B82801A1185A150

Current Sense Transformers Overview

The B82801A1185A150 is a surface-mount current sense transformer from the TDK B82801A series. It features an inductance of 1840 uH and a turns ratio of 1:150. The primary winding resistance is 2.5 mOhm, while the secondary resistance is 22.7 Ohms. The component operates within a frequency range of 50 kHz to 1 MHz and has a voltage-time product (Et) of 43.2 us. Physical dimensions are 4.85 mm length, 4.5 mm width, and 3.5 mm height. It supports operating temperatures from -40 C to +125 C.

Current Sense Transformers Feature Summary

• Invasive current sensing design for precise signal isolation
• Surface mount construction optimized for automated PCB assembly
• High insulation capability between primary and secondary windings

Current Sense Transformers Applications

• Current monitoring in switching power supplies
• Overcurrent protection circuits
• Feedback control loops in DC-DC converters

Current Sense Transformers Procurement Notes

Verify that the specific ordering suffix matches the required tolerance and packaging configuration. Confirm RoHS compliance status through official documentation prior to integration. Ensure storage conditions maintain component integrity before soldering processes begin.

Current Sense Transformers Selection Notes

Select this component when invasive current measurement is required with high isolation standards. The 1:150 ratio suits applications needing scaled-down secondary signals. Verify thermal limits align with the intended operational environment constraints.

Current Sense Transformers Part Context

This part belongs to the B82801A series of current transformers designed for board-level mounting. It serves as a specialized passive component for electrical isolation and signal conditioning in modern electronic systems requiring reliable current detection.

Current Sense Transformers Replacement Considerations

Consult official substitution lists for compatible alternatives within the B82801 family. Verify pinout compatibility and electrical parameter equivalence before replacing the original component.