| lniernollonol 70/300U(R)..D SeriesIQR Reciiiiel Bulletin |2031 rev. B 06/06 Thermal and Mechanical Specifications I‘W Max. thermal resistance, case to heatsin ‘ Mounting surface, smooth, flat and greased Max.a||owedmountingtorque+0-20% A W‘ Approximateweighl j DO-205AB<D0>9> See0ut'ineTab'e ARthJC Conduction (T he following table shows the increment of thennal resistenoe Rwc when devices operate at different oonduction angles than DC) Conductionangle Sinusoidalconduotion Rectangularconduction Units T Ordering Information Table Device Code m U F R M A Y P D o 9 9 o e o 0 e 9 300 =Standard 300U device 70 = Standard 70U device 302 =300U Top Threaded version 72 =70UTop Threaded version U = Essential Part Number F = Flat Base (with Pinch Bolt) None = Normal Stud Base 3/4"-16UNF-2A R = Stud Reverse Polarity (Anode to Stud) None = Stud Normal Polarity (Cathode to Stud) Voltage Code: Code X 10 = VRRM (See Voltage Ratings table) A = Essential Part Number only for 3OOU Series None = 70U Series Y = European Lead None = Standard Lead P = Forward selection (1.045v < VFM < 1.125v, IFM D = Diffused diode= 470A, TJ = 25°C) www.irf.com 3 |