SM91502ALA-E

Pulse Transformers Overview

The SM91502ALA-E is a BMS transformer and common-mode choke by Bourns Inc., designed for automotive applications. It features a single-channel, 6-pin surface mount package with dimensions of 7.62 mm length, 6.73 mm width, and 5.72 mm height. The component operates within a temperature range of -40°C to +125°C and holds AEC-Q200 qualification. Key electrical parameters include an inductance of 150µH, a turns ratio of 1:1, and an operating voltage of 1000 VDC. High voltage testing supports up to 4300 VDC.

Pulse Transformers Feature Summary

• Combines pulse transformer and common-mode choke functionality in a single channel
• AEC-Q200 qualified for automotive reliability standards
• Compact surface mount design optimized for battery management systems

Pulse Transformers Applications

• Automotive Battery Management Systems (BMS)
• High-voltage signal isolation in electric vehicles
• Common-mode noise suppression in power circuits

Pulse Transformers Procurement Notes

Verify the specific suffix 'E' against official Bourns documentation to confirm compliance with RoHS3 directives and lead-free specifications. Ensure the selected variant matches the required inductance tolerance and thermal rating for the target application environment. Cross-reference the datasheet revision date to guarantee compatibility with current manufacturing standards.

Pulse Transformers Selection Notes

Select this component when a combined pulse transformer and CMC solution is required for space-constrained automotive designs. The 150µH inductance and 1:1 ratio suit standard isolation needs. Confirm that the 1000V operating voltage meets system requirements. The AEC-Q200 certification ensures suitability for rigorous automotive environments compared to commercial-grade alternatives.

Pulse Transformers Part Context

This part belongs to the SM series of BMS transformers from Bourns. It serves as a specialized component for high-reliability automotive electronics, specifically addressing the need for integrated signal conditioning and noise filtering in battery monitoring circuits. The series is engineered to meet strict automotive quality and performance benchmarks.

Pulse Transformers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Consult Bourns official documentation or authorized distributors for validated cross-reference data before implementation.