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Product Detailed Parameters
- Description：57.413667 M XO 1.8V 2.0X1.6MM OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：57.413667 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)：24mA
- 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 18QHTF21-57.413667-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co. Ltd. It operates at a frequency of 57.413667 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes enable/disable control capabilities. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.
Feature Summary
- LVCMOS output logic for digital interface compatibility
- Integrated enable and disable control functionality
- Surface-mount 4-SMD no lead package design
Applications
- General purpose clock signal generation
- Digital system timing reference
- Embedded controller clock sources
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply voltage aligns with the system power rails. Ensure the PCB footprint matches the 4-SMD no lead package dimensions provided in the official mechanical drawing to prevent assembly issues.
Selection Notes
Select this component when a low-voltage 1.8V operation is required alongside standard LVCMOS signaling levels. The enable/disable feature allows for power management strategies in battery-operated devices. Consider the small form factor of the 4-SMD package for space-constrained layouts compared to larger through-hole or standard SMD oscillator packages.
Part Context
This part belongs to the 18QHTF21 series from Mercury Electronic Ind. Co. Ltd, a manufacturer specializing in quartz crystals and oscillators. The series typically offers various frequency options within a standardized package profile. Mercury Electronics has established itself as a supplier of frequency control products, including TCXOs and VCTCXOs, serving global electronics markets.
Replacement Considerations
Direct replacements must match the 57.413667 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD no lead package. Verify pinout compatibility and electrical characteristics such as rise/fall times and duty cycle. Cross-reference with other manufacturers offering similar low-profile XO components if availability is an issue.
