B82801C2245A200

Current Sense Transformers Overview

The B82801C2245A200 is a board-mount current transformer from the TDK B82801C series, designed for surface mount technology. It features an inductance of 22.4 mH and a turns ratio of 1:200. The component supports a rated current of 40 A with a secondary coil resistance of 2.9 Ohms. Its physical dimensions are 14.22 mm in length, 13.46 mm in width, and 10 mm in height. The device operates within a frequency range of 50 kHz to 500 kHz and has a voltage-time product (Et) of 496 V/us.

Current Sense Transformers Feature Summary

• Surface mount construction for automated PCB assembly
• High current handling capability up to 40 A
• Wide operating frequency range suitable for switching power applications

Current Sense Transformers Applications

• Current sensing in power control circuits
• Switching power supply feedback loops
• Industrial motor drive monitoring

Current Sense Transformers Procurement Notes

Verify the manufacturer part number against official TDK documentation to ensure authenticity. Confirm that the specific ordering suffix matches the required package type and tape/reel specifications. Check RoHS compliance status through the latest datasheet revision. Ensure storage conditions adhere to moisture sensitivity levels if applicable. Validate pinout compatibility with the target footprint design before procurement.

Current Sense Transformers Selection Notes

Select this component when high primary current measurement is required in a compact surface mount form factor. The 1:200 turns ratio provides appropriate signal scaling for downstream processing. Consider the 50 kHz to 500 kHz operational bandwidth for high-frequency switching environments. Evaluate thermal performance within the -40°C to +125°C range for robust industrial operation.

Current Sense Transformers Part Context

This part belongs to the EPCOS B82801C series of current sense transformers manufactured by TDK Electronics. These components are engineered for precise current monitoring in electronic systems. The series utilizes ferrite cores to achieve stable magnetic properties across varying temperatures and frequencies.

Current Sense Transformers Replacement Considerations

Consult official TDK cross-reference lists for verified substitutes. Ensure replacement parts match the 1:200 ratio, 22.4 mH inductance, and SMD package dimensions. Verify identical electrical ratings and thermal characteristics before substitution.