ANSALDO Ansaldo Trasporti s.p.a. Unita' Semiconduttori FAST RECOVERY DIODE 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 - ARF526 Repetitive voltage up to Mean forward current Surge current 1600 V 1345 A 20 kA TARGET SPECIFICATION feb 97 - ISSUE : 02 Symbol Characteristic Tj [°C] Conditions Value Unit BLOCKING V RRM Repetitive peak reverse voltage 125 1600 V V RSM Non-repetitive peak reverse voltage 125 1700 V I Repetitive peak reverse current 125 50 RRM V=VRRM mA CONDUCTING I F (AV) Mean forward current 180° sin ,50 Hz, Th=55°C, double side cooled 1345 A I F (AV) Mean forward current 180° square,50 Hz,Th=55°C,double side cooled 1350 A I FSM Surge forward current Sine wave, 10 ms reapplied reverse voltage up to 50% VRSM 20 kA 125 I² t I² t V FM Forward voltage V F(TO) Threshold voltage 125 1.00 V r Forward slope resistance 125 0.300 mohm F 2000 x1E3 Forward current =2000 A 125 1.6 A²s V SWITCHING t rr Reverse recovery time Q rr Reverse recovery charge I F = 1000 A di/dt= VR = 100 A/µs 125 3.5 µs 250 µC A 50 V I rr Peak reverse recovery current 145 s Softness (s-factor), min 0.5 V FR Peak forward recovery di/dt= 100 A/µs 125 15 V 26 °C/kW MOUNTING R th(j-h) Thermal impedance T Operating junction temperature -30 / 125 °C Mounting force 18.0 / 20.0 kN F j Junction to heatsink, double side cooled Mass 500 ORDERING INFORMATION : ARF526 S 16 standard specification VRRM/100 g ANSALDO ARF526 FAST RECOVERY DIODE TARGET SPECIFICATION feb 97 - ISSUE : 02 DISSIPATION CHARACTERISTICS SQUARE WAVE 3000 DC 2500 DC Power Dissipation [W] 180° 120° 2000 90° 60° 1500 30° 1000 500 0 0 200 400 600 800 1000 1200 1400 1600 1800 Mean Forward Current [A] SINE WAVE 3000 DC 2500 Power Dissipation [W] 180° 120° 2000 90° 60° 1500 30° 1000 500 0 0 500 1000 Mean Forward Current [A] 1500 2000 ANSALDO ARF526 FAST RECOVERY DIODE TARGET SPECIFICATION feb 97 - ISSUE : 02 SURGE CHARACTERISTIC Tj = 125 °C 4500 20 4000 18 3500 16 14 3000 ITSM [kA] Forward Current [A] FORWARD CHARACTERISTIC Tj = 125 °C 2500 2000 12 10 8 1500 6 1000 4 500 2 0 0 0.6 1.1 1.6 2.1 2.6 1 Forward Voltage [V] 10 n° cycles TRANSIENT THERMAL IMPEDANCE DOUBLE SIDE COOLED 30.0 25.0 Zth j-h [°C/kW] 20.0 15.0 10.0 5.0 0.0 0.001 0.01 0.1 1 10 100 t[s] 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 µm. 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 100