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18QHTF21-19.657812-OE is listed in the Oscillators range at ChipApex. The manufacturer field lists Mercury Electronics Ind. Co. Ltd. Its product description is 19.657812 M XO 1.8V 2.0X1.6MM OE. Review the specifications below when checking this part for your BOM.
Oscillators specifications for 18QHTF21-19.657812-OE
- Description：19.657812 M XO 1.8V 2.0X1.6MM OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：19.657812 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 18QHTF21-19.657812-OE
Oscillators Overview
The 18QHTF21-19.657812-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 19.657812 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 suitable for surface mount applications.
Oscillators Feature Summary
- LVCMOS output interface
- 1.8V supply voltage operation
- Enable/Disable control pin
- Standard XO form factor
Oscillators Applications
- Digital signal processing circuits
- Communication equipment clocking
- Embedded system timing references
- Consumer electronics boards
Oscillators Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against your design specifications before ordering. Confirm that the 1.8V supply rail is stable and within the operational limits defined in the official datasheet. Ensure the PCB footprint matches the 4-SMD, No Lead package dimensions to prevent assembly issues.
Oscillators Selection Notes
Select this component when a precise 19.657812 MHz reference is required with low voltage compatibility. The enable/disable feature allows for dynamic power saving in battery-operated devices. Consider the thermal characteristics and stability requirements of the application environment to ensure long-term reliability.
Oscillators Part Context
Mercury Electronic Ind. Co., Ltd. is a manufacturer specializing in frequency control products, including quartz crystals and oscillators. This part belongs to their series of surface mount crystal oscillators designed for modern electronic systems requiring reliable timing signals.
Oscillators Replacement Considerations
Check for direct substitutes from Mercury Electronics or other manufacturers offering identical 19.657812 MHz LVCMOS oscillators in 4-SMD packages. Verify pinout compatibility and electrical parameters such as supply voltage and output swing before substitution.
Explore related parts through Crystals, Oscillators, Resonators, all product categories, ChipApex homepage.
