EMC/EMI Products
EMC/EMI Chokes
RB Series
Current-compensated Chokes
I Rated currents from 16 to 50A
Approvals
I Up to 600VAC or 1000VDC
I 2- and 3-wire configurations
I Horizontal and vertical PCB
mounting types
I Ruggedized saturation and thermal
behavior
I Open construction for forced and
convection cooling
I Straightforward pin-out for easy PCB
design
Technical specifications
Typical electrical schematic
L1
Maximum continuous operating voltage:
Operating frequency:
600VAC/1000VDC
DC to 400Hz
L1'
L2'
L3'
Rated currents:
16 to 50A @ 60°C max. convection cooling
2500VAC, 60 sec, guaranteed, 2 sec factory test
High potential test voltage
winding-to-winding @ 25°C:
Temperature range (operation and storage):
Flammability corresponding to:
Cooling:
L2
L3
-40°C to +125°C (40/125/21)
UL 94V-0
convection/forced cooling
> 5,000,000 hours
MTBF @ 40°C/230V (Mil-HB-217F):
Features and benefits
Typical applications
RB common-mode chokes are mainly used
to filter EMI noise on AC power lines up to
I Cost-effective PCB designs for up to
80A with forced cooling*
I AC and DC filtering for midsize
power range drives, photovoltaic inverters,
fast chargers, charging stations, UPS and
switch mode power supplies
I Filter with low leakage current noise
or improved immunity against grid
disturbances
600VAC but they are as well applicable in DC I Compact size and light weight
power lines of photovoltaic installations or
similar applications up to 1000VDC.
I Low magnetic leakage flux
I Excellent winding insulation
I Standardized foot print
EMI noise of electronic equipment can go to
the power lines and disturb the proper func-
tion of other devices like TV sets or radios.
Thus noise generated by the equipment from
switched power electronics or by high slew
rates of controllers needs to be filtered.
RB common-mode chokes are used to sup-
press EMI noise in PCB integrated filter desi-
gns with line bypass capacitors or in combi-
nation with single phase filters for extra low
leakage filter designs.
I Broad range of inductance ratings
I Custom-specific versions on request
I Electronic devices, automation
I Converters
* See Application Note for forced cooling