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Product Detailed Parameters
- Description：123.5 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：123.5 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 18QHTF21-123.500-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 123.5 MHz and utilizes LVCMOS output levels. The device supports a supply voltage of 1.8V and includes an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.
Feature Summary
- Supports enable/disable functionality for output signal control
- Utilizes LVCMOS output interface standards
- Designed for low-voltage operation at 1.8V
Applications
- General timing applications requiring precise clock signals
- Embedded systems utilizing LVCMOS interfaces
- Portable electronics benefiting from low-power enable features
Procurement Notes
Verify the specific suffix 'OE' against official Mercury Electronics documentation to confirm the enable/disable feature and voltage specifications. Ensure the 4-SMD no-lead package matches the target PCB footprint. Cross-reference the 123.5 MHz frequency requirement with system clock inputs before finalizing procurement orders.
Selection Notes
Select this component when a 123.5 MHz clock source with LVCMOS compatibility is required. The 1.8V operating voltage makes it suitable for modern low-power digital circuits. The enable pin allows for dynamic power saving, which is critical for battery-operated devices or systems requiring clock gating capabilities during idle states.
Part Context
This oscillator belongs to the 18QHTF series from Mercury Electronic Ind. Co., Ltd., a manufacturer specializing in quartz crystals and oscillators since 1973. The series typically offers various frequencies and package options, positioning these components within the broader market for precision timing solutions in consumer and industrial electronics.
Replacement Considerations
The 18QHTF21-123.500-PD is a related variant from the same manufacturer. Verify if the 'PD' suffix denotes identical electrical characteristics or different packaging/supply voltage requirements before substituting.
