POWMEREX 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 i [_~ F DIA. TYP. G DEEP TYP. B OIA. A pia. | p Fe _ 1 | CASE NUMBER RA2 STRIKE DISTANCE = .95 INCH 724.1 MM MIN. NOMINAL DIMENSIONS CREEPAGE DISTANCE = 1.82 INCH / 46,2 MM MIN. SYM. A 8 c 0 E F G H INCHES || 2.47 3.91 3.50 030 _{ 1.300/1.340 | .140 085 o-- aT 62.7 | 93.3 | 88.9 | 0.76 | 33.02734.04 | 3.56 2.16 MARKING [ CATHODE \ jg 0, I c DIA. + ANODE RA20 2500A General Purpose Rectifier 2500 Amperes Average 4200 Volts RA20 2500A (Outline Drawing) Ordering Information: Select the complete 8 digit part number you desire from the table - below. Typical Recovery Voltage Current Time VRRM iTtavy ter Type (Volts) (A) (usec) RA20 10 25 XX through 42 1000V 2500A 25usec through 4200V RA20 2500A General Purpose Rectifier 2500 Amperes Average, 4200 Volts Description: Powerex General Purpose Rectifiers are designed for high blocking voltage capability with low forward voltage to minimize conduction losses. These hermetic Pow-R-Disc devices can be mounted using commercially available clamps and heatsinks. Features: Low Forward Voltage Low Thermal Impedance Hermetic Packaging OOod Excellent Surge and I@t Ratings Applications: [] Power Supplies L] Motor Control [] Free Wheeling Diode [] Battery Chargers O Resistance Welding G-101Powerex, 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 RA20 2500A General Purpose Rectifier 2500 Amperes Average, 4200 Volts Absolute Maximum Ratings Characteristics Symbal RA20 2500A Units Non-repetitive Transient Peak Reverse Voltage VRSM Vrrn + 200V Volts RMS Forward Current, Tg = 100C lF(rms) 3920 Amperes Average Current 180 Sine Wave, Tc = 100C IF(av) 2500 Amperes RMS Forward Current, To = 55C IF (rms) 5810 Amperes Average Current 180 Sine Wave, Tg = 55C lF(av) 3700 Amperes Peak One Cycle Surge Forward Current (Non-repetitive) 60Hz lism 28000 Amperes Peak One Cycle Surge Forward Current (Non-repetitive) 50Hz lism 25500 Amperes 3 Cycle Surge Current lism | 22400 Amperes 10 Cycle Surge Current lism 17500 Amperes @t (for Fusing) for One Cycle, 60Hz 2 3.20 x 108 A@sec Maximum It of Package (t = 8.3 msec) it 125 x 108 A*sec Operating Temperature Tj -40 to +150C C Storage Temperature Tstq -40 to +200C C Approximate Weight 2.1 Ib. 950 9 Mounting Force 9000 to 11000 Ib. 4100 to 5000 kg. G-102Neen ee as 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 RA20 2500A General Purpose Rectifier 2500 Amperes Average, 4200 Volts Electrical Characteristics, Tj = 25C Unless Otherwise Specified Characteristics Symbol Test Conditions Min. Typ. Max. Units Peak Reverse Leakage Current IRRM Tj = 125C, VR = Vana 200 mA Forward Voltage Drop Vem lFM = 3000A, Duty Cycle < 0.1% 1.25 Volts Threshold Voltage, Low-level V(To)1 Tj = 150C, l= 15%, Tay) 0 tT (av) 0.74116 Volts Slope Resistance, Low-level 'T4 0.1320 moQ Threshold Voltage, High-level ViTO)2 Tj = 150C, | = mT (av) to Its 0.84047 = Volts Slope Resistance, High-level 'T2 0.1194 mQ Vm Coefficients, Low-level Tj = 150C, |= 15% Tav) to mT (av) Az = 0.49905 B, = 0.05116 Cy = 1.483E-04 D, = -0.00392 Vtm Coefficients, High-level Tj = 150C, | = alt(ay) to lrg Ap = -5.3652 Bo = 0.86841 Co = 1.378E-04 Do = -0.01944 Typical Reverse Recovery Time ter To = 25C, Irn = 1500A, 25 psec dip/dt = 25A/usec, tp= 190usec Thermal Characteristics Maximum Thermal Resistance, Double Sided Cooling Junction-to-Case Reij-c) 0.013 C/W Case-to-Sink Reec-s) 0.007 C/W G-103Powerex, 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 RA20 2500A General Purpose Rectifier 2500 Amperes Average, 4200 Volts Maximum On-State Forward Voltage Drop Maximum Transient Thermal Impedance ( Tj = 150C } (Junction to Case) 5 0.015 RA20-25 0.0125 me : 9 Ee Ar 0.01 = 3 3 / 3 0.0075 2 = Y = 0.005 B LT] = a E aa 0.0026 0 0 100 1000 10000 100000 6.0001 0.001 0.01 0.t 1 10 100 1000 Instantaneous On-State Current - ifm - Amperes Time - t - Seconds Maximum On-State Power Dissipation Maximum Allowable Case Temperature (Sinusoidal Waveform) (Sinusoidal Waveform) 9000 150 8000 9 140 Ph i 2 6000 @ 110 5000 = 100 4000 & 90 3000 e & g 70 2000 5 4000 = 50 0 40 180 0 400 800 1200 1600 2000 2400 2800 3200 3600 4000 4400 0 400 800 1200 1600 2000 2400 2800 3200 3600 4000 4400 Average On-State Current - If(av) - Amperes Average On-State Current - If(av) - Amperes Maximum On-State Power Dissipation Maximum Allowable Case Temperature (Rectangular Waveform) (Rectangular Waveform) 10000 IO) pa 180 . * 8000 12 Z g 60 / - 6000 [ LZ 4 g YY : 2 bom ea : g % f 2000 A = 180 360 5 0 Oa S\cONDUCTIDN ANGLE = 0 1000 2000 3000 4000 000 6000 7000 a 1000 2000 3000 4000 5000 6000 7000 Average On-State Current - If(av) - Amperes Average On-State Current - if{av) - Amperes G-104