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18QHTF21-20.250-OE is listed in the Oscillators range at ChipApex. The manufacturer field lists Mercury Electronics Ind. Co. Ltd. Its product description is 20.25 MHz XO 1.8V 2.0X1.6 MM OE. Review the specifications below when checking this part for your BOM.
Oscillators specifications for 18QHTF21-20.250-OE
- Description：20.25 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：20.25 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)：22mA
- 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：-
Oscillators datasheet and documents for 18QHTF21-20.250-OE
Oscillators Overview
The 18QHTF21-20.250-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 20.25 MHz and utilizes LVCMOS output logic levels. The device supports a supply voltage of 1.8V and includes an enable/disable control function for power management. It is housed in a compact 4-SMD, no lead package, designed for surface-mount applications requiring precise timing signals.
Oscillators Feature Summary
- LVCMOS output interface
- Enable/disable control capability
- Compact 4-SMD no lead package
Oscillators Applications
- General purpose clock generation
- Digital signal processing systems
- Embedded controller timing
Oscillators Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure the 1.8V supply voltage aligns with your system's power rails. Confirm that the enable/disable pin functionality is utilized correctly in your schematic to manage power consumption during idle states.
Oscillators Selection Notes
Select this component when a low-profile surface-mount oscillator with enable control is required. The 1.8V operation suits modern low-power digital circuits. Consider the 4-SMD package size for space-constrained PCB layouts. Verify compatibility with LVCMOS input thresholds of downstream components.
Oscillators Part Context
This part belongs to the 18QHTF21 series from Mercury Electronics, which offers various frequencies within the same package footprint. The series provides standard XO options with enable features. Mercury Electronics is a established manufacturer of quartz crystals and oscillators based in Taiwan, providing frequency control solutions since 1973.
Oscillators Replacement Considerations
Direct replacements must match the 20.25 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD no lead package. Check datasheets for equivalent enable/disable functionality. Verify pinout compatibility if substituting with different manufacturers' parts.
Explore related parts through Crystals, Oscillators, Resonators, all product categories, ChipApex homepage.
