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Product Detailed Parameters
- Description：13.26225 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：13.26225 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 18QHTF21-13.26225-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 13.26225 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm. This component is designed for applications requiring precise clock signals within a small form factor.
Feature Summary
- Supports standby mode for power reduction
- Compact surface-mount package design
- LVCMOS output interface compatibility
Applications
- General digital circuit clock generation
- Embedded system timing references
- Portable electronic devices requiring low power consumption
Procurement Notes
Verify the specific frequency tolerance and operating temperature range against the official datasheet before integration. Confirm that the 1.8V supply voltage aligns with the target system's power rails. Ensure the 4-SMD no-lead package footprint matches the PCB layout requirements to avoid soldering issues during assembly.
Selection Notes
Select this model when a 13.26225 MHz clock signal is required with LVCMOS outputs. Consider the 1.8V operating voltage constraint and the need for a power-down feature. The small 2.0x1.6 mm package makes it suitable for space-constrained designs compared to larger oscillator packages.
Part Context
This part belongs to the 18QHTF21 series from Mercury Electronics, characterized by 1.8V operation and small SMD footprints. Similar models in the series include variants with different frequencies such as 8.000 MHz or 51.200 MHz, sharing the same package and electrical interface standards while differing in output frequency specifications.
Replacement Considerations
Direct substitutes must match the 13.26225 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Verify equivalent performance metrics from other manufacturers if cross-referencing.
