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Product Detailed Parameters
- Description：1.26 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：1.26 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)：21mA
- 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 18QHTF21-1.260-PD is a 1.26 MHz crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a supply voltage of 1.8V and utilizes LVCMOS output logic. The component features a compact surface-mount package with dimensions of 2.0mm x 1.6mm. It includes a standby or power-down function for energy management. This device is designed for applications requiring precise frequency control in low-power electronic systems.
Feature Summary
- Compact 2.0x1.6 mm surface mount package
- Low 1.8V supply voltage operation
- LVCMOS output logic compatibility
- Integrated standby and power-down functionality
Applications
- Portable consumer electronics
- IoT sensor modules
- Battery-powered devices
- Compact communication interfaces
Procurement Notes
Verify the exact datasheet specifications directly from Mercury Electronic Ind. Co. Ltd official documentation before procurement. Confirm that the 1.8V supply requirement and LVCMOS output levels align with your target circuit design. Ensure the 2.0x1.6mm footprint matches your PCB layout constraints. Check for any specific handling requirements related to the surface-mount package type.
Selection Notes
Select this oscillator when space constraints are critical due to its small 2.0x1.6mm footprint. Choose it for low-voltage systems requiring 1.8V operation. Consider it for designs needing power-down capabilities to extend battery life. Verify that LVCMOS logic levels are compatible with your microcontroller or FPGA inputs. Ensure the 1.26MHz frequency meets your system timing requirements.
Part Context
Mercury Electronic Ind. Co. Ltd specializes in quartz crystal frequency control products, including oscillators. The 18QHTF21 series represents their surface-mount oscillator lineup. These components are engineered for reliability and precision in modern electronic applications. Mercury has a long history in manufacturing quartz crystals and frequency control solutions.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided source material. Consult Mercury Electronic Ind. Co. Ltd for potential cross-reference options. Ensure any replacement matches the 1.8V supply, LVCMOS output, and 2.0x1.6mm package dimensions.
