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Product Detailed Parameters
- Description：100.197 MHz XO 1.8V 2.0X1.6MM PD
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：100.197 MHz
- Function：Standby (Power Down)
- 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 18QHTF21-100.197-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 100.197 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and includes a standby or power-down function to manage energy consumption. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.
Feature Summary
- Supports low-voltage operation with integrated standby capability
- Provides stable clock signals via LVCMOS interface
- Utilizes leadless surface-mount packaging for automated assembly
Applications
- High-speed digital signal processing systems
- Communication equipment requiring precise clock synchronization
- Embedded computing modules
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply rail is stable within the component's specified operating range. Ensure the PCB footprint matches the 4-SMD No Lead package dimensions provided in the official datasheet to prevent soldering defects during assembly.
Selection Notes
Select this model when a 100.197 MHz clock source is required for LVCMOS-compatible circuits. Consider the 1.8V supply constraint and the need for a standby feature. Evaluate the thermal performance and size constraints of the 4-SMD package relative to the target application environment.
Part Context
Mercury Electronic Ind. Co., Ltd. is a Taiwan-based manufacturer specializing in frequency control products, including quartz crystals and oscillators. The company has decades of experience in the industry, producing components for various electronic applications requiring reliable timing solutions.
Replacement Considerations
Direct substitutes must match the 100.197 MHz frequency, LVCMOS output, 1.8V supply, and 4-SMD No Lead package. Verify pin compatibility and electrical specifications before replacing.
