DATASHEET
Common-mode Chokes RD series
Current-compensated Chokes
Rated currents from 6 to 64 A
Up to 600 VAC or 850 VDC
DC to 400 Hz frequencies
Approvals
Dual, triple and quad-choke configurations
RD 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 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 or wire connections.
Up to 64 A quad configuration.
Multiple housing options.
Dual, triple and quad-choke configuration.
Custom-specific versions are available on request.
Typical applications
Technical specifications
Maximum continuous operating voltage
Operating frequency
Rated currents
High potential test voltage
winding-to-winding
600 VAC/850 VDC @ 40 °C
dc to 400 Hz
6 to 64 A @ 40 °C max.
Phase-angle control circuits in combination with
saturating chokes
EMI input filters
For suppressing equipment with no earth
connection
Suppressing high interference levels
winding-to-housing
Surge current @ 10msec
2500 V, 50 Hz, 2 sec, factory test
2500 VAC, 60 sec, guaranteed
Typical electrical schematic
Temperature range (operation and storage)
Flammability corresponding to
MTBF @ 40°C/230V (Mil-HB-217F)
4000 VAC, 60 sec, guaranteed
20 x I<sub>nominal</sub> @ 25 °C
-25 °C to +110 °C (25/110/21)
UL 94 V-0 (insulation tubes UL 94 V-2)
> 5,000,000 hours
2
EMC/EMI Products
Schaffner Group
Datasheets
2015
Choke selection table
Choke
Nominal current
@ 40 °C
[A]
Inductance
L
[mH/path]
R
[m Ω/path]
Resistance
configuration
[Qty]
Choke
Input/Output
connections
Pin footprint
connections
[mm]
Weight
[g]
RD 5122-6-9m6
RD 5122-10-6m0
RD 5122-16-2m0
RD 5132-6-5m0
10
16
6
6
9.6
6
2
5
24.25
9.5
38
52.55
2
3
2
2
-02
-02
-02
-02
Ø 1.6
Ø1
Ø 1.3
Ø1
160
160
160
160
RD 5132-10-3m0
RD 5132-16-1m0
RD 6127-6-15m0
10
16
6
3
1
17.6
6.9
3
3
-02
-02
Ø 1.6
-07
Ø 1.3
160
160
RD 6127-10-9m0
RD 6127-16-3m0
RD 6137-6-7m5
10
16
6
15
9
3
66.65
25.9
10.9
49
2
2
3
2
-07
-07
-07
Ø 1.5
Ø 1.8
Ø1
Ø1
235
235
235
RD 6137-10-4m5
RD 6137-16-1m5
RD 7127-6-25m0
10
16
6
7.5
4.5
1.5
25
18.35
8.3
3
2
3
-07
-07
-07
Ø 1.8
Ø1
Ø 1.5
235
235
320
235
RD 7127-10-14m0
RD 7127-16-5m7
RD 7127-25-2m8
RD 7127-36-1m0
RD 7137-6-12m0
10
16
25
36
6
5.7
2.8
1
14
84.2
33.5
6.4
14.1
3.3
2
2
2
2
-07
-07
-07
-07
Ø 1.4
Ø 2.4
Ø 1.8
350
Ø 2.7
Ø1
380
340
400
370
RD 7137-10-6m6
RD 7137-16-2m8
RD 7137-25-1m3
RD 7137-36-0m5
RD 7147-6-6m0
10
16
25
36
6
6.6
2.8
1.3
0.5
6
12
60.6
21.9
10.7
4.45
2.75
3
3
3
-07
-07
-07
Ø 1.5
Ø 2.5
Ø 2.7
Ø1
Ø 1.8
380
380
3
3
4
-07
-07
-07
440
400
320
RD 7147-10-3m5
RD 7147-16-1m5
RD 7147-25-0m7
RD 7147-36-0m2
RD 8127-16-12m0
RD 8127-25-5m0
RD 8127-36-3m0
RD 8127-50-1m0
RD 8127-64-0m8
RD 8137-16-5m0
RD 8137-25-2m5
RD 8137-36-1m5
RD 8137-50-0m6
RD 8137-64-0m5
RD 8147-16-3m0
RD 8147-25-1m3
RD 8147-36-0m8
RD 8147-50-0m3
RD 8147-64-0m2
10
16
25
36
16
25
36
50
64
16
25
36
50
64
16
25
36
50
64
3.5
1.5
0.7
0.2
12
5
3
0.8
5
1
45.1
19.1
3.65
2.3
8.5
4
4
4
4
-07
-07
-07
-07
Ø 1.8
Ø 2.5
Ø2
Ø 1.4
Ø 2.4
390
400
590
690
370
430
20.05
8.45
4.55
2.5
1.6
2
2
2
2
-07
-07
-07
-07
1.5 x 4.5
1.7 x 5
2.5 x 5
Ø2
Ø 2.4
630
640
2
-07
710
2.5
1.5
0.6
0.5
3
11.6
3.65
2.15
1.35
9.25
3
6.4
3
3
-07
3
3
3
-07
-07
-07
-07
1.5 x 4.5
1.7 x 5
2.5 x 5
Ø2
Ø 2.4
630
650
700
780
650
720
1.3
0.8
0.3
0.2
5.05
1.75
1.1
4
4
4
4
-07
-07
-07
-07
1.5 x 4.5
2.5 x 5
Ø 2.4
4
-07
1.7 x 5
760
820
650
740
Test conditions:
Measuring frequency: 1 kHz; 500 μA > 0.16 mH > 1.6 mH; 50 μA > 1.6 mH < 160 mH
Inductance tolerance: +50%, -30%
Resistance tolerance: ±15% @ 25 °C
Electrical characteristics @ 25 °C: ±2 °C
3
EMC/EMI Products
Schaffner Group
Datasheets
2015
Typical choke attenuation/resonance frequency characteristics
Per CISPR 17; 50 Ω/50 Ω asym
RD 51x2
RD 61x7
RD 7127
RD 7137
RD 7147
RD 8127
RD 8137
RD 8147
Typical saturation characteristics
Inductance (typical value in %) vs. nominal current (A DC)
RD 51x2
RD 61x7
RD 71x7
RD 81x7
4
EMC/EMI Products
Schaffner Group
Datasheets
2015
Mechanical data
RD 5122
RD 5132
RD 6127, RD 7127, RD 8127
RD 6137, RD 7137, RD 8137
RD 7147, RD 8147
Dimensions
A
C
E
F
D
RD 5122
50
35
RD 5132
50
35
RD 6127
60
35
RD 6137
60
35
RD 7127
70
40
RD 7137
70
40
RD 7147
70
40
RD 8127
80
50
RD 8137
80
50
RD 8147
80
50
Tolerances
±0.5
±0.5
5 ±0.5
5 ±0.5
150
10
150
10
150
10
150
10
150
10
200
20
200
20
see choke selection table
20
±0.3
±0.3
±1
200
+5/-0
G
H
I
J
15
4.1 +3/-0
5
20
4.1 +3/-0
120°
40 ±0.4
20
4.1 +3/-0
4.1 +3/-0
6.1
6.1
6.1
6.1
6.1
6.1
+6/-0
K
All dimensions in mm; 1 inch = 25.4 mm
Tolerances according: ISO 2768-m / EN 22768-m
Please visit www.schaffner.com to find more details on filter connectors.
5
EMC/EMI Products
Schaffner Group
Datasheets
2015
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