POSEICO SPA Via Pillea 42-44, 16153 Genova - ITALY Tel. + 39 010 8599400 - Fax + 39 010 8682006 Sales Office: Tel. + 39 010 8599400 - [email protected] ARF774 FAST RECOVERY DIODE Repetitive voltage up to Mean forward current Surge current 4500 V 2327 A 26 kA FINAL SPECIFICATION June 17 - Issue: 5 Symbol Characteristic Tj [°C] Conditions Value Unit BLOCKING V RRM Repetitive peak reverse voltage 125 4500 V V RSM Non-repetitive peak reverse voltage 125 4600 V I RRM Repetitive peak reverse current 125 150 mA V=VRRM CONDUCTING I F (AV) Mean forward current 180° sin, 50 Hz, Th=55°C, double side cooled 2327 A I F (AV) Mean forward current 180°square, 50 Hz, Th=55°C, double side cooled 2340 A I FSM Surge forward current Sine wave, 10 ms riappled reverse voltage up to 50% VRSM 125 26 kA 3 3380 x 10 I² t I² t V FM Forward voltage V F(TO) r F Forward current = 2000 A A²s 25 1,80 V Threshold voltage 125 1,30 V Forward slope resistance 125 0,250 mohm SWITCHING t rr Reverse recovery time Q rr Reverse recovery charge I rr Peak reverse recovery current s Softness (s-factor), min V FR Peak forward recovery IF= 1000A di/dt= 60 A/µs 125 VR= 50V 8,6 µs 1500 µC 350 A 0,5 di/dt = 400 A/µs 150 31 V MOUNTING R th(j-h) Thermal impedance, DC Junction to heatsink, double side cooled R th(c-h) Thermal impedance Case to heatsink, double side cooled T j Operating junction temperature F 11,0 °C/kW 2,0 °C/kW -30 / 125 °C Mounting force 46.0 / 54.0 kN Mass 1700 ORDERING INFORMATION : ARF774 S 45 standard specification VRRM/100 g ARF774 FAST RECOVERY DIODE FINAL SPECIFICATION June 17 - Issue: 5 DISSIPATION CHARACTERISTICS SQUARE WAVE (50Hz) PF(AV) [W] 7000 DC 180° 6000 90° 120° 60° 5000 30° 4000 3000 2000 1000 0 0 500 1000 1500 2000 2500 3000 3500 IF(AV) [A] SINE WAVE (50Hz) PF(AV) [W] 7000 120° 6000 180° 90° 60° 30° 5000 4000 3000 2000 1000 0 0 500 1000 1500 IF(AV) [A] 2000 2500 3000 3500 ARF774 FAST RECOVERY DIODE FINAL SPECIFICATION June 17 - Issue: 5 FORWARD RECOVERY VOLTAGE 60 Tj = 125 °C 50 VFR [V] 40 Tj=25°C 30 IF VFR 20 VF 10 0 0 200 400 600 800 1000 1200 di/dt [A/µs] REVERSE RECOVERY CURRENT Tj = 140 °C REVERSE RECOVERY CHARGE Tj = 140 °C 3000 1200 1000 A 1100 1000 A 2500 500 A 1000 2000 900 500 A 250A 1500 250 A Irr [A] Qrr [µC] 800 700 600 500 1000 400 500 300 200 0 100 0 100 200 300 di/dt [A/µs] 400 0 0 100 200 300 400 di/dt [A/µs] 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 ARF774 FAST RECOVERY DIODE FINAL SPECIFICATION June 17 - Issue: 5 FORWARD CHARACTERISTIC Tj = 125 °C SURGE CHARACTERISTIC Tj = 125 °C 8000 30 7000 25 20 5000 ITSM [kA] Forward Current [A] 6000 4000 3000 15 10 2000 5 1000 0 0 0 1 2 3 4 1 Forward Voltage [V] 10 n° cycles TRANSIENT THERMAL IMPEDANCE DOUBLE SIDE COOLED 12 10 Zth j-h [°C/kW] 8 6 4 2 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 uniform clamping force, cleaned and lubricated heatsink, surfaces with flatness < .03 mm and roughness < 2 µm. In the interest of product improvement POSEICO SpA 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. 100