POSEICO
POSEICO SPA
POwer SEmiconductors Italian COrporation
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
FAST RECOVERY DIODE
FOR IGBT,IEGT,GCT APPLICATIONS
SNUBBERLESS OPERATION
LOW LOSSES SOFT RECOVERY
TARGET SPECIFICATION
mar 03 - ISSUE : 2
ARF771LT
Repetitive voltage up to
Mean forward current
Surge current
4500
V
1730
A
28
kA
Symbol
Characteristic
Conditions
Tj
[°C]
Value
Unit
BLOCKING
V
V
I
V
RRM
RSM
RRM
DC LINK
Repetitive peak reverse voltage
Non-repetitive peak reverse voltage
Repetitive peak reverse current
Permanent DC voltage
V=VRRM
140
140
140
140
4500
4600
150
2800
V
V
mA
V
CONDUCTING
I
I
I
I² t
V
V
r
FM
F(TO)
F
F (AV)
F (AV)
FSM
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
Forward current = =2500 A
140
1730
1790
28
3920 x1E3
140
140
140
3.95
1.95
0.800
A
A
kA
A²s
V
V
mohm
SWITCHING
Q rr
I
t
rr
rr
Reverse recovery charge
Peak reverse recovery current
Reverse recovery time
Reverse recovery charge
Peak reverse recovery current
Softness (s-factor), min
OFF
FR
IF=
VR =
IF=
di/dt=
VR =
2500 A
100 V
2500 A
1000 A/µs
2800 V
di/dt=
250 A/µs
140
140
2400
µC
A
µs
Q rr
I
s
E
V
rr
3500
140
1500
µC
A
Turn off energy dissipation
Peak forward recovery
di/dt=
500 A/µs
140
7
65
J
V
MOUNTING
R
R
T
F
th(j-h)
th(c-h)
j
Thermal impedance
Thermal impedance
Operating junction temperature
Mounting force
Mass
Junction to heatsink, double side cooled
Case to heatsink, double side cooled
9.5
2
-30 / 140
46.0
1150
/ 54.0
°C/kW
°C/kW
°C
kN
g
ORDERING INFORMATION : ARF771LT S 45
standard specification
VRRM/100
POSEICO [ POWER SEMICONDUCTORS ]
