CSM1Z-A0B2C3-150-4.0D18

Crystals Overview

The CSM1Z-A0B2C3-150-4.0D18 is a parallel fundamental quartz crystal manufactured by Cardinal Components Inc. It operates at a nominal frequency of 4.0 MHz with a frequency tolerance of ±30 ppm and stability of ±50 ppm. The component features a load capacitance of 18 pF, an equivalent series resistance (ESR) of 150 ohms, and a drive level of 1 mW. Designed for surface mount applications, it utilizes the HC-49/US package format with dimensions of 11.60 mm x 4.70 mm x 4.60 mm. The unit supports an operating temperature range of -10°C to +60°C and complies with RoHS standards.

Crystals Feature Summary

• Surface mount construction utilizing HC-49/US package geometry
• Parallel fundamental oscillation mode operation
• Compliance with RoHS environmental directives

Crystals Applications

• General purpose clock signal generation
• Microcontroller oscillator circuits
• Digital communication interface timing

Crystals Procurement Notes

Verify that the specific part number matches the required electrical parameters, particularly the 150 ohm ESR and 18 pF load capacitance. Confirm the package type corresponds to the HC-49/US form factor despite the SMD designation in some listings. Ensure the operating temperature range of -10°C to +60°C meets the application requirements. Check for RoHS compliance status if restricted substances are a concern. Validate supplier documentation against the manufacturer's official specifications.

Crystals Selection Notes

Select this component when a standard HC-49/US footprint is required for surface mount assembly. The 150 ohm ESR value is suitable for oscillator circuits designed for this specific resistance range. The 4.0 MHz frequency provides a common clock rate for various digital systems. Consider the ±30 ppm tolerance for applications requiring moderate frequency accuracy. The -10°C to +60°C range defines the thermal limits for reliable operation.

Crystals Part Context

This part belongs to the CSM1 series from Cardinal Components Inc., which offers surface mount crystals in the HC-49/US package style. The series provides various frequency and resistance options while maintaining a standardized physical profile. This specific model represents a 4.0 MHz variant with 150 ohm ESR, catering to designs needing this specific impedance characteristic in a compact surface mount format.

Crystals Replacement Considerations

HCM4924000000ABJT is listed as a parameter-equivalent alternative for similar HC-49/US surface mount crystals, though frequency and ESR must be verified.