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Product Detailed Parameters
- Description：7.3727 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：7.3727 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 18QHTF21-7.3727-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 7.3727 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, functioning at a supply voltage of 1.8V. It features a power-down capability via a standby control input to reduce consumption when inactive. The component is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly on printed circuit boards.
Feature Summary
- Supports LVCMOS output interface for digital logic compatibility
- Includes standby mode for power-down functionality
- Operates at 1.8V supply voltage
- Available in 4-SMD no-lead surface mount package
Applications
- Portable electronic devices requiring low power consumption
- Digital communication systems utilizing LVCMOS interfaces
- Embedded systems with strict size constraints
Procurement Notes
Verify the specific ordering suffix and package variant against the manufacturer's current datasheet before procurement. Ensure that the 1.8V supply voltage aligns with the target system design requirements. Confirm the presence of the power-down pin configuration if active standby control is required for the application. Cross-reference the part number with authorized distributors to ensure authenticity and availability.
Selection Notes
Select this component when a low-voltage, low-power oscillator with LVCMOS outputs is required. The 1.8V operation makes it suitable for modern battery-powered or energy-efficient designs. Consider the 4-SMD package size for space-constrained layouts. Verify that the 7.3727 MHz frequency meets the timing requirements of the connected microcontroller or clock receiver.
Part Context
This part belongs to the Mercury Electronics 18QHTF series of standard crystal oscillators. The series typically offers various frequencies and voltage options in small SMD packages. Mercury Electronics specializes in quartz-based frequency control products, including crystals and oscillators, serving the global electronics market with components designed for reliability and precision timing applications.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation. Consult the manufacturer for direct replacements or equivalent specifications from other suppliers if this specific model is unavailable.
