QRS1240T30 Fast Recovery Diode Module Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697-1800 (724) 925-7272 www.pwrx.com Description: Powerex Fast Recovery Diode Modules are designed for use in applications requiring fast switching. The modules are isolated for easy mounting with other components on a common heatsink. QRS1240T30 Fast Recovery Diode Module Features: Fast Recovery Time Isolated Mounting Metal Baseplate Low Thermal Impedance 3000 V isolating voltage Applications: Dimensions A B C D E F G H J K L M N Inches 3.70 1.34 1.18 3.15 0.50 0.28 0.67 1.81 0.91 M6X1.0 0.32 0.256 Dia. 0.47 Millimeters 94.0 34.0 30.0 80.0 12.7 7.0 17.0 46.0 23.0 M6X1.0 8.0 6.5 Dia. 12.0 Switching Power Supplies Inverters Choppers Welding Power Supplies Free Wheeling Diode High Frequency Rectifiers Revision Date: 03/23/2009 QRS1240T30 Fast Recovery Diode Module Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697-1800 (724) 925-7272 www.pwrx.com Absolute Maximum Ratings, TJ=25°C unless otherwise specified Characteristics Conditions Symbol QRS1240T30 Repetitive Peak Reverse Blocking Voltage - VRRM 1200 Volts Non-Repetitive Peak Reverse Blocking Voltage - VRSM VRRM + 100 Volts 180° Conduction, Tc=80°C IF(AV) Average Forward Current 180° Conduction, Tc=25°C Peak Half Cycle Non-Repetitive Surge Current Units 180 Amperes 263 Amperes t = 8.3mS, 100%VRRM Reapplied IFSM 3350 Amperes t = 8.3mS, 100%VRRM Reapplied It 2 46760 A sec - TJ -40 to 150 °C Storage Temperature - TSTG -40 to 150 °C Maximum Mounting Torque, M6 Mounting Screw - - 26 In.-lb. 2 I t for Fusing for One Cycle Operating Junction Temperature 2 Maximum Terminal Torque, M6 Terminal Screw - - 26 In.-lb. Module Weight (Typical) - - 220 Grams 60 Hz, circuit to base, all terminals shorted, t = 1 sec VRMS 3000 Volts V Isolation Thermal Characteristics, TJ=25°C unless otherwise specified Characteristics Min. Typ. Max. Units Thermal Resistance, Junction to Case Symbol RΘJC Per Diode - - 0.09 °C/Watt Thermal Resistance, Case to Sink Lubricated RΘCS Per Module - - 0.04 °C/Watt Electrical Characteristics, TJ=25°C unless otherwise specified Characteristics Symbol Test Conditions Min. Typ. Max Units Peak Reverse Leakage Current IRRM Rated VRRM - - 1 mA Peak On-State Voltage VFM IF=400A - - 3.5 Volts Reverse Recovery Time trr IF = 400A, di/dt = −800A/μs - - 250 ns Reverse Recovery Charge Qrr IF =400A, di/dt = −800A/μs - 2.97 - μC Revision Date: 03/23/2009 QRS1240T30 Fast Recovery Diode Module Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697-1800 (724) 925-7272 www.pwrx.com Maximum On-State Forward Voltage Drop Maximum Transient Thermal Impedance (Junction to Case) ( Tj = 150 °C ) 9.00 .09000 8.00 .08000 Thermal Impedance - Rjc - °C/W .10000 On-State Voltage - Vtm - Volts 10.00 7.00 6.00 5.00 4.00 3.00 2.00 1.00 .07000 .06000 .05000 .04000 .03000 .02000 .01000 0.00 10.0 100.0 1000.0 .00000 10000.0 .00010 .00100 .01000 .10000 Instantaneous On-State Current - Itm - Amperes Maximum On-State Power Dissipation 100.00000 (Sinusoidal Waveform) 1000 150 900 120° 180° 90° 800 Max. Case Temperature - Tcase - °C Maximum Power Dissipation Per SCR - Watts 10.00000 Maximum Allowable Case Temperature (Sinusoidal Waveform) 60° 700 15° 600 30° 500 400 300 200 0 180 360 CONDUCTION ANGLE 100 130 180 0 360 CONDUCTION ANGLE 110 90 70 180° 60° 50 15° 0 120° 90° 30° 30 0 50 100 150 200 250 0 50 Average On-State Current - It(av) - Amperes 100 150 200 250 Average On-State Current - It(av) - Amperes Maximum On-State Power Dissipation Maximum Allowable Case Temperature (Rectangular Waveform) (Rectangular Waveform) 1400 150 1200 Max. Case Temperature - Tcase - °C Maximum Power Dissipation Per SCR - Watts 1.00000 Time - t - Seconds 270° 360° 180° 1000 90° 120° 60° 800 15° 30° 600 400 200 0 180 130 0 70 50 30 0 0 0 50 100 150 200 250 300 Average On-State Current - It(av) - Amperes 350 360 90 60° 360 CONDUCTION ANGLE 180 CONDUCTION ANGLE 110 20 40 60 90° 120° 180° 270° 360°C 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 Average On-State Current - It(av) - Amperes Revision Date: 03/23/2009