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Product Detailed Parameters
- Description：71.0 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：71 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 18QHTF21-71.000-OE is a quartz crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 71.0 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 3.3V and features an enable/disable control function. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications. This component provides stable clock signals suitable for high-performance digital systems requiring precise timing.
Feature Summary
- LVCMOS output logic compatibility
- Integrated enable/disable control functionality
- Surface-mount 4-SMD no lead package design
Applications
- High-performance digital system clocking
- Embedded processor timing references
- Communication equipment signal generation
Procurement Notes
Verify the specific ordering suffix against manufacturer documentation to ensure correct voltage and frequency specifications. Confirm package type and pin configuration match the target PCB footprint. Check for RoHS compliance status if required by project standards. Ensure supply voltage requirements align with system power rails before integration.
Selection Notes
Select this oscillator when a 71.0 MHz LVCMOS signal is required in a low-profile surface-mount form factor. Consider the 3.3V operating voltage and enable/disable feature for power management needs. Evaluate thermal performance and stability requirements against application constraints. Compare physical dimensions with available board space to ensure proper fitment.
Part Context
Mercury Electronics specializes in frequency control products including quartz crystals and oscillators. The 18QHTF21 series represents their standard XO line offering various frequencies. This model falls within their portfolio of surface-mount devices designed for modern electronic assemblies requiring reliable timing sources.
Replacement Considerations
Cross-reference with other 71.0 MHz LVCMOS oscillators in 4-SMD packages. Verify electrical parameters such as load capacitance and drive level compatibility. Ensure mechanical dimensions and pinout configurations match existing designs before substitution.
