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| 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 ARF240 Repetitive voltage up to Mean forward current Surge current 2500 V 280 A 3 kA FINAL SPECIFICATION feb 97 - ISSUE : 04 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 150 150 150 2500 2600 50 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 150 280 285 3 45 x1E3 A A kA As V V mohm F (AV) FSM I t V FM V F(TO) r F Forward current = 1000 A 25 150 150 4.8 1.50 3.00 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 150 IF = di/dt = VR = 200 A 80 A/s 100 V 90 0.4 30 V A 150 2.0 90 s C MOUNTING R th(j-h) T F j Thermal impedance Operating junction temperature Mounting force Mass Junction to heatsink, double side cooled 95 -30 / 150 4.5 / 5.0 55 C/kW C kN g ORDERING INFORMATION : ARF240 S 25 standard specification VRRM/100 ARF240 FAST RECOVERY DIODE FINAL SPECIFICATION feb 97 - ISSUE : 04 ANSALDO DISSIPATION CHARACTERISTICS SQUARE WAVE 1200 1000 Power Dissipation [W] 120 60 90 DC 180 DC 800 30 600 400 200 0 0 50 100 150 200 250 300 350 400 Mean Forward Current [A] SINE WAVE 1000 180 900 120 DC 800 Power Dissipation [W] 700 30 60 90 600 500 400 300 200 100 0 0 50 100 150 200 250 300 350 400 Mean Forward Current [A] ARF240 FAST RECOVERY DIODE FINAL SPECIFICATION feb 97 - ISSUE : 04 ANSALDO SWITCHING CHARACTERISTICS FORWARD RECOVERY VOLTAGE 60 50 Tj = 150 C 40 VFR [V] 30 IF 20 VFR 10 VF 0 0 200 400 600 di/dt [A/s] 800 1000 1200 REVERSE RECOVERY CHARGE Tj = 150 C 180 250 A REVERSE RECOVERY CURRENT Tj = 150 C 300 250 A 160 250 140 120 Qrr [C] Irr [A] 0 100 200 di/dt [A/s] 300 400 100 80 60 40 50 20 0 0 0 100 200 di/dt [A/s] 300 400 200 150 100 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 ARF240 FAST RECOVERY DIODE FINAL SPECIFICATION feb 97 - ISSUE : 04 ANSALDO FORWARD CHARACTERISTIC Tj = 150 C SURGE CHARACTERISTIC Tj = 150 C 900 800 3 2.5 700 Forward Current [A] 600 500 400 300 200 0.5 100 0 0.6 1.6 2.6 Forward Voltage [V] 3.6 4.6 0 1 10 n cycles 100 ITSM [kA] TRANSIENT THERMAL IMPEDANCE DOUBLE SIDE COOLED 0.0 0.001 0.01 0.1 t[s] 1 10 100 2 1.5 1 100.0 90.0 80.0 70.0 Zth j-h [C/kW] 60.0 50.0 40.0 30.0 20.0 10.0 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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