SM91803AL-E

The Bourns SM91803AL-E is a high-performance dual-channel Battery Management System (BMS) signal transformer designed for isolated communications in high-voltage battery applications. Featuring a 1:1 turns ratio, integrated isolation technology and a compact surface-mount package, it provides reliable signal transmission, excellent noise immunity and robust electrical isolation. Designed for automotive and industrial battery management systems, the transformer is AEC-Q200 qualified and supports operation across a wide temperature range, making it ideal for electric vehicles, energy storage systems and industrial power management applications.

• Ideal for electric vehicles, battery energy storage systems and industrial battery packs
• Designed for Battery Management System (BMS) communication and signal isolation applications
• Dual-channel transformer architecture supports reliable high-voltage battery monitoring systems
• 1:1 turns ratio ensures accurate signal coupling and data transmission
• High-isolation design provides enhanced protection in battery management networks
• Suitable for automotive, industrial and renewable energy storage applications
• AEC-Q200 qualified for demanding automotive environments
• Surface-mount package enables compact PCB layouts and automated assembly
• Provides excellent noise immunity and signal integrity in isolated communication circuits
• Supports modern battery monitoring and cell management architectures
• Operating temperature range for reliable performance in harsh environments