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
RECTIFIER DIODE
AR749LT
Repetitive voltage up to Mean forward current Surge current 2500 V 5180 A 70 kA
FINAL SPECIFICATION
nov 02 - ISSUE : 02
Symbol
Characteristic
Conditions
Tj [°C]
Value
Unit
BLOCKING
V V I
RRM RSM RRM
Repetitive peak reverse voltage Non-repetitive peak reverse voltage Repetitive peak reverse current V=VRRM
175 175 175
2500 2600 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° sin ,50 Hz, Tc=85°C, double side cooled Sine wave, 10 ms without reverse voltage Forward current = 3000 A 175
5180 5030 70 24500 x 1E3 25 175 175 1.30 0.65 0.140
A A kA A²s V V mohm
F (AV) FSM
I² t V V r
FM F(TO) F
SWITCHING
t rr Q rr I rr Reverse recovery time Reverse recovery charge Peak reverse recovery current 175 µs µC A
MOUNTING
R th(j-h) R th(c-h) T F
j
Thermal impedance, DC Thermal impedance Operating junction temperature Mounting force Mass
Junction to heatsink, double side cooled Case to heatsink, double side cooled
9.5 2 -30 / 46.0 1150 175 / 54.0
°C/kW °C/kW °C kN g
ORDERING INFORMATION : AR749LT S 25 standard specification
VRRM/100
AR749LT RECTIFIER DIODE
FINAL SPECIFICATION nov 02 - ISSUE : 02
POSEICO
POSEICO SPA POwer SEmiconductors Italian COrporation
DISSIPATION CHARACTERISTICS SQUARE WAVE
Th [°C] 190 170 150 130 110 90 70 50 0 1000 2000 3000 4000 IF(AV) [A] 5000 6000 7000 8000
30° 60°
90° 120°
180° DC
PF(AV) [W] 14000 12000
120° DC 180°
10000
60°
90°
8000 6000 4000 2000 0 0 1000
30°
2000
3000
4000 IF(AV) [A]
5000
6000
7000
8000
AR749LT RECTIFIER DIODE
FINAL SPECIFICATION nov 02 - ISSUE : 02
POSEICO
POSEICO SPA POwer SEmiconductors Italian COrporation
DISSIPATION CHARACTERISTICS SINE WAVE
Th [°C] 190 170 150 130 110 90 70 50 0 1000 2000 3000 IF(AV) [A] 4000 5000 6000
30° 60°
90° 120° 180°
PF(AV) [W] 14000 12000 10000 8000
30° 60° 120° 90° 180°
6000 4000 2000 0 0 2000 4000 IF(AV) [A] 6000 8000
AR749LT RECTIFIER DIODE
FINAL SPECIFICATION nov 02 - ISSUE : 02
POSEICO
POSEICO SPA POwer SEmiconductors Italian COrporation
FORWARD CHARACTERISTIC Tj = 175 °C 18000 16000 14000 Forward Current [A] 12000 10000 8000 6000 4000 2000 0 0.6 1.1 1.6 2.1 2.6 3.1 Forward Voltage [V] ITSM [kA] 80 70 60 50 40 30 20 10 0 1
SURGE CHARACTERISTIC Tj = 175 °C
10 n° cycles
100
TRANSIENT THERMAL IMPEDANCE DOUBLE SIDE COOLED 10.0 9.0 8.0 7.0 Zth j-h [°C/kW] 6.0 5.0 4.0 3.0 2.0 1.0 0.0 0.001
0.01
0.1 t[s]
1
10
100
Distributed by All 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 POSEICO 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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