Bourns SM91501ALO AEC-Q200 Compliant BMS Signal Transformers are dual-channel isolation transformer modules with common mode chokes for noise rejection in battery management system (BMS) applications. The Bourns SM91501ALO BMS Signal Transformers are UL recognized and AEC-Q200 compliant. The series offers a 1600VDC working voltage and a 4300VDC Hi-Pot isolation voltage. The transformers operate over a -40°C to +125°C temperature range.