445A3XC12M00000

Crystals Overview

The 445A3XC12M00000 is a surface-mount AT-cut crystal manufactured by CTS-Frequency Controls. It operates at a fundamental frequency of 12 MHz with a load capacitance of 18 pF. The component features a frequency stability and tolerance of ±30 ppm and an equivalent series resistance (ESR) of 30 Ohms. Designed for the 445 series, it utilizes a 2-SMD, no-lead package measuring 5.00 mm in length, 3.20 mm in width, and 1.35 mm in maximum height. The device supports base harmonic operation within a commercial temperature range of -10°C to +60°C.

Crystals Feature Summary

• Utilizes glass-sealed AT-cut technology for stable oscillation
• Designed for surface-mount assembly in compact electronic circuits
• Operates in fundamental mode for precise timing applications

Crystals Applications

• Microcontroller clock sources
• Communication interface timing
• Digital signal processing systems

Crystals Procurement Notes

Verify the specific suffix 'X' against official CTS documentation to confirm exact electrical parameters, as generic listings may vary. Ensure the requested variant matches the required load capacitance and ESR specifications for the target circuit design. Confirm RoHS compliance status directly with the manufacturer or authorized distributor prior to procurement.

Crystals Selection Notes

Select this component when a 12 MHz fundamental frequency with ±30 ppm stability is required in a small 2-SMD footprint. Consider the 18 pF load capacitance and 30 Ohm ESR values to ensure compatibility with the host oscillator circuit. Verify that the -10°C to +60°C operating range meets the environmental requirements of the intended application.

Crystals Part Context

This part belongs to the CTS 445 series of glass-sealed crystals, which are designed for general-purpose timing applications. The series offers various frequencies and packages, providing a reliable solution for consumer electronics and industrial equipment requiring stable clock signals in space-constrained designs.

Crystals Replacement Considerations

Direct substitutes include 445A33A12M00000 and 445I33A12M00000 from CTS-Frequency Controls. These alternatives share similar form factors and electrical characteristics, ensuring pin-compatible replacement without redesigning the PCB layout.