SKS 425N B6U 285 V16 SU
Electrical Characteristics
Symbol
Conditions
AMBIENT = 45°C ; No overload
min
typ
max
Unit
Electrical Data
T
ID
Maximum DC current
425
500
670
285
A
VAC
Maximum AC voltage (+/-10%)
DC Bus voltage
VAC
VDC
kW
W
VBUS
PTOTAL
PLOSS
Maximum stack power
Stack power loss (TAMBIENT = 45°C)
Environnmental Data
Symbol
Conditions
min
typ
max
Unit
Mechanical Data
SEMIKRON document number.revision.version
Approximate total weight
Installation altitude without derating
IEC 60529
11092016.00.B
Drawing
-
kg
m
-
Weight
14.7
Altitude
1 000
Diode Stud stack
Protection
Pollution degree
IP00
2
EN 50178
-
SEMISTACK® CLASSICS - B6U
Three phase uncontrolled rectifier
Stack Protection
Symbol
Conditions
min
typ
max
Unit
RC Circuit
Preliminary Data
Type
R
RC in parallel with bridge rectifier
Resistance (11W)
1/2 RC15B
-
Ordering No.
Description
68
Ohm
µF
08785115
C
0.1
SKS 425N B6U 285 V16 SU
Fuses
Size
IN RMS
UN
Features
1 fuse per phase, with microswitches
Caliber
30
-
A
400
• Non-isolated power stacks
• SKN 240/16
Nominal voltage (IEC)
690
V
I²t
Total at Un at room temperature (approx. 20…25°C )
126
kA²s
• Heatsink P1/150
• Natural cooling
• RC circuit included
• Fuses with microswitches
Typical Applications
• Power supplies
• Rectifier for AC/DC motor control
Remarks
This technical information specifies semiconductor devices but
promises no characteristics. No warranty or guarantee, expressed or
implied, is made regarding delivery, performance or suitability.
B6U
Rev. 1 - 06.08.2015
© by SEMIKRON
1