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Product Detailed Parameters
- Description：1.52 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：1.52 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 18QHTF21-1.520-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 1.52 MHz and utilizes LVCMOS output logic levels. The device is designed for low voltage applications, specifically requiring a 1.8V supply voltage. It features a power-down function to manage standby current consumption effectively. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm, suitable for surface-mount assembly.
Feature Summary
- Supports LVCMOS output interface for digital compatibility
- Includes power-down capability for energy efficiency
- Compact 4-SMD no-lead surface mount package design
Applications
- Low-frequency clock generation in portable electronics
- Timing reference for microcontroller systems
- Battery-powered devices requiring power management
Procurement Notes
Verify the specific ordering suffix and package variant against the manufacturer's official datasheet to ensure compatibility with your PCB footprint and voltage requirements. Confirm that the LVCMOS output swing matches your load circuit specifications before finalizing procurement orders.
Selection Notes
Select this component when a precise 1.52 MHz timing source is required within space-constrained designs. Ensure the system architecture supports 1.8V operation and can accommodate the specific load capacitance requirements defined in the official electrical characteristics table.
Part Context
This part belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series offers various frequency options within a standardized small outline package format, providing consistent performance characteristics across different clock frequencies for embedded applications.
Replacement Considerations
Direct substitutes include other 1.52 MHz LVCMOS oscillators in 2.0x1.6mm packages from compatible manufacturers, provided pinout and voltage specifications align exactly with the original Mercury Electronics specification.
