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Product Detailed Parameters
- Description：75.595 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：75.595 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 18QHTF21-75.595-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 75.595 MHz and utilizes LVCMOS output logic levels. The device functions with a supply voltage of 1.8V and includes a standby or power-down control feature for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm, suitable for surface-mount applications requiring precise timing signals.
Feature Summary
- Supports low-voltage operation at 1.8V
- Includes standby and power-down functionality
- Utilizes LVCMOS output interface
Applications
- Digital signal processing systems
- Communication equipment timing
- Embedded microcontroller clock sources
Procurement Notes
Verify the specific ordering suffix to ensure compatibility with required voltage and load conditions. Confirm that the 4-SMD no-lead package matches your PCB footprint design. Check manufacturer documentation for reflow soldering profiles to prevent thermal damage during assembly. Ensure supply voltage stability within specified limits for reliable oscillator performance.
Selection Notes
Choose this component when a small form factor is required alongside low power consumption. The 1.8V supply makes it suitable for modern low-voltage digital circuits. Verify that the LVCMOS output level aligns with the input requirements of the connected logic devices. Consider the operating temperature range if the application involves extreme environmental conditions.
Part Context
This part belongs to the 18QHTF21 series from Mercury Electronics, which focuses on miniature crystal oscillators. The series typically offers various frequencies and voltage options within a consistent 2.0x1.6 mm package. Mercury Electronics specializes in frequency control products, including quartz crystals and oscillators, serving global electronics markets.
Replacement Considerations
Direct substitutes must match the 75.595 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Verify pinout compatibility and electrical specifications before substitution.
