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Product Detailed Parameters
- Description：49.3967 MHz XO 1.8V 2.0X1.6MM OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：49.3967 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)：23mA
- 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 18QHTF21-49.3967-OE is a 49.3967 MHz crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. This component operates as a standard XO with an LVCMOS output interface, designed for low power consumption applications. It features a supply voltage of 1.8V and includes enable/disable control functionality for power management. The device is housed in a compact 4-SMD, No Lead package, suitable for surface mount assembly on printed circuit boards. As part of the 18QHTF series, it provides stable clock signals for digital circuits requiring precise timing synchronization.
Feature Summary
- LVCMOS output interface for direct logic compatibility
- Enable/Disable pin control for active power management
- Compact 4-SMD no-lead surface mount package design
Applications
- Consumer electronics timing circuits
- Industrial control system clocks
- Communication equipment signal processing
Procurement Notes
Verify the specific ordering suffix against official datasheets to confirm electrical characteristics and packaging details. Ensure the selected variant matches the required frequency tolerance and operating temperature range for your application. Cross-reference the manufacturer's latest documentation to validate availability and compliance with current industry standards before finalizing procurement orders.
Selection Notes
Choose this oscillator when a 1.8V supply and LVCMOS output are required for space-constrained designs. The enable/disable feature supports systems needing dynamic power optimization. Verify that the 4-SMD package dimensions fit the PCB layout constraints. Confirm that the 49.3967 MHz frequency aligns with the target system's clock requirements and phase noise specifications.
Part Context
Mercury Electronic Ind. Co., Ltd specializes in frequency control products including quartz crystals and oscillators. The 18QHTF series represents their standard XO lineup, offering reliable timing solutions for various electronic applications. This model is part of a broader portfolio of components designed for precision timing in consumer and industrial markets.
Replacement Considerations
Consult official substitution guides for compatible alternatives. Verify pinout compatibility and electrical parameters such as voltage and frequency before replacing.
