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Product Detailed Parameters
- Description：13.02519 MHz XO 1.8V 2.0X1.6 OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：13.02519 MHz
- Function：Enable/Disable
- 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 18QHTF21-13.02519-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 13.02519 MHz with LVCMOS output logic. The device supports a supply voltage of 1.8V and features an enable/disable control function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm.
Feature Summary
- Standard XO configuration with LVCMOS output
- Integrated enable/disable control functionality
- Compact 4-SMD surface-mount package
Applications
- General digital timing circuits
- Embedded systems requiring precise clock signals
- Consumer electronics with low power requirements
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD footprint matches your PCB layout constraints. Check for any RoHS compliance documentation if required by your manufacturing standards.
Selection Notes
Select this component when a stable 13.02519 MHz clock source is needed in a small form factor. The LVCMOS interface ensures compatibility with standard digital logic families. Consider the enable pin utility for power management strategies in battery-operated devices. Evaluate thermal performance within the specified operating temperature range.
Part Context
This part belongs to Mercury Electronics' QHT series of surface-mount crystal oscillators. The series offers various frequencies and voltages. The '18' prefix typically indicates the 1.8V supply variant. The 'OE' suffix may denote specific packaging or lead-free options as per manufacturer definitions.
Replacement Considerations
Direct replacements must match the 13.02519 MHz frequency, 1.8V supply, LVCMOS output, and 2.0x1.6mm package size. Verify electrical parameters such as jitter and phase noise from competitor datasheets. Ensure pinout compatibility for seamless integration into existing designs.
