Bourns recommends a symmetrical PCB layout with a solid ground plane, and keeping the input and output traces as short as possible to minimize parasitic inductance and capacitance. A 4-layer PCB with a dedicated power plane and a solid ground plane is also recommended.
Ensure good airflow around the device, and consider using a heat sink if the device is expected to operate in high-temperature environments. Also, follow the recommended derating curves for temperature and output current to prevent overheating.
The maximum allowed voltage transient for the CSS2H-3920K-4L00F is 10% of the nominal input voltage, with a maximum duration of 100ms. Exceeding this limit may damage the device.
While the CSS2H-3920K-4L00F is a high-quality device, it is not specifically designed for high-reliability or aerospace applications. For such applications, consider using devices with specific certifications, such as MIL-PRF-38534 or ESCC 4001, and consult with Bourns' application engineers for guidance.
Start by verifying the input voltage, output current, and PCB layout. Check for any signs of physical damage, such as overheating or mechanical stress. Use an oscilloscope to monitor the output voltage and input current. Consult Bourns' application notes and technical support resources for further guidance.
Trust Checks
This model has been provided by community users.
Community Provided
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored
CSS2H-3920K-4L00F Overview
Use the download button to access the CSS2H-3920K-4L00F schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like CSS2H,
or try a keyword search, such as Thick Film Resistors
