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] ARF261 FAST RECOVERY DIODE Repetitive voltage up to Mean forward current Surge current 3300 V 124 A 3, kA FINAL SPECIFICATION June 17 - Issue: 3 Symbol Characteristic Tj [°C] Conditions Value Unit BLOCKING V RRM Repetitive peak reverse voltage 125 3300 V V RSM Non-repetitive peak reverse voltage 125 3400 V I RRM Repetitive peak reverse current 125 50 mA V=VRRM CONDUCTING I F (AV) Mean forward current 180° sin, 50 Hz, Th=55°C, double side cooled 124 A I F (AV) Mean forward current 180°square, 50 Hz, Th=55°C, double side cooled 126 A I FSM Surge forward current Sine wave, 10 ms without reverse voltage 125 3 kA 3 45 x 10 I² t I² t V FM Forward voltage V F(TO) r F Forward current = 100 A A²s 125 3,50 V Threshold voltage 125 2,30 V Forward slope resistance 125 12,00 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= 200A di/dt= 100 A/µs VR= 50V 125 1 µs 45 µC 90 A 0,44 di/dt = 150 A/µs 14 V MOUNTING R th(j-h) Thermal impedance, DC Junction to heatsink, double side cooled 95,0 °C/kW R th(c-h) Thermal impedance Case to heatsink, double side cooled 20,0 °C/kW T j Operating junction temperature -30 / 125 °C Mounting force 4.5 / 5.0 kN F Mass 55 ORDERING INFORMATION : ARF261 S 33 standard specification VRRM/100 g ARF261 FAST RECOVERY DIODE FINAL SPECIFICATION June 17 - Issue: 3 DISSIPATION CHARACTERISTICS SQUARE WAVE (50Hz) PF(AV) [W] 800 DC 180° 700 90° 600 120° 60° 30° 500 400 300 200 100 0 0 20 40 60 80 100 120 140 160 180 IF(AV) [A] SINE WAVE (50Hz) PF(AV) [W] 800 180° 120° 700 90° 60° 30° 600 500 400 300 200 100 0 0 20 40 60 IF(AV) [A] 80 100 120 140 ARF261 FAST RECOVERY DIODE FINAL SPECIFICATION June 17 - Issue: 3 FORWARD RECOVERY VOLTAGE 45 40 Tj = 125 °C 35 VFR [V] 30 25 IF 20 VFR Tj = 25 °C 15 VF 10 5 0 0 200 400 600 800 1000 1200 di/dt [A/µs] REVERSE RECOVERY CURRENT Tj = 125 °C REVERSE RECOVERY CHARGE Tj = 125 °C 140 350 500A 120 100 250 80 Irr [A] Qrr [µC] 500 A 300 200A 60 40 200A 200 150 100 20 50 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 ARF261 FAST RECOVERY DIODE FINAL SPECIFICATION June 17 - Issue: 3 FORWARD CHARACTERISTIC Tj = 125 °C SURGE CHARACTERISTIC Tj = 125 °C 400 3,5 350 3 2,5 250 ITSM [kA] Forward Current [A] 300 200 150 2 1,5 1 100 0,5 50 0 0 0 2 4 6 8 1 Forward Voltage [V] 10 n° cycles TRANSIENT THERMAL IMPEDANCE DOUBLE SIDE COOLED 100 90 80 Zth j-h [°C/kW] 70 60 50 40 30 20 10 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