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Product Detailed Parameters
- Description：75.963 MHz XO 1.8V 2.0X1.6 MM PD
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：75.963 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)：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 18QHTF21-75.963-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 75.913 MHz with a supply voltage of 2.5V. The device utilizes LVCMOS output logic and supports a power-down standby mode. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm.
Feature Summary
- Supports low-power standby operation via power-down control
- Provides stable clock signals using LVCMOS output interface
- Designed for surface-mount assembly in space-constrained applications
Applications
- General-purpose digital clock generation
- Embedded system timing references
- Communication equipment signal processing
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 2.5V supply voltage aligns with the system's power rails. Ensure the 4-SMD no-lead package footprint matches the PCB layout specifications to guarantee proper soldering and mechanical stability during assembly.
Selection Notes
Select this component when a precise 75.913 MHz reference is required with low voltage operation. Consider the 2.5V supply constraint and LVCMOS compatibility with downstream logic circuits. Evaluate the thermal performance and size constraints relative to the 2.0mm x 1.6mm package dimensions for optimal integration into the final electronic product design.
Part Context
This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronics. The series offers various frequencies and voltage options, including 1.8V and 2.5V variants. These components are designed for high reliability and stability in consumer electronics and industrial applications requiring accurate timing signals.
Replacement Considerations
Direct substitutes include other 75.913 MHz XO models with identical 2.5V supply and LVCMOS output characteristics. Verify pinout compatibility and package dimensions (2.0x1.6mm) to ensure seamless replacement without PCB redesign.
