POMEREX R722 _08 Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (412) 925-7272 Powerex, Europe, S.A. 428 Avenue G. Durand, BP107, 72003 Le Mans, France (43) 41.14.14 Fast Recovery Rectifier 800 Amperes Average 1600 Volts 1 MARKING be 8 | t c | |. __, DIA. FOIA. TY?, G DEER TYP CATHODE L | DIA res ee m oF ut CASE NUMBER R72 NOMINAL DIMENSIONS = Lavoe | STRIKE DISTANCE = .73 INCH / 18.5 MM MIN, CREEPAGE DISTANCE = 1.17 INCH / 29.7 MM MIN. SYM. A B INCHES |] 1.34 2.28 Cc Do E FE G H 2.05 030 | 1.020/1.060 140 O78 tt MM 34.0 57.9 $2.1 0.76 | 25.91/26.92 | 3.56 1.98 o Scale = R722_ _08 (Outline Drawing) Ordering Information: Select the complete part number you desire from the following table: Recovery Voltage Current Time Leads Varm lF(av) tre Type (Volts) Code (A) Code (usec) Code Case Code R722 400 04 800 08 2.0 ES R72 OO 600 06 800 08 1000 10 1200 12 1400 14 1600 16 Example: Type R722 rated at 800A average with Vern = 1600V, Recovery Time = 2.0 usec, order as: Type Voltage Current Time Leads R 7 | 2 | 2 1 6 | 0 8 ES o | 0 R722_ 08 Fast Recovery Rectifier 800 Amperes Average, 1600 Volts Features: Fast Recovery Times Soft Recovery Characteristics High Surge Current Ratings OOood Special Selection of tp, or Qrr Available Applications: (1) Inverters C] Choppers L] Transmitters [-] Free Wheeling Diode F-43LASMEREX Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (412) 925-7272 Powerex, Europe, S.A. 428 Avenue G. Durand, BP107, 72003 Le Mans, France (43) 41.14.14 R722__ 08 Fast Recovery Rectifier 800 Amperes Average, 1600 Volts Absolute Maximum Ratings Characteristics Symbol R722__08 Units RMS Forward Current lF(rms) 1250 Amperes Average Forward Current lF(av) 800 Amperes One-half Cycle Surge Current IFSM 11000 Amperes I@t (for Fusing), Times = 8.3 milliseconds 2 504000 A@sec Max. It Package (for Times = 8.3 milliseconds) 2 80 x 108 Asec Storage Temperature Tstg -40 to +190 ae Operating Temperature Tj -40 to +150 C Mounting Force 2000 to 2400 Ibs Electrical and Thermal Characteristics Characteristics Symbol Test Conditions R722__08 Units Current - Conducting State Maximums Forward Voltage Drop VEM ui = 25C, Ieng = 1500A 1.65 Volts Voltage - Blocking State Maximums Repetitive Peak Reverse Voltage (Rated Limit) VRRM 1600 Valts Non-rep. Trans. Peak Rev. Voltage (Rated Limit) Vpsiy t< 5.0msec 1800 Volts Reverse Leakage Current, mA peak IRRM Tj at max., VRAM = Rated 50 mA Switching Maximum Reverse Recovery Time ter leq = 1500A, to = 190usec, . 2.0 usec dip/dt = 25A/usec, Te = 25C Thermal Maximum Resistance, Junction to Case Rejj-c) 0.055 CMWatt Maximum Resistance, Case to Sink (Lubricated) Re(c-s) 0.020 CMWatt F-44Forward Current, lim, Peak Amperes POWEREX Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (412) 925-7272 Powerex, Europe, S.A. 428 Avenue G. Durand, BP107, 72003 Le Mans, France (43) 41.14.14 R722__08 Fast Recovery Rectifier 800 Amperes Average, 1600 Volts Forward Current Vs. Forward Voltage Drop 10 2.0 3.0 40 Forward Voltage Drop, Vm, Volts Reverse Recovery Wave Form af at tan=tatts - tatts Qme= (5 disnecs = Inawaccy dt th ote ) % Uanwnec: , diwnec, dt Trearec: Thermal Impedance Junction to Case, Z we, C/Watt Reverse Recovery Time, Tra, us Transient Thermal Impedance Vs. Time 001 01 1 1 10 100 Time, t, Seconds Typical Reverse Recovery Time Vs. Rate of Current Fall 1 1 000 Rate of Current Fall, dia/dt A/us F-45VASMEREX Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (412) 925-7272 Powerex, Europe, S.A. 428 Avenue G. Durand, BP107, 72003 Le Mans, France (43) 41.14.14 R722__08 Fast Recovery Rectifier 800 Amperes Average, 1600 Volts Typical Reverse Recovery Charge Vs. Rate of Current Fall Reverse Recovery Charge, Orr, 4 Coul 1 Rate of Current Fall, di. dt, A. us Energy Loss Per Pulse for Sinusoidal Pulses 01 Ts= 150C Energy Loss, J/P, Joules 001 1 1 Pulse Width, psec F-46 Ratio of Current Recovery, '/s, dinec)/dt/dir/dt Typical Ratio of Current Recovery to Rate of Current Fall 10 100 1000 Rate of Current Fall, die/dt, A/us Calculation of Fast Recovery Diodes and Allowable Case Temperature 1. Conduction Losses Pavicond) = /P x F . Reverse Recovery Losses (Approximate) Paviswy = 1/4 x Vp x Sax T,.? x (; vs? x F x 1x106 . Maximum Allowable Case Temperature Toimax = Tj - (Paycona) + Pavisw) X Roj-c)) Where: Paycond) = Forward Conduction Power Loss in Watts Paysw) = Reverse Recovery Power Loss in Watts J/P = Energy Loss per Pulse in Joules F = Frequency in Hertz Ver = Steady State Reverse Operating Voltage in Volts dip/dt = Rate of Decay of Forward Current in Amperes/usec Tre = Reverse Recovery Time in Microseconds an = Ratio of Recovery di/dt (ect S" dip/dt F = Operating Frequency in Hertz Tommay = Maximum Allowable Case Temperature in C T, = Maximum Operating Junction Temperature in C. Rey.cy = 9C Junction to Case Thermal Impedance in C/Watt.