POSEICO ARF744S25 Datasheet

Tj

Forward current =

ANSALDO

Ansaldo Trasporti s.p.a.

Unita' Semiconduttori

FAST RECOVERY DIODE ARF744

Repetitive voltage up to 2500 V
Mean forward current 3725 A
Surge current 48 kA

FINAL SPECIFICATION

apr 97 - ISSUE : 02

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 -

Symbol Characteristic Conditions

[°C]

Value Unit

BLOCKING

V RRM Repetitive peak reverse voltage 150 2500 V
V RSM Non-repetitive peak reverse voltage 150 2600 V

I RRM Repetitive peak reverse current V=VRRM 150 150 mA

CONDUCTING

I F (AV) Mean forward current 180° sin ,50 Hz, Th=55°C, double side cooled 3725 A

I F (AV) Mean forward current 180° square,50 Hz,Th=55°C,double side cooled 3800 A

I FSM Surge forward current Sine wave, 10 ms 150 48 kA
I² t I² t
V FM Forward voltage
V F(TO) Threshold voltage 150 0.85 V

r F Forward slope resistance 150 0.160 mohm

reapplied reverse voltage up to 50% VRSM

11520 x1E3 A²s

2000 A 25 1.35 V

SWITCHING

t rr Reverse recovery time I F = 1000 A 5 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 150 10 V

di/dt= 60 A/µs

VR = 50 V

150 500 µC

200 A

MOUNTING

R th(j-h) Thermal impedance Junction to heatsink, double side cooled 11 °C/kW

T j Operating junction temperature -30 / 150 °C

F Mounting force 46.0 / 54.0 kN

Mass 1700 g

ORDERING INFORMATION : ARF744 S 25

standard specification

VRRM/100

ARF744 FAST RECOVERY DIODE

Power Dissipation [W]

ANSALDO

Power Dissipation [W]

FINAL SPECIFICATION apr 97 - ISSUE : 02

DISSIPATION CHARACTERISTICS

9000

SQUARE WAVE

8000

180°

7000

60°

120°

90°

6000
5000

30°

4000
3000
2000
1000

0

0 1000 2000 3000 4000 5000

Mean Forward Current [A]

SINE WAVE

DC

9000

180°

8000
7000

120°

90°

6000

60°

5000

30°

4000
3000
2000
1000

0

0 1000 2000 3000 4000 5000

Mean Forward Current [A]