445I32J25M00000

Crystals Overview

The CTS-Frequency Controls 445I32J25M00000 is a parallel fundamental quartz crystal resonator designed for surface-mount applications. It operates at a nominal frequency of 25 MHz with a frequency tolerance of ±30 ppm and stability of ±50 ppm. The component features a load capacitance of 9 pF and an equivalent series resistance (ESR) of 40 Ohms. It utilizes an AT-cut resonator element and supports a maximum drive level of 10 µW. The device is housed in a compact 2-SMD, no-lead package measuring 5.00 mm x 3.20 mm with a maximum height of 0.85 mm. It is rated for operation within a temperature range of -40°C to +85°C.

Crystals Feature Summary

• AT-cut parallel fundamental quartz construction
• Compact 2-SMD no-lead surface mount footprint
• High frequency stability within specified temperature range

Crystals Applications

• Wireless infrastructure timing circuits
• Wireline core networking synchronization
• General purpose clock generation for embedded systems

Crystals Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to ensure compatibility with required load capacitance and tolerance specifications. Confirm that the 2-SMD package dimensions align with the target PCB layout constraints. Ensure the drive level requirements of the host circuit do not exceed the 10 µW maximum rating to prevent frequency instability or component damage during operation.

Crystals Selection Notes

Select this component when a 25 MHz reference with ±30 ppm initial tolerance is required for space-constrained designs. The 9 pF load capacitance must match the oscillator circuit design to achieve accurate frequency output. Consider the 40 Ohm ESR when evaluating oscillator loop gain margins. This part is suitable for industrial environments requiring operation down to -40°C.

Crystals Part Context

This component belongs to the CTS 445 series of surface-mount crystals. It serves as a passive frequency control element providing precise timing references. The series is engineered for high reliability in telecommunications and computing applications where stable oscillation is critical for data integrity and system synchronization.

Crystals Replacement Considerations

Direct substitutes include other 25 MHz SMD crystals from CTS with matching 9 pF load capacitance and similar package dimensions. Verify that alternative parts meet the same ±30 ppm tolerance and -40°C to +85°C operating temperature range requirements.