RBS8__45XX GENERAL PURPOSE RECTIFIER DIODE Powerex, Inc., 173 Pavilion Ln, Youngwood, PA 15697-1800 (724)925-7272 www.pwrx.com 4500 Amperes 3200 Volts Powerex General Purpose Rectifier Diodes are designed with high locking voltage capability and low forward voltage drop to minimize conduction losses. These are packaged in hermetic, ceramic Pow-R-Disc packages which can be mounted using commercially available clamps and heatsinks or fully assembled to a variety of air or water cooled heat exchangers. FEATURES: Low On-State Voltage Hermetic Ceramic Package Excellent Surge and I2t Ratings APPLICATIONS: DC Power Supplies ORDERING INFORMATION Select the complete 10 digit Part Number using the table below. EXAMPLE: RBS83245XX is a 3200V-4500A General Purpose Diode with a typical reverse recovery time of 25s. Voltage Voltage Current Current Reverse Lead PART Rating Code Rating Code Recovery Code Itavg tRR VDRM-VRRM RBS8 3200V 3000V 2600V 2400V 2200V 32 30 26 24 22 4500A 45 XX 25s typical Revised: Page 1 6/8/2009 RBS8__45XX GENERAL PURPOSE RECTIFIER DIODE Powerex, Inc., 173 Pavilion Ln, Youngwood, PA 15697-1800 (724)925-7272 www.pwrx.com 4500 Amperes 3200 Volts Absolute Maximum Ratings Characteristic Symbol Rating Units Repetitive Peak Reverse Voltage VRRM 3200 Volts Non-repetitive Transient Peak Reverse Voltage VRSM VRRM + 100 Volts Average On-State Current, TC=94C IF(Avg.) 4500 A RMS On-State Current, TC=94C IF(RMS) 7069 A IFSM 67,500 A I2t 1.90E+07 IFSM 62,438 I2t 1.95E+07 Peak 3 Cycle Surge Current, 60Hz, VR=0V IFSM 76,950 A Peak 10 Cycle Surge Current, 60Hz, VR=0V IFSM 61,763 A Tj -40 to+175 C TStg. -50 to+200 C 2.5 25 lb 1.13 Kg 6,000 - 10,000 lbs Peak One Cycle Surge Current, 60Hz, VR=VRRM Fuse Coordination I2t, 60Hz Peak One Cycle Surge Current, 50Hz, VR=0V Fuse Coordination I2t, 50Hz Operating Temperature Storage Temperature A Approximate i t Weight W i ht Mounting Force 26.6 - 44.4 Information presented is based upon manufacturers testing and projected capabilities. This information is subject to change without notice. The manufacturer makes no claim as to suitability for use, reliability, capability or future availability of this product. Page 2 A2s A A2s Knewtons RBS8__45XX GENERAL PURPOSE RECTIFIER DIODE 4500 Amperes 3200 Volts Powerex, Inc., 173 Pavilion Ln, Youngwood, PA 15697-1800 (724)925-7272 www.pwrx.com Electrical Characteristics, Tj=25C unless otherwise specified Rating Characteristic Repetitive Peak Reverse Leakage Current Symbol Test Conditions min typ max Units IRRM Tj=175C, VRRM=Rated 125 ma Peak On-State Voltage VFM Tj=175C, IFM=2000A 1.00 V VFM Model, Low Level VFM = VO + r*IFM V0 Tj=175C 15% IFM - *IFM 0.786 V 9.97E-05 VFM Model, High Level VFM = VO + r*IFM V0 Tj=175C 0.972 V 8.63E-05 VFM Model, 4-Term A Tj=175C 0.510 B 15%IFM - IFSM 3.10E-02 VFM= A + B*Ln(IFM) + C*(IFM) + D*(IFM) 1/2 Reverse Recovery Time r r *IFM - IFSM C 8.00E-05 D 2.00E-03 tRR Tj=25C, IFM=1500A 25 s diR/dt = 25 A/s Thermal Characteristics Characteristic Thermal Resistance Test Conditions min Rating typ max Units Junction to Case Rjc Double side cooled 0.0085 0.0095 C/Watt Case to Sink Rcs Double side cooled 0.0015 0.002 C/Watt Zjc Double side cooled Thermal Impedance Model Zjc(t) = Symbol (A(N)*(1-exp(-t/Tau(N)))) N= where: 1 A(N) = 5.22E-05 Tau(N) = 2.65E-06 Page 3 2 3 4 1.19E-03 2.91E-03 5.35E-03 3.43E-02 2.74E-01 2.03E+00 RBS8__45XX GENERAL PURPOSE RECTIFIER DIODE 4500 Amperes 3200 Volts Powerex, Inc., 173 Pavilion Ln, Youngwood, PA 15697-1800 (724)925-7272 www.pwrx.com MAXIMUM TRANSIENT THERMAL IMPEDANCE Maximum On-State Voltage Drop 3.00 VFM (V) 2.50 2.00 1.50 1.00 0.50 0.00 100 1000 10000 100000 IFM (A) 1.0E-02 9.0E-03 8.0E-03 7.0E-03 6.0E-03 5.0E-03 4.0E-03 3.0E-03 2.0E-03 1.0E-03 0.0E+00 Thermal Impedance (C/Watt) Tj = 200C 0.01 Sinusoidal Waveform 180 180 160 CONDUCTION ANGLE Tc (C) (Watts) Pavg 120 90 60 CONDUCTION ANGLE 140 0 0 180 60 90 360 80 2000 4000 Iavg 0 6000 1000 2000 Iavg (A) Maximum On-State Power Dissipation 180 360 120 100 0 3000 120 180 4000 5000 (A) Maximum Allowable Case Temperature Square Waveform Square Waveform 180 12000 8000 60 90 120 360 180 CONDUCTION ANGLE 160 Tc (C) 10000 (Watts) 10 Maximum Allowable Case Temperature Sinusoidal 6000 CONDUCTION ANGLE Pavg 1 Time (sec) Maximum On-State Power Dissipation 9000 8000 7000 6000 5000 4000 3000 2000 1000 0 0.1 4000 140 0 0 180 60 360 0 90 120 180 80 0 2000 4000 Iavg 6000 8000 0 (A) 2000 4000 Iavg Page 4 360 120 100 2000 180 360 6000 (A) 8000