pinout and tolerance specifications. Confirm that the 1.8V supply requirement aligns with the target system design before procurement. Check for any specific handling instructions related to the no-lead SMD package format.
Oscillators Selection Notes
Select this component when a 4.718592 MHz clock source is required for 1.8V logic systems. Ensure the application necessitates an enable/disable feature for power management. Verify that the 4-SMD footprint fits the PCB layout constraints compared to through-hole alternatives.
Oscillators Part Context
Mercury Electronics Ind. Co. Ltd is a Taiwan-based manufacturer established in 1973, specializing in quartz crystal and oscillator solutions. The company is recognized as a pioneer in the Taiwanese crystal industry, providing frequency control products for computing, automotive, and industrial sectors globally.
Oscillators Replacement Considerations
Cross-reference part numbers within the Mercury 18QHTF series for identical frequency and package variants. Verify electrical parameters such as load capacitance and drive level before substituting with other manufacturers' oscillators.
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