POSEICO ARF676S48 Datasheet

Tj

Forward current =

ANSALDO

Ansaldo Trasporti s.p.a.

Unita' Semiconduttori

FAST RECOVERY DIODE ARF676

Repetitive voltage up to 4800 V
Mean forward current 1515 A
Surge current 18 kA

FINAL SPECIFICATION

feb 97 - ISSUE : 03

Via N. Lorenzi 8 - I 16152 GENOVA - ITALY
Tel. int. +39/(0)10 6556549 - (0)10 6556488
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Symbol Characteristic Conditions

[°C]

Value Unit

BLOCKING

V RRM Repetitive peak reverse voltage 140 4800 V
V RSM Non-repetitive peak reverse voltage 140 4900 V

I RRM Repetitive peak reverse current V=VRRM 140 100 mA

CONDUCTING

I F (AV) Mean forward current 180° sin ,50 Hz, Th=55°C, double side cooled 1515 A

I F (AV) Mean forward current 180° square,50 Hz,Th=55°C,double side cooled 1535 A

I FSM Surge forward current Sine wave, 10 ms 140 18 kA
I² t I² t
V FM Forward voltage
V F(TO) Threshold voltage 140 1.25 V

r F Forward slope resistance 140 0.500 mohm

reapplied reverse voltage up to 50% VRSM

1620 x1E3 A²s

1570 A 25 2.4 V

SWITCHING

t rr Reverse recovery time I F = 1000 A 6 µs

Q rr Reverse recovery charge

I rr Peak reverse recovery current
s Softness (s-factor), min 0.5

V FR Peak forward recovery di/dt= 400 A/µs 140 40 V

di/dt= 250 A/µs

VR = 100 V

140 2000 µC

800 A

MOUNTING

R th(j-h) Thermal impedance Junction to heatsink, double side cooled 18 °C/kW

T j Operating junction temperature -30 / 140 °C

F Mounting force 22.0 / 24.5 kN

Mass 300 g

ORDERING INFORMATION : ARF676 S 48

standard specification

VRRM/100

ARF676 FAST RECOVERY DIODE

Power Dissipation [W]

ANSALDO

Power Dissipation [W]

FINAL SPECIFICATION feb 97 - ISSUE : 03

DISSIPATION CHARACTERISTICS

5000
4500
4000
3500
3000
2500
2000
1500

30°

60°

SQUARE WAVE

120°

90°

180°

DC

DC

1000

500

0

0 500 1000 1500 2000 2500

Mean Forward Current [A]

SINE WAVE

5000
4500
4000
3500

120°

90°

60°

180°

DC

3000
2500

30°

2000
1500
1000

500

0

0 500 1000 1500 2000 2500

Mean Forward Current [A]