Saturating chokes
• 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
RI Series
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.
Choke type
Nominal
current
Circuit
symbol
R
†
Weight
approx.
Choke type
Nominal
current
Circuit
symbol
R
†
Weight
approx.
A @ 40ºC
RI 109 PC
RI 110 PC
RI 111 PC
RI 13
RI 207 PC
RI 209 PC
RI 229 PC
RI 230 PC
RI 210 PC
RI 231 PC
2
3
6
25
0.8
2
2
3
3
5
mΩ/path
g
65
120
170
1320
50
40
30
50
65
80
RI 211 PC
RI 221 PC
RI 401 PC
RI 403 PC
RI 406 PC
RI 410 PC
RI 222
RI 415
RI 425
A @ 40ºC
6
8
1.5
3
6
10
15
15
25
mΩ
43
34
620
105
53
28
21
8
3.5
g
70
175
15
30
55
95
330
205
325
280
148
42
10
1325
275
265
160
160
62
Environmental ratings
Maximum operating voltage:
High potential test voltage
winding-to-winding at 25˚C
and/or winding-to-inserts:
Surge current at 10msec:
Power operating frequency:
Operating temperature:
Storage temperature:
Climatic class per IEC 68:
Flammability:
500V at 40˚C
2500VAC, 1 minute, guaranteed
2500V, 50Hz, 2 sec, factory test
20 x I
nominal
at 25˚C
DC to 1kHz at 40°C
-25°C to +110˚C
-25°C to +110˚C
25/110/21
UL94V0
Typical saturation characteristics
Inductance (typical value in %) vs. nominal current in %
RI series typical
Ind.
† Resistance: tolerance max. ±15% at 25°C; < 200mΩ 100mA;
> 200mΩ
≤
2Ω 10mA
Electrical characteristics at 25ºC ± 2ºC
%
Nominal current
Test conditions
32
Mechanical data
PCB Mounting
Choke
RI 109
32
24
30
17
M3
25
10
RI 110
40
30
35
18
RI 111/
RI 221
49
35
34
21
M4
40/20
20
∅1.15/1.13
6
~15
RI 207/
RI 401
+0.55
-0
+0.55
-0
15
+0
/15
+
0.3
-
-0.6
RI 209
25
25
25
RI 210
32
24
30
17
M3
15
12.5
∅1
4
RI 211
RI 229/
RI 403
23.3
23.3
18
RI 230/
RI 406
28.5
28.5
21.5
RI 231
32.5
+0.5
-0
32.5
+0.5
-0
25
RI 410
33
33
28
A
B
C
D
E
F
G
H
J
K
19.5
19.5
30
12.5
0.6 x 0.88
4
~6.5
~5.5
12.5
7.5
0.6 x 0.88
~4
~15
25
17.5
∅1.13
~15
15
10
∅0.8/0.9
~4/~6
20
0.6 x 0.88
~4/~4.5
17.5
15
0.75 x 1.1
~6
Tol.*
mm
± 0.3
± 0.3
± 0.3
± 0.25
-
± 0.2
± 0.2
± 0.1
+0
-0.5
~11
-
Dimensions in mm; 1 inch = 25.4mm
* Measurements share this common tolerance unless otherwise stated
SIDE
E
H
K
H
H
C
C
K
J
C
E
H
K
J
K
C
RI 109, 110, 111
RI 207, 209, 229, 230,
401, 403, 406
RI 231, 410
RI 210, 211, 221
BOTTOM
G
D
B
G
B
G
B
G
D
B
F
A
F
A
F
A
F
A
Flying lead types
Choke
RI 13
95
60
+1.3
-0
65
37
M5
~80
∼40
7
+1
-0
RI 222
48
+0.3
-1.2
48
43
RI 415
35
+0
-0.5
49
+0
- 0.5
34
30
M4
∼22
∼36
10
6
200
RI 425
48
+0.3
-1.2
48
43
A
B
C
D
E
F
G
I
J
K
Tol.*
mm
± 0.3
+0.3
-1.2
∼35
∼35
∼39
∼35
± 0.3
± 0.25
-
-
-
±1
+0
-0.5
± 10
* Measurements share this common tolerance unless otherwise stated
Dimensions in mm; 1 inch = 25.4mm
SIDE
I
I
K
I
K
H
C
J
J
E
E
C
J
C
E
RI 13
RI 222
RI 415, 425
BOTTOM
G
D
B
G
D
B
G
D
B
F
A
F
A
F
A
33
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