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Product Detailed Parameters
- Description：72.6 MHz XO 1.8V 2.0X1.6 MM OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：72.6 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)：26mA
- 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 18QHTF21-72.600-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 72.6 MHz with an LVCMOS output logic level. The device requires a supply voltage of 1.8V and features an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm.
Feature Summary
- Integrated enable/disable functionality for efficient power management
- Compact surface-mount design suitable for space-constrained applications
- Standard LVCMOS output compatibility
Applications
- Portable electronic devices requiring low power consumption
- Communication systems utilizing standard clock signals
- Embedded controllers needing precise timing references
Procurement Notes
Verify the specific suffix 'OE' against the manufacturer's current datasheet to confirm availability and exact electrical tolerances. Ensure the 1.8V supply requirement aligns with your system design. Confirm that the 4-SMD no-lead package matches your PCB footprint specifications before finalizing procurement orders.
Selection Notes
Select this component when a 72.6 MHz clock source is required with strict size limitations. The 1.8V operating voltage makes it suitable for modern low-voltage digital circuits. Consider the enable pin feature if dynamic power saving is necessary for battery-operated equipment compared to always-on oscillators.
Part Context
This part belongs to the 18QHT 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 'OE' suffix likely denotes a specific packaging or tape-and-reel configuration distinct from other variants like 'PD'.
Replacement Considerations
Direct substitutes include other 1.8V, 72.6 MHz LVCMOS oscillators in 2016 packages. Verify pinout compatibility and frequency tolerance specifications when cross-referencing with competitors. Ensure the replacement supports the same enable/disable control logic.
