datasheet

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