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RBK8_ _40XX GENERAL PURPOSE RECTIFIER DIODE www.pwrx.com Powerex, Inc., 173 Pavilion Ln, Youngwood, PA 15697-1800 724 925-7272 4000 Amperes 4500 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.
Absolute Maximum Ratings Characteristic Symbol Rating Units Repetitive Peak Reverse Voltage VRRM 4500 Volts Average On-State Current, TC=80°C IF(Avg.) 4000 A RMS On-State Current, TC=80°C IF(RMS) 6283 A Average On-State Current, TC=55°C IF(Avg.) 4600 A RMS On-State Current, TC=55°C IF(RMS) 7226 A IFSM 53,700 A 2 It 1.20E+07 IFSM 65,514 2 It 1.79E+07 A2s Tj -40 to+175 °C TStg. -50 to+200 °C 2.5 lb 1.
Electrical Characteristics, Tj=25°C unless otherwise specified Rating Characteristic Repetitive Peak Reverse Leakage Current Symbol Test Conditions min typ max Units IRRM Tj=175°C, VRRM=Rated Peak On-State Voltage VFM VFM Model, Low Level VFM = VO + r•IFM V0 VFM Model, High Level VFM = VO + r•IFM V0 VFM Model, 4-Term A Tj=175°C 0.597 B 15%IFM - IFSM 0.0131 VFM= A + B•Ln(IFM) + ½ C•(IFM) + D•(IFM) Reverse Recovery Time r r 100 150 ma Tj=25°C, IFM=3000A 1.
MAXIMUM TRANSIENT THERMAL IMPEDANCE Maximum On-State Voltage Drop 5.00 1.4E-02 4.50 Tj = 175°C 3.50 3.00 2.50 2.00 1.50 1.00 0.50 1000 10000 1.2E-02 Thermal Impedance (°C/Watt) VFM (V) 4.00 100000 1.0E-02 8.0E-03 6.0E-03 4.0E-03 2.0E-03 0.0E+00 0.01 0.
