The SM91536AL-E is an automotive-grade Battery Management System (BMS) transformer designed for high-voltage applications. It features a 1:1 turns ratio, an open-circuit inductance of 150-450 µH, and a maximum DC resistance of 0.45 Ω. This component is rated for a working voltage up to 1000 VDC with a Hi-pot isolation of 3000 VAC, and it operates over a temperature range of -40 °C to +125 °C. Developed for use with NXP Model 33771C and Analog Device’s LTC6804/681X series, it is ideal for robust automotive BMS applications requiring reinforced insulation.