32
Choke selection table
Nominal
current
A @ 40ºC
Choke type R†
mΩ
Circuit
symbol
Inductance
L*
mH
Weight
approx.
g
RF 51-4
RF 61-16
RF 71-35
RF 71-75
RF 81-75
RF 81-150
RF 101-150
2.4 (2)
1.2 (1.2)
0.58 (0.35)
0.1 (0.06)
0.42 (0.3)
0.1 (0.08)
0.28 (0.22)
250
1300
2720
2800
9060
9400
22000
4
16
35
75
75
150
150
310
40
12
2
3.7
0.95
2.25
Nominal
current
A @ 40ºC
Choke type R†
mΩ
Circuit
symbol
Inductance
L*
mH
Weight
approx.
g
RF 211-6/02
RF 211-10/02
RF 211-2/14
RF 211-4/14
RF 211-6/14
RF 211-10/14
0.39 (0.33)
0.15 (0.1)
3.8 (3.3)
0.92 (0.68)
0.39 (0.33)
0.15 (0.1)
75
70
74
74
76
73
6
10
2
4
6
10
100
42
820
202
90
33
Test conditions
* Measuring frequency: 1kHz; 500µA > 0.16mH < 1.6mH;
50µA > 1.6mH < 160mH; inductance tolerance +50%, -30%
(values in brackets according to VDE 0565-2)
†Resistance: tolerance max. ±15% at 25˚C; < 200mΩ100mA;
> 200mΩ≤
≤
2Ω10mA; > 2Ω≤
≤
20Ω1mA
Electrical characteristics at 25ºC ± 2ºC
Typical attenuation/resonance frequency characteristics
RF 211RF 51/61/71 RF 81/101
Environmental ratings
Maximum operating voltage: 380/500V at 40°C
High potential test voltage
RF 211
winding-to-rod core at 25˚C: 2500VAC, 1 minute, guaranteed
2500V, 50Hz, 2 sec, factory test
RF 51 - RF 101
winding-to-inserts at 25˚C: 3000VAC, 1 minute, guaranteed
3000V, 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/storage temp:
RF 211 -40˚C to +110˚ C
RF 51 - RF 101 -25˚C to +110˚ C
Climatic class per IEC 68:
RF 211 40/110/21
RF 51 - RF 101 25/110/21
RF Series
• 2 to 150A ratings (higher currents on request)
• 0.1mH to 3.8mH inductances
• fast-on or PCB-mount versions
• Nennströme zwischen 2 und 150A (höhere Ströme auf Anfrage)
• Induktivitäten von 0.1mH bis 3.8mH
• Versionen mit Steckkontakten und für Leiterplattenmontage
• courant de service entre 2 et 150A (plus élevé à la demande)
• inductance de 0,1mH à 3.8mH
• versions Fast-on ou pour montage sur carte électronique
Rod-cored chokes
V
E
D
(RF 211)
A
B
C
D
E
G
H
I
K
L
33
Mechanical data
75 ± 0.5
35
34
100
+10
-0
66
26
Ø4.2
Ø1.06
145
50
55
15 ± 2
131
37
Ø6.5
≥5
191.5 ± 1
61 ± 0.5
65 ± 0.5
177.5
47 ± 0.5
270 ± 10
90
95 ± 3
45
226
60
M6
9
425 ± 2
130 ± 2
130
+10
-0
60
140
90
M8
15
RF 51 RF 61 RF 71 RF 81 RF 101
+0.2
-0
± 0.3
± 0.3
± 3
± 0.25
± 0.25
± 0.1
-
± 0.3
+0
-1
Tol.*
mm
Choke
* Measurements share this common tolerance unless otherwise stated
Dimensions in mm; 1 inch = 25.4mm
SIDE
BOTTOM
HD
C
DD
CC
K
G
D
C
K
G
I
RF 51 RF 61, 71 RF 81 RF 101
G
B
F
B
F
B
F
B
F
EA
EA
E
E
EA
A
G
A
B
C
D
E
F
G
H
I
K
* Measurements share this common tolerance unless otherwise stated Dimensions in mm; 1 inch = 25.4mm
3.6
58
23
25.5
6
51
6.5
0.8
Ø
2
7.2
17.5
± 0.3
± 0.2
± 0.3
± 0.5
± 0.15
+0.2
-0
± 0.1
± 0.1
± 0.2
± 0.1
Tol.*
mm
SIDE
BOTTOM
DRILLINGS
FOR PCB MOUNTING
Choke
≥
1.3
50
16. 2 5
B
LG
E
A
B
LG
E
A
H
I
D
C
K
I
D
C
RF 211-xx/02 RF 211-xx/14
RF 211 RF 211
-xx/02 -xx/14
