POSEICO SPA Via N. Lorenzi 8, 16152 Genova - ITALY Tel. +39 010 6556234 - Fax +39 010 6557519 Sales Office: Tel. +39 010 6556775 - Fax +39 010 6442510 POSEICO POSEICO SPA POwer SEmiconductors Italian COrporation FAST RECOVERY DIODE FOR IGBT,IEGT,GCT APPLICATIONS SNUBBERLESS OPERATION LOW LOSSES SOFT RECOVERY ARF771LT Repetitive voltage up to Mean forward current Surge current 4500 V 1730 A 28 kA TARGET SPECIFICATION mar 03 - 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 140 150 mA V DC LINK Permanent DC voltage 140 2800 V V=VRRM CONDUCTING I F (AV) Mean forward current 180° sin ,50 Hz, Th=55°C, double side cooled 1730 A I F (AV) Mean forward current 180° square,50 Hz,Th=55°C,double side cooled 1790 A I FSM Surge forward current Sine wave, 10 ms reapplied reverse voltage up to 50% VRSM 140 28 kA Forward current = =2500 A I² t I² t 3920 x1E3 A²s 140 3.95 V V V FM Forward voltage V F(TO) Threshold voltage 140 1.95 r F Forward slope resistance 140 0.800 140 2400 mohm SWITCHING Q rr Reverse recovery charge I rr Peak reverse recovery current t rr Reverse recovery time Q rr I rr s Reverse recovery charge Peak reverse recovery current IF= VR = 2500 A 100 V IF= 2500 A di/dt= 1000 A/µs VR = 2800 V di/dt= 250 A/µs 140 µC A µs 3500 µC 1500 A 7 J 65 V 9.5 °C/kW 2 °C/kW -30 / 140 °C 140 Softness (s-factor), min E OFF Turn off energy dissipation V FR Peak forward recovery di/dt= 500 A/µs 140 MOUNTING R th(j-h) Thermal impedance 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 46.0 Mass 1150 ORDERING INFORMATION : ARF771LT S 45 standard specification VRRM/100 / 54.0 kN g ARF771LT FAST RECOVERY DIODE POSEICO POSEICO SPA POwer SEmiconductors Italian COrporation TARGET SPECIFICATION mar 03 - ISSUE : 2 SURGE CHARACTERISTIC Tj = 140 °C FORWARD CHARACTERISTIC Tj = 140 °C 3500 30 25 2500 20 2000 ITSM [kA] Forward Current [A] 3000 1500 15 10 1000 5 500 0 0 1.2 2.2 3.2 4.2 1 Forward Voltage [V] 10 n° cycles TRANSIENT THERMAL IMPEDANCE DOUBLE SIDE COOLED 10.0 9.0 8.0 Zth j-h [°C/kW] 7.0 6.0 5.0 4.0 3.0 2.0 1.0 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 uniform clamping force, cleaned and lubricated heatsink, surfaces with flatness < .03 mm and roughness < 2 µm. In the interest of product improvement POSEICO 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