CDRCH12D78BNP-331MC

Arrays, Signal Transformers Overview

The CDRCH12D78BNP-331MC is a shielded power inductor from the Sumida CDRCH12D78B series. It features a ferrite core and surface mount construction with non-standard dimensions of 0.480 inches by 0.480 inches (12.20mm x 12.20mm). The component provides an inductance of 330 µH with a tolerance of ±20%. It is rated for a maximum current of 1.2 A and has a maximum DC resistance of 471 milliohms.

Arrays, Signal Transformers Feature Summary

• Magnetic shielding design to minimize electromagnetic interference
• Surface mount package for automated PCB assembly
• Ferrite core material for stable performance

Arrays, Signal Transformers Applications

• Power supply circuits
• DC-DC converter modules
• General purpose power filtering

Arrays, Signal Transformers Procurement Notes

Verify the manufacturer part number against official Sumida documentation to ensure accuracy. Confirm that the specific suffix matches the required electrical characteristics and physical dimensions. Check for RoHS compliance status if environmental regulations apply to your manufacturing process. Ensure the supplier source is authorized to guarantee component authenticity.

Arrays, Signal Transformers Selection Notes

Select this component when a compact, shielded inductor is required for power applications. The 330 µH value and 1.2 A rating suit moderate power levels. Consider the 471 milliohm DCR for efficiency calculations. Verify that the 12.20mm footprint fits within the available board space constraints.

Arrays, Signal Transformers Part Context

This part belongs to the CDRCH12D78B series of shielded power inductors manufactured by Sumida America Components Inc. The series is designed for surface mount technology applications requiring magnetic shielding. Similar parts in the lineup vary primarily in inductance values and current ratings while maintaining comparable physical footprints.

Arrays, Signal Transformers Replacement Considerations

Direct substitutes include other Sumida shielded power inductors with matching 330 µH inductance and similar current handling capabilities. Cross-referencing with equivalent components from other manufacturers requires verifying identical pinout, thermal performance, and saturation characteristics.