Choke selection table Choose the choke RI xxx offering the required current rating and component configuration.
Types with the letters PC in the name have pins for PCB mounting; others have flying lead wire connections.
Nominal
current
A @ 40ºC
Choke type R†
mΩ/path
Circuit
symbol Weight
approx.
g
RI 109 PC
RI 110 PC
RI 111 PC
RI 13
6 5
1 2 0
1 7 0
1 3 2 0
2
3
6
25
280
148
42
10
RI 207 PC
RI 209 PC
RI 229 PC
RI 230 PC
RI 210 PC
RI 231 PC
5 0
4 0
3 0
5 0
6 5
8 0
0.8
2
2
3
3
5
1325
275
265
160
160
62
Environmental ratings
Maximum operating voltage: 500V at 40˚C
High potential test voltage
winding-to-winding at 25˚C
and/or winding-to-inserts: 2500VAC, 1 minute, guaranteed
2500V, 50Hz, 2 sec, factory test
Surge current at 10msec: 20 x Inominal at 25˚C
Power operating frequency: DC to 1kHz at 40°C
Operating temperature: -25°C to +110˚C
Storage temperature: -25°C to +110˚C
Climatic class per IEC 68: 25/110/21
Flammability: UL94V0
Test conditions
†Resistance: tolerance max. ±15% at 25°C; < 200mΩ 100mA;
> 200mΩ ≤ 2Ω 10mA
Electrical characteristics at 25ºC ± 2ºC
Nominal
current
A @ 40ºC
Choke type R†
mΩ
Circuit
symbol Weight
approx.
g
RI 211 PC
RI 221 PC
RI 401 PC
RI 403 PC
RI 406 PC
RI 410 PC
RI 222
RI 415
RI 425
7 0
1 7 5
1 5
3 0
5 5
9 5
3 3 0
2 0 5
3 2 5
6
8
1.5
3
6
10
15
15
25
43
34
620
105
53
28
21
8
3.5
Typical saturation characteristics
Inductance (typical value in %) vs. nominal current in %
RI series typical
Ind.
%
Nominal current
RI Series
• 0.8 to 25A ratings
•single or dual choke configurations
•flying lead or PCB-mount versions
•Nennströme zwischen 0.8 und 25A
• Einfach- oder Doppel-Wicklungskonfigurationen
• Versionen für Leiterplattenmontage oder mit Anschlußdrähten
•courant de service entre 0,8 et 25A
•configurations avec un ou deux enroulements
• boîtiers pour montage sur carte électronique ou connexions par fils
Saturating chokes
3 2
32
24
30
17 M3
25
10 0.6 x 0.88
4
~6.5
40
30
35
18
30
12.5
~5.5
49
35
34
21
M4
40/20
20
∅1.15/1.13
6
~15
19.5
+0.55
-0
19.5
+0.55
-0
12.5
7.5
0.6 x 0.88
~4
25
25
25
12.5
∅1
~15
32
24
30
17
M3
15
4
~11
25
17.5
∅1.13
~15
23.3
23.3
18
15 10
∅0.8/0.9
~4/~6
28.5
28.5
21.5
20
0.6 x 0.88
32.5
+0.5
-0
32.5
+0.5
-0
25
17.5
~4/~4.5 ~6
33
33
28
15
0.75 x 1.1
RI 109 RI 110 RI 111/
RI 221 RI 207/
RI 401 RI 209 RI 210 RI 211 RI 229/
RI 403 RI 230/
RI 406 RI 231 RI 410
± 0.3
± 0.3
± 0.3
± 0.25
-
± 0.2
± 0.2
± 0.1
+0
-0.5
-
Tol.*
mm
A
B
C
D
E
F
G
H
J
K
15
+0
-0.6
/15
+
-
0.3
Mechanical data
PCB Mounting
Flying lead types
K
C
SIDE
BOTTOM
J
EHK
HK
C
G
F
A
D B G
F
A
BD
G
H
F
A
B
C
A
F
B
G
H
E
J
K
C
RI 109, 110, 111 RI 207, 209, 229, 230,
401, 403, 406 RI 210, 211, 221RI 231, 410
SIDE
BOTTOM
C
H
E
G
F
A
D B G
F
A
D B
G
F
A
D B
J
I
C
E
J
I
K
C
E
J
I
K
RI 13 RI 415, 425RI 222
95
60 +1.3
-0
65
37
M5
~80
∼40
7+1
-0
48 +0.3
-1.2
48
43 30
M4
∼35
∼35 10 6
200
35 +0
-0.5
49 +0
-0.5
34
∼22
∼36
48 +0.3
-1.2
48
43
∼39
∼35
RI 13 RI 222 RI 415 RI 425
± 0.3
+0.3
-1.2
± 0.3
± 0.25
-
-
-
± 1
+0
-0.5
± 10
Tol.*
mm
A
B
C
D
E
F
G
I
J
K
* Measurements share this common tolerance unless otherwise stated
Dimensions in mm; 1 inch = 25.4mm
* Measurements share this common tolerance unless otherwise stated
Dimensions in mm; 1 inch = 25.4mm
Choke
Choke
3 3
