SM91536AL-E

Pulse Transformers Overview

The Bourns SM91536AL-E is an automotive-grade Battery Management System (BMS) transformer designed for surface mount applications. It features a 1:1 turns ratio and operates within a temperature range of -40°C to +125°C. The component provides high-potential isolation of 3.0 kVAC and supports working voltages up to 1000 VDC. Key electrical parameters include an inductance of 450 µH and a DC resistance of 0.45 ohms. The physical dimensions are 13.4 mm in length, 10.4 mm in width, and 8.4 mm in height.

Pulse Transformers Feature Summary

• Complies with AEC-Q200 standards for automotive reliability
• Provides 3.0 kVAC high-potential isolation capability
• Engineered specifically for battery management system architectures

Pulse Transformers Applications

• Battery Management Systems (BMS)
• Energy Storage Systems (ESS)
• Automotive electronics requiring signal isolation

Pulse Transformers Procurement Notes

Verify that the specific part number matches the required automotive grade specifications and RoHS compliance status before procurement. Confirm that the supplier documentation explicitly references the AEC-Q200 standard and the correct datasheet version. Ensure the ordering suffix aligns with the intended packaging format and that all technical parameters meet the design requirements.

Pulse Transformers Selection Notes

Select this component when designing systems requiring isolated signal transmission between battery cells or modules. The 1:1 ratio and compact SMD footprint make it suitable for space-constrained automotive PCB layouts. Ensure the operating voltage does not exceed the 1000 VDC limit and that the thermal environment remains within the specified -40°C to +125°C range.

Pulse Transformers Part Context

This transformer belongs to the SM91536AL series from Bourns, which specializes in magnetic components for power conversion and isolation. The series is tailored for high-reliability environments, particularly those demanding strict adherence to automotive quality standards. It serves as a critical interface element for monitoring and control signals in high-voltage battery packs.

Pulse Transformers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Engineers should consult official manufacturer channels for cross-reference data or equivalent component recommendations based on specific circuit requirements.