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ARF678

Power Semiconductors
Part Number ARF678
Manufacturer Power Semiconductors
Description FAST RECOVERY DIODE
Published Mar 24, 2005
Detailed Description ANSALDO Ansaldo Trasporti s.p.a. Unita' Semiconduttori Via N. Lorenzi 8 - I 16152 GENOVA - ITALY Tel. int. +39/(0)10 6...
Datasheet PDF File ARF678 PDF File

ARF678
ARF678

Overview
ANSALDO Ansaldo Trasporti s.
p.
a.
Unita' Semiconduttori Via N.
Lorenzi 8 - I 16152 GENOVA - ITALY Tel.
int.
+39/(0)10 6556549 - (0)10 6556488 Fax Int.
+39/(0)10 6442510 Tx 270318 ANSUSE I - FAST RECOVERY DIODE ARF678 Repetitive voltage up to Mean forward current Surge current 4500 V 1690 A 27 kA FINAL SPECIFICATION apr 97 - ISSUE : 01 Symbol Characteristic Conditions Tj [°C] Value Unit BLOCKING V RRM V RSM I RRM Repetitive peak reverse voltage Non-repetitive peak reverse voltage Repetitive peak reverse current V=VRRM 150 150 150 4500 4600 150 V V mA CONDUCTING I I I F (AV) Mean forward current Mean forward current Surge forward current I² t Forward voltage Threshold voltage Forward slope resistance 180° sin ,50 Hz, Th=55°C, double side cooled 180° square,50 Hz,Th=55°C,double side cooled Sine wave, 10 ms reapplied reverse voltage up to 50% VRSM 150 1690 1735 27 2880 x1E3 A A kA A²s V V mohm F (AV) FSM I² t V FM V F(TO) r F Forward current = 2000 A 25 150 150 2.
40 1.
30 0.
650 SWITCHING t rr Q rr I rr s V FR Reverse recovery time Reverse recovery charge Peak reverse recovery current Softness (s-factor), min Peak forward recovery di/dt= 400 A/µs 150 I F = 1000 A di/dt= VR = 250 A/µs 50 V 650 0.
5 40 V A 150 4.
2 1350 µs µC MOUNTING R th(j-h) T F j Thermal impedance Operating junction temperature Mounting force Mass Junction to heatsink, double side cooled 14.
0 -30 / 150 35.
0 / 40.
0 850 °C/kW °C kN g ORDERING INFORMATION : ARF678 S 45 standard specification VRRM/100 ARF678 FAST RECOVERY DIODE FINAL SPECIFICATION apr 97 - ISSUE : 01 ANSALDO DISSIPATION CHARACTERISTICS SQUARE WAVE 7000 DC 6000 90° 120° 180° Power Dissipation [W] 5000 60° 4000 3000 2000 1000 0 0 500 30° 1000 1500 2000 2500 Mean Forward Current [A] SINE WAVE 7000 180° 6000 90° 120° Power Dissipation [W] 5000 30° 60° 4000 3000 2000 1000 0 0 500 1000 1500 2000 2500 Mean Forward Current [A] ARF678 FAST RECOVERY DIODE FINAL SPECIFICATION apr 97 - ISSUE : 01 ANS...


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