POSEICO ARF681S45 Datasheet
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POSEICO SPA
Via N. Lorenzi 8, 16152 Genova - ITALY
OSEICO
OSEICO SPA
Ower SEm iconductor s Ital ian COrporation
Tel. +39 010 6556234 - Fax +39 010 6557519
Sales Office:
Tel. +39 010 6556775 - Fax +39 010 6442510
FAST RECOVERY DIODE ARF681
FOR IGBT, IEGT, GCT APPLICATIONS
SNUBBERLESS OPERATION
LOW LOSSES SOFT RECOVERY
Repetitive voltage up to 4500 V
Mean forward current 1145 A
Surge current 25 kA
TARGET SPECIFICATION
mar 03 - ISSUE : 2
Symbol Characteristic Conditions
Tj
[°C]
BLOCKING
V RRM Repetitive peak reverse voltage 125 4500 V
RSM Non-repetitive peak reverse voltage 125 4600 V
V
I
RRM Repetitive peak reverse current V=VRRM 125 150 mA
DC LINK Permanent DC voltage 125 2800 V
V
CONDUCTING
I F (AV) Mean forward current 180° sin ,50 Hz, Th=55°C, double side cooled 1145 A
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 125 25 kA
I
I² t I² t
reapplied reverse voltage up to 50% VRSM
Value Unit
3125 x1E3 A²s
FM Forward voltage Forward current = =2000 A 125 3.55 V
V
F(TO) Threshold voltage 125 1.95 V
V
F Forward slope resistance 125 0.800 mohm
r
SWITCHING
Q rr Reverse recovery charge I F = 1000 A di/dt= 250 A/µs 125 µC
I rr Peak reverse recovery current
t rr Reverse recovery time I F = 2100 A µs
Q rr Reverse recovery charge
I rr Peak reverse recovery current
s Softness (s-factor), min
OFF Turn off energy dissipation J
E
FR Peak forward recovery di/dt= 400 A/µs 125 V
V
VR = 100 V
di/dt= 1000 A/µs
VR = 1800 V
125 A
125 A
1500
730
2200
1150
µC
MOUNTING
R th(j-h) Thermal impedance Junction to heatsink, double side cooled 14.0 °C/kW
th(c-h) Thermal impedance Case to heatsink, double side cooled 6.0 °C/kW
R
j Operating junction temperature -30 / 125 °C
T
F Mounting force 35.0 / 40.0 kN
Mass 850 g
ORDERING INFORMATION : ARF681 S 45
standard specification
VRRM/100
ARF681 FAST RECOVERY DIODE
A
P
P
P
TARGET SPECIFICATION mar 03 - ISSUE : 2
OSEICO
OSEICO S PA
Ower SEmiconduc tors Italian COrpo ration
FORWARD CHARACTERISTIC
Tj = 125 °C
3500
3000
2500
2000
1500
Forward Current [A]
1000
500
0
1.2 2.2 3.2 4.2
Forward Voltage [V]
SURGE CHARACTERISTIC
Tj = 125 °C
30
25
20
15
ITSM [kA]
10
5
0
1 10 100
n° cycles
TRANSIENT THERMAL IMPEDANCE
DOUBLE SIDE COOLED
16.0
14.0
12.0
10.0
8.0
6.0
Zth j-h [°C/kW]
4.0
2.0
0.0
0.001 0.01 0.1 1 10 100
t[s]
Distributed by
ll 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.
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