F503__ 18 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 rast Fieco very 175 Amperes Average 1400 Volts H DIA. HOLE MARKING 1.055 / 26.80 MM ACROSS FLATS R502__18/R503__ 18 Fast Recovery Rectifier 175 Amperes Average, 1400 Volts A do -375-24 UNF - 2A THD. CASE NUMBER R50 STRIKE DISTANCE = .64 INCH / 16.2 MM MIN. NOMINAL DIMENSIONS CREEPAGE DISTANCE = .64 INCH / 16.2 MM MIN. SYM. A B c o E E G H J K INCHES 63 34 -38 1.58 89 4.48 63 2@l | ----- [----- MM 16.0 a6 24.9 40.1 22.6 | 113.8 16.0 714 [----- | -- ++ ALL DIMENSIONS ARE REFERENCE Features: . 502__18/R503__ 18 (Outline Drawing) [] Fast Recovery Times [] Soft Recovery Characteristics ( Standard and Reverse Polarities [] Flag Lead and Stud Top Ordering Information: . Terminals Available Select the complete part number you desire from the following table: CO High Surge Current Ratings Recovery . . Voltage Current Time Leads L] High Rated Blocking Voltages VRRM IF(av) br CL] Special Electrical Selection for Type (Volts) Code (A) Code (usec) Code Case Code Parallel and Series Operation R502 200 02 175 18 15 FS DO-8 WA . . (Standard 400 04 [] Glazed Ceramic Seal Gives Polarity) 600 06 High Voltage Creepage and 800 08 Strike Paths R503 1000 10 (Reverse 1200 12 Applications: Polarity) 1400 14 [] Inverters Example: Type R502 rated at 175A average with Vary = 1400V, L] Choppers Recovery Time = 1.5 jisec and standard flexible lead, order as: : . Type Voltage Current Time Leads C Transmitters R|5 (0 |2 [1 4) 1 8 FS wiiiaA L] Free Wheeling Diode F-7 POOWMEREX 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 AS502__18/F503__ 18 Fast Recovery Rectifier 175 Amperes Average, 1400 Volts Absolute Maximum Ratings Characteristics Symbol R502_ _18/R503__18 Units RMS Forward Current IF (rms) 275 Amperes Average Forward Current lF(av) 175 Amperes One-half Cycle Surge Current leEsm 3500 Amperes it (for Fusing), Times = 8.3 milliseconds 1t 51000 A2sec Storage Temperature Tstg -40 to +190 C Operating Temperature qj ~40 to +150 C Mounting Torque (Lubricated) 120 in-Ib Electrical and Thermal Characteristics Characteristics Symbol Test Conditions R502_ _18/R503__18 Units Current - Conducting State Maximums Forward Voltage Drop Vem T; = 25C, Ip = 470A 1.65 Volts Voltage - Blocking State Maximums Repetitive Peak Reverse Voltage (Rated Limit) VRRM 1400 Volts Non-rep. Trans. Peak Rev. Voltage (Rated Limit) Vas V <5.0msec 1600 Volts Reverse Leakage Current, mA peak IRRM Tj at max., VRRM = Rated 45 mA Switching Maximum Reverse Recovery Time ter ley = 314A, tp = 40sec, 1.5 psec dip/dt = 25A/usec, To = 25C Thermal Maximum Resistance, Junction to Case Re(j-c) 0.28 C/Watt Maximum Resistance, Case to Sink (Lubricated) Reyc-s) 0.12 C/Watt F-8 _ Reverse Recovery Charge, Orr, 1 Coul 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 R502__ 18/R503__ 18 Fast Recovery Rectifier 175 Amperes Average, 1400 Volts Reverse Recovery Wave Form ae dis J at direc dt tar=tatto titts Famiaecs Oar = ( an ) x Tamme: divaecy = bamnecs at te Typical Reverse Recovery Charge Vs. Rate of Current Turn Off 000 RSO2 _ 18 R503 _ 18 } 10 100 Rate of Current Fall, dia/dt, A/us Reverse Recovery Time, tra, uS Ratio of Current Recovery, '/s, direc)/dt/dir/dt Typical Ratio of Current Recovery to Rate of Current Fall ASO2 _ 18 A603 __ 18 a) 10 100 1000 Rate of Current Fall, din/dt, A/us Typical Reverse Recovery Time Vs. Rate of Current Fall 1 10 100 1000 Rate of Current Fall, dia/dt, A/us POMEREX 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 R502__18/R503__18 Fast Recovery Rectifier 175 Amperes Average, 1400 Volts Forward Current Vs. Forward Voltage Drop Transient Thermal Impedance Vs. Time Forward Current, Iu, Peak Amperes Thermal Impedance Junction to Case, Z wen, C/Watt o 1 2 3 4 5 001 1 Forward Voltage Drop, Vm, Volts Time, t, Seconds Energy Loss Per Pulse for Sinusoidal Pulses Calculation of Fast Recovery Diodes 10 and Allowable Case Temperature 3-1 1. Conduction Losses 1 Pavicond) = J/P x F n : 3 2, Reverse Recovery Losses (Approximate) 3 d Paview) = 1/4 X VQ x Gx Tr? x ( 1s Px F x 1x106 a at 1+ ts ma 2 ot 3. Maximum Allowable Case Temperature a Tomax) = T; - (Pav(cona) + Pavisw) x Rag-cy) & T= 150C Where: 2 00 Payeond) = Forward Conduction Power Loss in Watts Ww ; _ : 10 100 1000 10,000 Paysw) = Reverse Recovery Power Loss in Watts Pulse Width, usec J/P = Energy Loss per Pulse in Joules , F = Frequency in Hertz Va = Steady State Reverse Operating Voltage in Volts dip/dt = Rate of Decay of Forward Current in Amperes/usec Tr = Reverse Recovery Time in Microseconds Jt = Ratio of Recovery di/dt (-cietat | s dip/dt F = Operating Frequency in Hertz Toimax) = Maximum Allowable Case Temperature in C. T; = Maximum Operating Junction Temperature in C. Reg.) | = DC Junction to Case Thermal Impedance in C/Watt. can