DATASHEET
Common-mode Chokes RN series
Current-compensated Chokes
Rated currents from 0.3 to 10 A
DC to 400 Hz frequency
100 kHz to 3 MHz common-mode resonance
frequency
Dual-choke configurations
Multiple PCB-mounting options
Approvals
Performance indicators
RN chokes are attenuating common-mode or
asymmetric (P/N –> E) interference signals, by being
connected in series with the phase and neutral lines
of an AC powerline input. Symmetrical components
of the noise are also attenuated by the leakage
inductance (stray inductance) of the windings. These
chokes are typically used in conjunction with
suppression capacitors.
Features and benefits
High saturation resistance and excellent thermal
behavior
Through hole pin connections
Dual-choke configuration
Technical specifications
Operating voltage
Operating frequency
Rated currents
Rated inductance
Stray inductance
Inductance reduction (DC bias with IN)
High potential test voltage winding-to-
winding @ 25°C
winding-to-housing @ 25°C
MTBF @ 40°C/230 V (Mil-HB-217F)
Surge current @ 10 msec
Temperature range (operation and storage)
Flammability corresponding to
300 VAC
DC to 400 Hz
0.3 to 10 A @ rated ambient temperature
0.4 to 100 mH
Typically 1% of L
N
Less than 10% (25°C)
1500 VAC, 60 sec, guaranteed
1500 VAC, 2 sec, factory test
4000 VAC, 60 sec, guaranteed
>5,000,000 hours
20 x I
N
@ 25°C
-40°C to 100°C (40/100/56)
acc. IEC 60068-1
Potting compound UL 94V-0
Housing UL 94V-0
Ringcore coating UL 94V-0
UL 1283, IEC/EN 60938-1
Small compact design
Multiple housing options
Custom-specific versions are available on request
Higher temperature versions
Fully potted design usable for ruggedized
applications
Typical applications
Switch-mode power applications
Suppressing common-mode interference levels
EMI input filters
For suppression-equipment with no earth
connection
Phase-angle control circuits in combination with
saturating chokes
Design corresponding to
Typical electrical schematic
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