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Product Detailed Parameters
- Description：103.75977 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：103.75977 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 18QHTF21-103.75977-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 103.75977 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes an enable/disable control pin for power management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. This component is designed for high-reliability timing applications requiring precise clock signals.
Feature Summary
- LVCMOS output logic for digital interface compatibility
- Integrated enable/disable functionality for power optimization
- Compact surface-mount package design
Applications
- High-speed data communication interfaces
- Network synchronization equipment
- Digital signal processing systems
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against the official datasheet before integration. Ensure the PCB layout supports the 4-SMD no-lead footprint to maintain signal integrity. Confirm that the 1.8V supply rail meets the current consumption specifications during active operation. Cross-reference the OE suffix with manufacturer documentation to confirm enable pin behavior.
Selection Notes
Select this component when a precise 103.75977 MHz clock source is required in space-constrained designs. The LVCMOS output is suitable for direct interfacing with standard digital logic families. Consider the enable feature if system power efficiency is a priority. Verify operating temperature range compliance for the intended environment.
Part Context
This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz-based frequency control products. The series offers various frequencies within a small form factor. Mercury Electronics has a long history in manufacturing quartz crystals and oscillators, providing industry-standard timing solutions.
Replacement Considerations
Direct substitutes must match the 103.75977 MHz frequency, 1.8V supply, LVCMOS output, and 2.0x1.6mm package size. Check equivalent models from other manufacturers offering identical electrical characteristics and pinout configurations.
