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 ARF681 Repetitive voltage up to Mean forward current Surge current 4500 V 1145 A 25 kA TARGET SPECIFICATION mar 03 - ISSUE : 2 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 DC LINK Permanent DC voltage 125 2800 V V=VRRM CONDUCTING I F (AV) Mean forward current 180° sin ,50 Hz, Th=55°C, double side cooled 1145 A I F (AV) Mean forward current 180° square,50 Hz,Th=55°C,double side cooled 1185 A I FSM Surge forward current Sine wave, 10 ms reapplied reverse voltage up to 50% VRSM 125 25 kA Forward current = =2000 A I² t I² t 3125 x1E3 A²s V FM Forward voltage 125 3.55 V V F(TO) Threshold voltage 125 1.95 V r F Forward slope resistance 125 0.800 125 1500 µC 125 730 A mohm SWITCHING Q rr Reverse recovery charge I rr Peak reverse recovery current t rr Reverse recovery time Q rr Reverse recovery charge I rr Peak reverse recovery current s Softness (s-factor), min E OFF Turn off energy dissipation V FR Peak forward recovery IF= VR = 1000 A 100 V IF= 2100 A di/dt= 1000 A/µs VR = 1800 V di/dt= 250 A/µs µs 125 2200 µC 1150 A J di/dt= 400 A/µs 125 V 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 Operating junction temperature -30 / 125 °C Mounting force 35.0 / 40.0 kN F j Mass 14.0 °C/kW 6.0 °C/kW 850 ORDERING INFORMATION : ARF681 S 45 standard specification VRRM/100 g ARF681 FAST RECOVERY DIODE TARGET SPECIFICATION POSEICO POSEICO SPA POwer SEmiconductors Italian COrporation mar 03 - ISSUE : 2 SURGE CHARACTERISTIC Tj = 125 °C FORWARD CHARACTERISTIC Tj = 125 °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 16.0 14.0 Zth j-h [°C/kW] 12.0 10.0 8.0 6.0 4.0 2.0 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 ANSALDO 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