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