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Product Detailed Parameters
- Description：CRYSTAL 12.0000MHZ 18PF SMD
- Series：HC49/4HSMX
- Mfr：IQD Frequency Products
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：MHz Crystal
- Frequency：12 MHz
- Frequency Stability：±50ppm
- Frequency Tolerance：±20ppm
- Load Capacitance：18pF
- ESR (Equivalent Series Resistance)：40 Ohms
- Operating Mode：Fundamental
- Operating Temperature：-20°C ~ 70°C
- Ratings：-
- Mounting Type：Surface Mount
- Package / Case：HC-49/US
- Supplier Device Package：-
- Size / Dimension：0.449" L x 0.150" W (11.40mm x 3.80mm)
- Height - Seated (Max)：0.169" (4.30mm)
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Overview
The LFXTAL036356 is a surface-mount crystal oscillator manufactured by IQD Frequency Products. It operates at a nominal frequency of 12 MHz with a load capacitance of 18 pF. The component features an equivalent series resistance (ESR) of 40 Ohms and utilizes the HC-49/US package form factor. Key physical dimensions include a maximum seated height of 0.169 inches (4.30 mm).
Feature Summary
- Surface-mount construction for automated assembly integration.
- HC-49/US compatible package design for standardized footprint usage.
Applications
- General-purpose timing circuits requiring 12 MHz reference signals.
- Embedded systems utilizing standard SMD mounting processes.
- Consumer electronics employing HC-49/US compatible layouts.
Procurement Notes
Verify the specific suffix or variant code to ensure compatibility with required load capacitance and frequency tolerance specifications. Confirm that the surface-mount package aligns with the target PCB land pattern. Review manufacturer documentation for environmental operating limits before finalizing component selection for production.
Selection Notes
Select this component when a 12 MHz surface-mount crystal is required within an HC-49/US compatible footprint. Ensure the application circuit supports the specified 18 pF load capacitance. Verify that the 40 Ohm ESR value meets the oscillator circuit requirements. Check mechanical height constraints against the 4.30 mm maximum specification.
Part Context
This part belongs to the IQD Frequency Products line of frequency control devices. It serves as a passive timing element designed for integration into electronic assemblies. The product represents a standard solution for generating precise clock signals in compact surface-mount configurations.
Replacement Considerations
No public substitute part numbers are documented in the provided source material.
FAQ
What is the load capacitance specification?
The LFXTAL036356 specifies a load capacitance of 18 pF.
Does this component use through-hole mounting?
No, the LFXTAL036356 is a surface-mount device.
