SM91501AL-E

Pulse Transformers Overview

The Bourns SM91501AL-E is an automotive-grade pulse transformer designed for Battery Management System (BMS) applications. It features a single primary and single secondary winding configuration with a 1:1 turns ratio. The component provides an inductance of 150µH and supports a common mode voltage of 1600V. Measuring 14.81mm x 11.68mm x 5.00mm, it utilizes surface mount technology for PCB integration. The device operates within a temperature range of -40°C to +125°C and holds AEC-Q200 qualification.

Pulse Transformers Feature Summary

• AEC-Q200 qualified for automotive reliability standards
• Dual-channel design supporting BMS signal isolation
• Compact surface-mount footprint for space-constrained layouts

Pulse Transformers Applications

• Battery Management System signal isolation
• Automotive electronic control unit interfaces
• High-voltage battery monitoring circuits

Pulse Transformers Procurement Notes

Verify the specific suffix against official Bourns documentation to ensure correct insulation and packaging specifications. Confirm that the required inductance tolerance and frequency response align with the target circuit design before finalizing the order. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components.

Pulse Transformers Selection Notes

Select this component when high common-mode rejection and compact size are critical for automotive BMS designs. Ensure the operating temperature range meets the environmental requirements of the application. Consider the surface-mount package dimensions during PCB layout to maintain adequate clearance and creepage distances for the specified voltage ratings.

Pulse Transformers Part Context

This part belongs to the SM9150 series of BMS transformers from Bourns. These components are engineered specifically for electric vehicle and hybrid vehicle battery systems. The series emphasizes miniaturization while maintaining robust electrical isolation characteristics suitable for harsh automotive environments.

Pulse Transformers Replacement Considerations

Consult official Bourns substitution guides for compatible alternatives. Verify pinout compatibility and electrical parameters such as inductance and isolation voltage before substituting.