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Product Detailed Parameters
- Description：10.04 MHz XO 1.8V 2.0X1.6 MM PD
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：10.04 MHz
- Function：Standby (Power Down)
- 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：-
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Overview
The 18QHTF21-10.040-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 10.04 MHz and utilizes LVCMOS output logic levels. The device supports a supply voltage of 1.8V and includes a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package suitable for surface-mount assembly.
Feature Summary
- Standard crystal oscillator with LVCMOS output interface
- Integrated standby and power-down functionality
- Compact 4-SMD no-lead surface-mount package design
Applications
- General-purpose clock signal generation
- Digital circuit timing references
- Embedded system clock sources
Procurement Notes
Verify the specific part number suffix against official manufacturer documentation to ensure compatibility with required voltage and output specifications. Confirm that the 1.8V supply requirement aligns with the target system design. Check for any updated revision codes or packaging variations before finalizing procurement orders to avoid integration issues.
Selection Notes
Select this component when a low-voltage 1.8V operation is required alongside a standard LVCMOS interface. The 4-SMD package offers space efficiency for dense PCB layouts. Ensure the application does not require higher voltage tolerance or alternative output types such as HCMOS or CMOS if strict signal integrity standards are necessary.
Part Context
This model belongs to the Mercury Electronics XO series, which provides frequency control solutions. Mercury Electronic has been manufacturing quartz crystals and oscillators since 1973, establishing itself as a pioneer in the industry. The company produces various frequency control products including TCXOs and VCXOs.
Replacement Considerations
Cross-reference with other 10.04 MHz LVCMOS oscillators in 4-SMD packages from compatible manufacturers. Verify pinout compatibility and electrical parameter alignment, particularly regarding supply voltage and current consumption, before substituting.
