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Product Detailed Parameters
- Description：71.1708333 M XO 1.8V 2.0X1.6 OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：71.1708333 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 18QHTF21-71.1708333-OE is a 71.1708333 MHz crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It utilizes LVCMOS output logic and operates at a supply voltage of 1.8V. The device features an Enable/Disable control function 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 standard frequency generation applications requiring low voltage operation and precise timing signals.
Feature Summary
- LVCMOS output logic for digital interface compatibility
- Enable/Disable control pin for active power management
- Compact 4-SMD no-lead surface mount package
Applications
- General purpose clock signal generation
- Digital circuit timing reference
- Embedded system clock sources
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct functionality. Confirm that the OE suffix corresponds to the Enable/Disable feature set rather than other variants. Cross-reference the part number with the latest datasheet to validate electrical parameters and package dimensions before finalizing procurement orders.
Selection Notes
Select this component when a 1.8V supply voltage is required for low-power applications. Ensure the design accommodates the 4-SMD no-lead footprint. Verify that the LVCMOS output swing matches the input requirements of the downstream logic devices. Consider the Enable/Disable feature if dynamic power saving is necessary for the application.
Part Context
This model belongs to the 18QHTF21 series of ultra-small crystal oscillators from Mercury Electronics. The series is characterized by its miniature 2.0x1.6mm package size and low voltage operation. It serves as a timing source for portable electronics and compact digital systems where space constraints are critical.
Replacement Considerations
Check for direct substitutes within the same series offering different frequencies or voltage levels. Verify pinout compatibility and electrical specifications before substituting with other manufacturers' components.
