CSM1Z-A5B2C5-40-18.432D18

Crystals Overview

The CSM1Z-A5B2C5-40-18.432D18 is a surface-mount quartz crystal resonator manufactured by Cardinal Components Inc. It operates at a fundamental frequency of 18.432 MHz with a frequency tolerance of ±20 ppm and a stability of ±50 ppm. The component features an 18 pF load capacitance and a maximum equivalent series resistance (ESR) of 40 Ohms. It utilizes the HC-49/US package, measuring 11.60 mm in length, 4.70 mm in width, and 4.60 mm in height. Designed for base mode operation, it supports a commercial operating temperature range of -20°C to +70°C.

Crystals Feature Summary

• Surface-mount construction utilizing the standard HC-49/US form factor for reliable PCB integration.
• Quartz crystal resonator designed for stable oscillation in digital timing circuits.
• Compliant with RoHS3 standards for environmental safety.

Crystals Applications

• Digital clock signal generation
• Microcontroller oscillator circuits
• Communication interface timing

Crystals Procurement Notes

Verify the specific suffix D18 against the manufacturer's current datasheet to confirm packaging and marking details. Ensure the selected variant matches the required frequency tolerance of ±20 ppm and load capacitance of 18 pF for circuit compatibility. Cross-reference the HC-49/US footprint dimensions during layout design.

Crystals Selection Notes

Select this component when a standard 18.432 MHz reference is required for microprocessor or communication systems. The HC-49/US SMD package offers a balance between performance and board space efficiency compared to through-hole alternatives. Confirm that the ±20 ppm tolerance meets the system's jitter and timing requirements.

Crystals Part Context

This part belongs to the CSM1 series of quartz crystals from Cardinal Components Inc. The series provides various frequencies within the HC-49/US SMD package. These components are widely used in consumer electronics and industrial equipment requiring precise clock signals.

Crystals Replacement Considerations

ABLS-27.000MHZ-B2F-T and ABLS-27.000MHZ-B4-FT are listed as parameter-equivalent substitutes by distributors, though they differ in frequency. Verify electrical equivalence carefully before substitution.