CSM1Z-A5B2C5-40-12.0D18

Crystals Overview

The CSM1Z-A5B2C5-40-12.0D18 is a parallel fundamental quartz crystal manufactured by Cardinal Components Inc. It operates at a nominal frequency of 12 MHz with a frequency tolerance of ±20 ppm and a frequency stability of ±50 ppm. The component features a load capacitance of 18 pF and an equivalent series resistance (ESR) of 40 Ohms. Designed for surface mount installation, it utilizes the HC-49/US package style with physical dimensions of 11.60 mm in length, 4.70 mm in width, and a maximum height of 4.60 mm. It supports a base operating temperature range from -20°C to +70°C.

Crystals Feature Summary

• Surface mount configuration utilizing the standard HC-49/US package style for reliable PCB integration.
• Parallel fundamental resonance mode operation providing stable oscillation characteristics.
• Compliance with RoHS3 specifications ensuring environmental safety standards.

Crystals Applications

• Embedded microcontroller clock generation circuits
• General-purpose digital logic timing references
• Consumer electronic device oscillator modules

Crystals Procurement Notes

Verify the specific package designation against official datasheets, as external listings sometimes misidentify this SMD part as through-hole HC-49/US. Confirm that the required frequency tolerance matches the ±20 ppm specification for your circuit design. Ensure the operating temperature range of -20°C to +70°C aligns with your application environment requirements before finalizing procurement.

Crystals Selection Notes

Select this component when a 12 MHz reference signal is required in a compact surface mount form factor. The 18 pF load capacitance must match the oscillator circuit design parameters to ensure accurate frequency output. Consider the ±20 ppm tolerance if higher precision is needed, or verify if the ±50 ppm stability meets the system's long-term drift requirements.

Crystals Part Context

This part belongs to the CSM1 series of low-profile surface mount crystals from Cardinal Components Inc. The series offers various frequency options within the HC-49/US footprint, balancing cost-effectiveness with performance. It serves as a direct replacement for legacy through-hole crystals where space constraints necessitate a surface mount solution.

Crystals Replacement Considerations

Direct substitutes include other 12 MHz crystals with identical 18 pF load capacitance and 40 Ohm ESR in the HC-49/US SMD package. Verify that alternative parts support the same -20°C to +70°C operating temperature range and meet the ±20 ppm frequency tolerance requirement.

Crystals FAQ

Is the CSM1Z-A5B2C5-40-12.0D18 a through-hole or surface mount component?

It is a surface mount component that utilizes the HC-49/US package style.

What is the specified load capacitance for this crystal?

The specified load capacitance is 18 pF.