ARF676 POSEICO | Alldatasheet
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FAST RECOVERY DIODE ARF676 Repetitive voltage up to 4800 V Mean forward current 1515 A Surge current 18 kA FINAL SPECIFICATION feb 97 - ISSUE : 03 Symbol Characteristic Conditions Tj [°C] Value Unit BLOCKING V RRM Repetitive peak reverse voltage 140 4800 V V RSM Non-repetitive peak reverse voltage 140 4900 V I RRM Repetitive peak reverse current V=VRRM 140 100 mA CONDUCTING I F (AV) Mean forward current 180° sin ,50 Hz, Th=55°C, double side cooled 1515 A I F (AV) Mean forward current 180° square,50 Hz,Th=55°C,double side cooled 1535 A I FSM Surge forward current Sine wave, 10 ms 140 18 kA I² t I² t reapplied reverse voltage up to 50% VRSM 1620 x1E3 A²s V FM Forward voltage Forward current =1570 A 25 2.4 V V F(TO) Threshold voltage 140 1.25 V r F Forward slope resistance 140 0.500 mohm SWITCHING t rr Reverse recovery time I F = 1000 A 6 µs Q rr Reverse recovery charge di/dt= 250 A/µs 140 2000 µC I rr Peak reverse recovery current VR = 100 V 800 A s Softness (s-factor), min 0.5 V FR Peak forward recovery di/dt= 400 A/µs 140 40 V MOUNTING R th(j-h) Thermal impedance Junction to heatsink, double side cooled 18 °C/kW T j Operating junction temperature -30 / 140 °C F Mounting force 22.0 / 24.5 kN Mass 300 g ORDERING INFORMATION : ARF676 S 48 standard specification VRRM/100 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 - ANSALDO Ansaldo Trasporti s.p.a. Unita' Semiconduttori
ARF676 FAST RECOVERY DIODE FINAL SPECIFICATION feb 97 - ISSUE : 03 DISSIPATION CHARACTERISTICS SQUARE WAVE DC SINE WAVE DC DC 180° 120°90° 60° 30° 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 0 500 1000 1500 2000 2500 Mean Forward Current [A] Power Dissipation [W] ANSALDO 180° 120° 90° 60° 30° 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 0 500 1000 1500 2000 2500 Mean Forward Current [A] Power Dissipation [W]
ARF676 FAST RECOVERY DIODE FINAL SPECIFICATION feb 97 - ISSUE : 03 SWITCHING CHARACTERISTICS ANSALDO REVERSE RECOVERY CHARGE Tj = 140 °C 500 1000 1500 2000 2500 0 100 200 300 400 di/dt [A/µs] Qrr [µC] 250 A 500 A 1000 A REVERSE RECOVERY CURRENT Tj = 140 °C 200 400 600 800 1000 0 100 200 300 400 di/dt [A/µs] Irr [A] 250 A 1000 A 500 A FORWARD RECOVERY VOLTAGE 0 200 400 600 800 1000 1200 di/dt [A/µs] VFR [V] Tj = 140 °C Tj = 25 °C IF VFR VF ta ta = Irr / (di/dt) tb = trr - ta Softness (s factor) s = tb / ta Energy dissipation during recovery Er = Vr · (Qrr - Irr ·ta / 2 ) Irr Vr tb IF d i/d t
ARF676 FAST RECOVERY DIODE FINAL SPECIFICATION feb 97 - ISSUE : 03 Distributed by FORWARD CHARACTERISTIC Tj = 140 °C 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 0.6 1.6 2.6 3.6 Forward Voltage [V] Forward Current [A] TRANSIENT THERMAL IMPEDANCE DOUBLE SIDE COOLED 0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0 0.001 0.01 0.1 1 10 100 t[s] Zth j-h [°C/kW] SURGE CHARACTERISTIC Tj = 140 °C 1 10 100 n° cycles ITSM [kA] All the characteristics given in this data sheet are guaranteed only with uniform clamping force, cleaned and lubricated heatsink, surfaces with flatness < .03 mm and roughness < 2 µm. In the interest of product improvement ANSALDO reserves the right to change any data given in this data sheet at any time without previous notice. If not stated otherwise the maximum value of ratings (simbols over shaded background) and characteristics is reported. ANSALDO