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Product Detailed Parameters
- Description：13.519 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：13.519 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 18QHTF21-13.519-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 13.519 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, featuring a supply voltage of 1.8V. It includes a standby or power-down function to manage energy consumption effectively. The component is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly processes.
Feature Summary
- Supports LVCMOS output interface for digital logic compatibility
- Includes standby mode capability for power management
- Designed for low-voltage operation at 1.8V
Applications
- Battery-powered portable electronic devices
- Low-power consumer electronics
- Digital signal processing circuits requiring precise timing
Procurement Notes
Verify the specific ordering suffix and frequency tolerance against the official datasheet before procurement. Ensure the 4-SMD no-lead package dimensions match the target PCB footprint. Confirm that the 1.8V supply requirement aligns with the system design constraints. Check for any RoHS compliance documentation if required by regional regulations.
Selection Notes
Select this component when a stable 13.519 MHz clock source is required for low-voltage digital systems. The LVCMOS output ensures direct interfacing with standard logic families without additional level shifting. The integrated standby feature makes it suitable for applications requiring power efficiency during idle states.
Part Context
Mercury Electronic Ind. Co., Ltd. is a Taiwan-based manufacturer specializing in frequency control products, including quartz crystals and oscillators. This part belongs to their series of standard XO components designed for general-purpose timing applications in modern electronic equipment.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided data. Cross-referencing requires matching frequency, output type, voltage, and package specifications from other manufacturers.
