CM309S25.175MABJT

Crystals Overview

The CM309S25.175MABJT is a parallel fundamental quartz crystal manufactured by Citizen FineDevice Co Ltd. It operates at a nominal frequency of 25.175 MHz with a load capacitance of 18 pF and an equivalent series resistance (ESR) of 50 Ohms. The component utilizes a 4-SOJ package with a 9.40 mm pitch, designed for surface mount technology. It supports CMOS and TTL output logic levels within a standard oscillator configuration.

Crystals Feature Summary

• Parallel fundamental quartz crystal construction
• Surface mount 4-SOJ package design
• CMOS and TTL compatible output logic

Crystals Applications

• Digital clock signal generation
• Microprocessor timing circuits
• Communication system oscillators

Crystals Procurement Notes

Verify the specific suffix and pitch requirements against the target PCB footprint. Confirm that the 18 pF load capacitance matches the circuit design specifications. Ensure the 50 Ohm ESR is compatible with the oscillator driver circuit to guarantee stable startup and operation.

Crystals Selection Notes

Select this component when a 25.175 MHz frequency is required in a compact surface mount form factor. The 4-SOJ package with 9.40 mm pitch offers specific spacing advantages over standard SOIC packages. Verify compatibility with existing board layouts before finalizing the selection.

Crystals Part Context

This part belongs to the CM309S series of quartz crystals from Citizen FineDevice. The series provides various frequency options in standardized surface mount packages. The CM309S25.175MABJT specifically addresses applications requiring precise timing at 25.175 MHz with robust surface mount reliability.

Crystals Replacement Considerations

Direct substitutes include CM309S-25.175MABJ-UT and CM309S25.175MABJ-UT. These parts share identical electrical parameters and mechanical dimensions. Verify pinout compatibility and soldering profiles before implementation.