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Product Detailed Parameters
- Description：12.68865 MHz XO 1.8V 2.0X1.6 PD
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：12.68865 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 18QHTF21-12.68865-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 12.68865 MHz with LVCMOS output logic and a supply voltage of 1.8V. The device features a compact 4-SMD, No Lead package measuring 2.0mm x 1.6mm. It supports standby power down functionality and has a maximum supply current of 22mA. The component is designed for operation within a specified temperature range suitable for portable electronic applications.
Feature Summary
- Compact 2.0mm x 1.6mm SMD package design
- Low supply current consumption of 22mA maximum
- Supports standby power down mode
- LVCMOS output logic compatibility
Applications
- Portable electronic devices
- Battery-powered systems
- Compact consumer electronics
Procurement Notes
Verify the exact part number suffix against official Mercury Electronics documentation to ensure correct frequency tolerance and package variant. Confirm that the 1.8V supply requirement aligns with your system design. Check for any specific handling instructions related to the no-lead SMD package during assembly processes.
Selection Notes
Select this component when space constraints require a sub-2mm footprint oscillator. Ensure the 1.8V operating voltage matches your target platform. Consider the low current draw for battery life optimization. Verify that LVCMOS signaling levels are compatible with the receiving digital circuitry in your application design.
Part Context
This model belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal frequency control products. The manufacturer has over 50 years of experience in the industry. This series targets applications requiring small form factors and low power consumption, leveraging their expertise in Taiwan-based crystal manufacturing.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided source material. Consult Mercury Electronics directly for cross-reference options or equivalent specifications if this specific frequency variant is unavailable.
