The DRD3120B55 is a Rectifier Diode Disc in a B package. Key specifications include: VRRM (V): 5500, IF (AV) at TC = 100° (A): 3120, IFSM at Tvj VR=0: 51.7, I2t at Tvj VR = 0 (MA2s): 13.36, Rth(j-c) (°C/kW): 9. Contact us for availability and pricing.