GBU4B 70Vrms 100Vrrm 4ATypical Application50/60 Hz Mains Rectification,Power SuppliesCommercial grade Features:Four diodes in bridge configurationUL recognized, File E175067For free-standing or heatsink assemblyCompliant to RoHS, REACH,,Case material: UL 94V-0Solder & assembly conditions: 260°C/10s