B82801C0145A050

Current Sense Transformers Overview

The B82801C0145A050 is a surface-mount current sense transformer manufactured by TDK Electronics. It features a turns ratio of 1:50 and operates within a frequency range of 50kHz to 500kHz. The primary side DC resistance is 0.28 milliohms, while the secondary side DC resistance is 400 milliohms. The component has an inductance of 1.4 mH. Its physical dimensions are 14.22mm in length, 13.46mm in width, with a maximum seated height of 10.00mm. The termination style is gull wing.

Current Sense Transformers Feature Summary

• Surface mount construction for automated assembly
• High isolation voltage capability between windings
• Compact footprint suitable for dense PCB layouts
• Gull wing terminations for secure board attachment

Current Sense Transformers Applications

• Current sensing in switch-mode power supplies
• Isolated gate drive circuits
• Overcurrent protection systems
• Feedback loops in isolated converters

Current Sense Transformers Procurement Notes

Verify the specific suffix A050 matches the required packaging format. Confirm RoHS compliance status if restricted materials are prohibited. Check moisture sensitivity level requirements for storage and handling procedures before reflow soldering. Ensure the manufacturer part number aligns with the design bill of materials.

Current Sense Transformers Selection Notes

Select this component when a 1:50 turns ratio is required for high-side or low-side current monitoring. The 1.4 mH primary inductance supports operation up to 500kHz. Consider the 14.22mm x 13.46mm footprint for available board space. Verify that the 0.28 milliohm primary resistance meets thermal dissipation constraints.

Current Sense Transformers Part Context

This part belongs to the B82801C series of SMT current sense transformers from TDK Electronics. These components are designed for isolated current measurement applications. The series offers various inductance and resistance combinations to suit different power levels and frequencies.

Current Sense Transformers Replacement Considerations

Consult official substitution lists for equivalent parts within the B82801C series. Verify pinout compatibility and electrical parameters such as inductance and resistance before replacing.