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Product Detailed Parameters
- Description：75.58 MHz XO 1.8V 2.0X1.6 MM OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：75.58 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)：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 18QHTF21-75.580-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 75.58 MHz with LVCMOS output logic and a supply voltage of 1.8V. The device features enable/disable functionality and utilizes a 4-SMD, No Lead surface-mount package. It supports an operating temperature range of -40°C to 85°C and offers a frequency stability of ±50ppm.
Feature Summary
- Supports enable and disable control for power management
- Utilizes LVCMOS output logic for digital interface compatibility
- Designed for surface-mount assembly in compact form factors
Applications
- General clock signal generation in electronic circuits
- Timing reference for digital systems requiring stable frequencies
- Embedded devices utilizing low-voltage logic interfaces
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's power rails. Ensure the 4-SMD no-lead package footprint matches the PCB layout specifications to guarantee proper soldering and mechanical stability during operation.
Selection Notes
Select this component when a precise 75.58 MHz timing source is required within a low-voltage environment. Consider the ±50ppm stability specification for applications sensitive to frequency drift over temperature variations. The enable/disable feature makes it suitable for battery-powered or power-sensitive designs where active standby modes are necessary to extend operational life.
Part Context
Mercury Electronic Ind. Co., Ltd. is a Taiwan-based manufacturer specializing in frequency-control products, including quartz crystals, oscillators, and filters. The company has a long history in the industry, producing various timing components for diverse electronic applications. This part belongs to their series of surface-mount crystal oscillators designed for modern digital electronics.
Replacement Considerations
Direct substitutes include the 18QHTF21-75.550-OE and 18QHTF21-117.675-OE from the same manufacturer, though these operate at different frequencies. When replacing, ensure the new component matches the required frequency, voltage, and package dimensions to maintain circuit integrity.
