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Datasheet File OCR Text: |
ANSALDO Ansaldo Trasporti s.p.a. Unita' Semiconduttori Via N. Lorenzi 8 - I 16152 GENOVA - ITALY Tel. int. +39/(0)10 6556549 - (0)10 6556488 Fax Int. +39/(0)10 6442510 Tx 270318 ANSUSE I - FAST RECOVERY DIODE ARF675 Repetitive voltage up to Mean forward current Surge current 4500 V 1085 A 15 kA FINAL SPECIFICATION feb 97 - ISSUE : 03 Symbol Characteristic Conditions Tj [C] Value Unit BLOCKING V RRM V RSM I RRM Repetitive peak reverse voltage Non-repetitive peak reverse voltage Repetitive peak reverse current V=VRRM 125 125 125 4500 4600 80 V V mA CONDUCTING I I I F (AV) Mean forward current Mean forward current Surge forward current I t Forward voltage Threshold voltage Forward slope resistance 180 sin ,50 Hz, Th=55C, double side cooled 180 square,50 Hz,Th=55C,double side cooled Sine wave, 10 ms reapplied reverse voltage up to 50% VRSM 125 1085 1090 15 1125 x1E3 A A kA As V V mohm F (AV) FSM I t V FM V F(TO) r F Forward current = 1570 A 25 125 125 3.4 1.70 0.700 SWITCHING t rr Q rr I rr s V FR Reverse recovery time Reverse recovery charge Peak reverse recovery current Softness (s-factor), min Peak forward recovery di/dt= 400 A/s 125 I F = 1000 A di/dt= VR = 250 A/s 100 V 600 0.5 38 V A 125 5.6 1700 s C MOUNTING R th(j-h) T F j Thermal impedance Operating junction temperature Mounting force Mass Junction to heatsink, double side cooled 18 -30 / 125 22.0 / 24.5 300 C/kW C kN g ORDERING INFORMATION : ARF675 S 45 standard specification VRRM/100 ARF675 FAST RECOVERY DIODE FINAL SPECIFICATION feb 97 - ISSUE : 03 ANSALDO DISSIPATION CHARACTERISTICS SQUARE WAVE 4000 DC 3500 3000 Power Dissipation [W] 60 90 120 180 DC 2500 30 2000 1500 1000 500 0 0 200 400 600 800 1000 1200 1400 1600 Mean Forward Current [A] SINE WAVE 4000 180 3500 Power Dissipation [W] 3000 120 90 DC 2500 30 60 2000 1500 1000 500 0 0 200 400 600 800 1000 1200 1400 1600 Mean Forward Current [A] ARF675 FAST RECOVERY DIODE FINAL SPECIFICATION feb 97 - ISSUE : 03 ANSALDO SWITCHING CHARACTERISTICS FORWARD RECOVERY VOLTAGE 70 60 Tj = 125 C 50 VFR [V] 40 30 Tj = 25 C IF VFR 20 VF 10 0 0 200 400 600 di/dt [A/s] 800 1000 1200 REVERSE RECOVERY CHARGE Tj = 125 C REVERSE RECOVERY CURRENT Tj = 125 C 2000 1800 1600 1400 Qrr [C] 1200 1000 800 600 400 200 0 0 100 200 di/dt [A/s] 300 1000 A 750 700 650 600 550 500 1000 A 500 A 250 A 500 A 250 A 450 Irr [A] 400 350 300 250 200 150 100 50 0 400 0 100 200 di/dt [A/s] 300 400 ta = Irr / (di/dt) tb = trr - ta IF d i/d t ta tb Softness (s factor) s = tb / ta Energy dissipation during recovery Er = Vr * (Qrr - Irr *ta / 2 ) Irr Vr ARF675 FAST RECOVERY DIODE FINAL SPECIFICATION feb 97 - ISSUE : 03 ANSALDO FORWARD CHARACTERISTIC Tj = 125 C SURGE CHARACTERISTIC Tj = 125 C 3500 3000 Forward Current [A] 2500 2000 1500 1000 500 0 0.6 1.6 2.6 3.6 4.6 Forward Voltage [V] ITSM [kA] 16 14 12 10 8 6 4 2 0 1 10 n cycles 100 TRANSIENT THERMAL IMPEDANCE DOUBLE SIDE COOLED 18.0 16.0 14.0 Zth j-h [C/kW] 12.0 10.0 8.0 6.0 4.0 2.0 0.0 0.001 0.01 0.1 t[s] 1 10 100 Distributed by All the characteristics given in this data sheet are guaranteed only with clamping force, cleaned and lubricated heatsink, surfaces with flatness < and roughness < 2 m. In the interest of product improvement ANSALDO reserves the right to any data given in this data sheet at any time without previous notice. If not stated otherwise the maximum value of ratings (simbols over background) and characteristics is reported. uniform .03 mm change shaded |
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