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] ARF677 FAST RECOVERY DIODE Repetitive voltage up to Mean forward current Surge current 4500 V 1374 A 18 kA FINAL SPECIFICATION June 17 - Issue: 2 Symbol Characteristic Tj [°C] Conditions Value Unit BLOCKING V RRM Repetitive peak reverse voltage 140 4500 V V RSM Non-repetitive peak reverse voltage 140 4600 V I RRM Repetitive peak reverse current 140 100 mA V=VRRM CONDUCTING I F (AV) Mean forward current 180° sin, 50 Hz, Th=55°C, double side cooled 1374 A I F (AV) Mean forward current 180°square, 50 Hz, Th=55°C, double side cooled 1381 A I FSM Surge forward current Sine wave, 10 ms riappled reverse voltage up to 50% VRSM 140 18 kA 3 1620 x 10 I² t I² t V FM Forward voltage V F(TO) r F Forward current = 1570 A A²s 25 2,40 V Threshold voltage 140 1,25 V Forward slope resistance 140 0,500 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= 500A di/dt= 80 A/µs 140 VR= 100V 7 µs 1150 µC 330 A 0,5 di/dt = 400 A/µs 140 40 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 Mounting force Mass 21,0 °C/kW 4,0 °C/kW -30 / 140 °C 22.0 / 24.5 kN 520 ORDERING INFORMATION : ARF677 S 45 standard specification VRRM/100 g ARF677 FAST RECOVERY DIODE FINAL SPECIFICATION June 17 - Issue: 2 DISSIPATION CHARACTERISTICS SQUARE WAVE (50Hz) PF(AV) [W] 4500 DC 4000 3500 90° 120° 180° 60° 3000 30° 2500 2000 1500 1000 500 0 0 200 400 600 800 1000 1200 1400 1600 1800 2000 IF(AV) [A] SINE WAVE (50Hz) PF(AV) [W] 4500 120° 4000 60° 3500 180° 90° 30° 3000 2500 2000 1500 1000 500 0 0 500 1000 IF(AV) [A] 1500 2000 ARF677 FAST RECOVERY DIODE FINAL SPECIFICATION June 17 - Issue: 2 FORWARD RECOVERY VOLTAGE 80 Tj = 140 °C 70 60 VFR [V] 50 40 IF VFR 30 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 1000 2500 1000 A 2000 1000 A 900 500A 800 500 A 250 A 1500 250 A 1000 600 Irr [A] Qrr [µC] 700 500 400 300 500 200 100 0 0 100 200 300 400 0 0 100 200 300 400 di/dt [A/µs] 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 ARF677 FAST RECOVERY DIODE FINAL SPECIFICATION June 17 - Issue: 2 SURGE CHARACTERISTIC Tj = 140 °C 4500 20 4000 18 3500 16 14 3000 ITSM [kA] Forward Current [A] FORWARD CHARACTERISTIC Tj = 140 °C 2500 2000 1500 12 10 8 6 1000 4 500 2 0 0 0 1 2 3 4 1 Forward Voltage [V] 10 n° cycles TRANSIENT THERMAL IMPEDANCE DOUBLE SIDE COOLED 25 Zth j-h [°C/kW] 20 15 10 5 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