MITSUBISHI FAST RECOVERY DIODE MODULES RM20DA/CA/C1A-XXS MEDIUM POWER, HIGH FREQUENCY USE INSULATED TYPE RM20DA/CA/C1A-XXS * IDC * VRRM DC current .................................. 20A Repetitive peak reverse voltage ......................300/600V * trr Reverse recovery time ............. 0.4s * Insulated Type APPLICATION Free wheel use, Welder OUTLINE DRAWING & CIRCUIT DIAGRAM Dimensions in mm 53.5 43.3 16 C1A 36.5 14 18 5.3 CA DA R6 5.3 8 3-M4 33 3.5 22 LABEL 4.5 24 7 3.5 Feb.1999 MITSUBISHI FAST RECOVERY DIODE MODULES RM20DA/CA/C1A-XXS MEDIUM POWER, HIGH FREQUENCY USE INSULATED TYPE ABSOLUTE MAXIMUM RATINGS (Tj=25C, unless otherwise noted) Voltage class Parameter Symbol 6 12 Unit VRRM Repetitive peak reverse voltage 300 600 V VDRM Non-repetitive peak reverse voltage 360 720 V VR (DC) Reverse DC voltage 240 480 V Ratings Unit IDC DC current Resistive load, TC=93C 20 A IFSM Surge (non-repetitive) forward current One half cycle at 60Hz, peak value 400 A I2t I2t for fusing Value for one cycle of surge current 6.7x102 A2s Tj Junction temperature -40~+150 C Tstg Storage temperature -40~+125 C Viso Isolution voltage Parameter Symbol Conditions Charged part to case Main terminal screw M4 -- Mounting torque Mounting screw M5 -- Weight Typical value 2500 V 0.98~1.47 N*m 10~15 kg*cm 1.47~1.96 N*m 15~20 kg*cm 90 g ELECTRICAL CHARACTERISTICS Limits Symbol Parameter Test conditions Min. Typ. Max. Unit IRRM Repetitive reverse current Tj=150C, VRRM applied -- -- 10 VFM Forward voltage Tj=25C, IFM=20A, instantaneous meas. -- 1.6 1.8 V trr Reverse recovery time -- -- 0.2 s Qrr Reverse recovery charge -- -- 0.5 C trr Reverse recovery time -- -- 0.4 s Qrr Reverse recovery charge -- -- 1.5 C Rth (j-c) Thermal resistance Junction to case -- -- 1.2 C/ W Rth (c-f) Contact thermal resistance Case to fin, conductive grease applied -- -- 0.3 C/ W *1 6 class: VR=150V IFM=20A, di/dt=-50A/s, VR=150/300V*1, Tj=25C IFM=20A, di/dt=-50A/s, VR=150/300V*1, Tj=150C mA 12class: VR=300V Feb.1999 MITSUBISHI FAST RECOVERY DIODE MODULES RM20DA/CA/C1A-XXS MEDIUM POWER, HIGH FREQUENCY USE INSULATED TYPE PERFORMANCE CURVES 10 2 7 5 3 2 MAXIMUM TRANSIENT THERMAL IMPEDANCE (JUNCTION TO CASE) 10 0 2 3 4 5 710 1 2 3 4 5 2.0 Tj=25C 1.8 1.6 Zth (j-c) (C/W) 10 1 7 5 3 2 10 0 7 5 3 2 10 -1 0.2 1.4 1.2 1.0 0.8 0.6 0.4 1.0 1.8 3.4 2.6 0.2 0 10 -3 2 3 4 5 7 10 -2 2 3 4 5 710 -1 2 3 4 5 7 10 0 4.2 FORWARD VOLTAGE (V) TIME (s) ALLOWABLE SURGE (NON-REPETITIVE) FORWARD CURRENT REVERSE RECOVERY CHARACTERISTICS VS. FORWARD CURRENT (TYPICAL) 3 2 500 400 350 300 Irr (A) SURGE (NON-REPETITIVE) FORWARD CURRENT (A) 450 250 200 150 50 1 2 3 4 5 7 10 10 1 7 5 4 3 2 Qrr 10 0 7 5 4 3 10 0 100 0 3 VR=150/300V di/dt=-50A/s Tj=25C Tj=150C 20 30 40 50 70100 10 0 Irr trr 10 -1 2 3 4 5 7 10 1 trr (s), Qrr (C) FORWARD CURRENT (A) MAXIMUM FORWARD CHARACTERISTIC 3 2 3 4 5 7 10 2 FORWARD CURRENT (A) CONDUCTION TIME (CYCLES AT 60Hz) REVERSE RECOVERY CHARACTERISTICS VS. -di/dt (TYPICAL) 10 1 7 5 4 3 2 10 0 7 5 4 3 10 1 3 VR=150/300V IF=20A Irr Qrr 10 0 Qrr trr 10 -1 trr (s), Qrr (C) Irr (A) 3 2 Tj=25C Tj=150C 2 3 4 5 7 10 2 3 2 3 4 5 7 10 3 -di/dt (A/s) Feb.1999