Page 1
Construction
■ Current-compensated ring core double choke
with ferrite core
■ Polycarbonate case
■ Polyurethane potting
■ Sector winding
Features
■ Case and potting flame-retardant
as per UL 94 V-0
■ High resonance frequency owing
to special winding technique
■ Approx. 1 % stray inductance for symmetrical
interference suppression
Applications
Application Type
Electronic ballasts
in lamps
Switch-mode power supplies
in TV sets
B82721
B82722
B82721 …
B82725
Washing machines B82724
B82725
Power supplies B82724
B82725
Chargers B82725
B82721Chokes for Power Lines
… B82725Current-Compensated Ring Core Double Chokes
Terminals
■ Pins 0,7 × 0,7 mm or 1 × 1 mm (B82725)
■ Pins fitting standard PCB grid
Marking
Ordering code, rated current, rated inductance,
rated voltage (except B82721-K), graphic symbol,
mark of conformity, manufacturer, date of manufacture
Approvals
1)
Marks of conformity Standards
VDE 0565-2
EN 60938-2 (pending)
UL 1283
1) Approvals to EN 60938-2 and UL 1283 pending for B82725-J.
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Page 2
Current-Compensated Ring Core Double Chokes
Dimensional drawings and pin configuration
Horizontal version (B82721-A) Vertical version (B82721-K)
B82721Chokes for Power Lines
0,7 x 0,7
3+0,5
_
12,6 0,8
_
0,42,5
15±0,2
17,9 max.
10±0,2
17,3 max.
SSB0781-J
10±0,2
_
81
15±0,2
5±0,2
18,2 max.
_
1)
0,7 x 0,7
13,2 max.
_
17,3
_
15,5
_
20,3 0,6
9,7 0,5
_
2,7 0,5
SSB0782-S
General technical data
Rated voltage
Test voltage
Rated current
V
R
V
T
I
R
250 Vac
1500 Vac, 2 s (line/line)
Referred to 50 Hz and 60 °C ambient temperature
Inductance tolerance ± 30 %
Weight Approx. 5 g
For further technical data see page 334. For impedance = f (f) see page 355
Characteristics and ordering codes
I
R
A
L
mH
R
L
µH
S, typ
R
mΩ
typ
Ordering code
horizontal version vertical version
0,4 39 450 2000 B82721-A2401-N20 B82721-K2401-N20
0,4 27 270 1700 B82721-A2401-N21 B82721-K2401-N21
0,5 18 260 1500 B82721-A2501-N1 B82721-K2501-N1
0,7 10 90 600 B82721-A2701-N20 B82721-K2701-N20
1,2 6,8 70 280 B82721-A2122-N20 B82721-K2122-N20
1,5 3,3 37 190 B82721-A2152-N1 B82721-K2152-N1
2,0 1,0 13 90 B82721-A2202-N1 B82721-K2202-N1
2,6 0,4 6 60 B82721-A2262-N1 B82721-K2262-N1
3,6 0,4 6 35 B82721-A2362-N1 B82721-K2362-N1
3+0,5
1) Vertical version with lead spacing 5 mm × 10 mm upon request.
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Page 3
Current-Compensated Ring Core Double Chokes
Dimensional drawings and pin configuration
Horizontal version (B82722-A) Vertical version (B82722-J)
_
0,42,5
_
0,42,5
B82722Chokes for Power Lines
10±0,2
0,7 x 0,7
3,6±0,4
_
13,3 0,8
12,5±0,2
22,3 max.
20±0,2
22,7 max.
SSB0928-B
0,7 x 0,7
4+1
_
25,4 0,8
12,5±0,2
16,1 max.
General technical data
Rated voltage
Test voltage
Rated current
V
R
V
T
I
R
250 Vac
1500 Vac, 2 s (line/line)
Referred to 50 Hz and 60 °C ambient temperature
Inductance tolerance ± 30 %
Weight Approx. 10 g
For further technical data see page 334. For impedance = f (f) see page 355
Characteristics and ordering codes
I
R
A
L
mH
R
L
S, typ
µH
R
mΩ
typ
Ordering code
horizontal version vertical version
0,3 47 760 2500 B82722-A2301-N1 B82722-J2301-N1
0,5 27 430 1200 B82722-A2501-N1 B82722-J2501-N1
1 10 140 480 B82722-A2102-N1 B82722-J2102-N1
2 2,2 30 130 B82722-A2202-N1 B82722-J2202-N1
3 1,2 17 56 B82722-A2302-N1 B82722-J2302-N1
23,3 max.
SSB0929-J
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Page 4
Current-Compensated Ring Core Double Chokes
Dimensional drawings and pin configuration
Horizontal version (B82723-A) Vertical version (B82723-J)
0,7 x 0,7
4+1
_
0,816,8
_
0,42,5
25±0,2
28 max.
15±0,2
27 max.
0,7 x 0,7
4+1
_
0,42,5
_
30,5 0,8
B82723Chokes for Power Lines
12,5±0,2
28 max.
15±0,2
18,6 max.
SSB0930-M
SSB0931-V
General technical data
Rated voltage
Test voltage
Rated current
V
R
V
T
I
R
250 Vac
1500 Vac, 2 s (line/line)
Referred to 50 Hz and 60 °C ambient temperature
Inductance tolerance ± 30 %
Weight Approx. 20 g
For further technical data see page 334. For impedance = f (f) see page 355
Characteristics and ordering codes
I
R
A
L
mH
R
L
S, typ
µH
R
mΩ
typ
Ordering code
horizontal version vertical version
0,5 56 870 2200 B82723-A2501-N1 B82723-J2501-N1
1 27 440 750 B82723-A2102-N1 B82723-J2102-N1
2 5,6 80 160 B82723-A2202-N1 B82723-J2202-N1
4 2,7 30 60 B82723-A2402-N1 B82723-J2402-N1
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Page 5
Dimensional drawings and pin configuration
Horizontal version (B82724-A) Vertical version (B82724-J)
_
0,43
_
0,42,5
B82724-AChokes for Power Lines
B82724-JCurrent-Compensated Ring Core Double Chokes
12,5±0,2
0,7 x 0,7
4+1
_
19,7 0,8
20±0,2
32,6 max.
30±0,2
33,1 max.
SSB0932-4
0,7 x 0,7
4+1
_
33,2 0,5
27±0,4
15±0,2
General technical data
Rated voltage
Test voltage
Rated current
V
R
V
T
I
R
250 Vac
1500 Vac, 2 s (line/line)
Referred to 50 Hz and 60 °C ambient temperature
Inductance tolerance ± 30 %
Weight Approx. 25 g
For further technical data see page 334. For impedance = f (f) see page 356
Characteristics and ordering codes
I
R
A
L
mH
R
L
S, typ
µH
R
mΩ
typ
Ordering code
horizontal version vertical version
0,5 82 1000 2700 B82724-A2501-N1 B82724-J2501-N1
1 33 420 810 B82724-A2102-N1 B82724-J2102-N1
1,4 27 310 500 B82724-A2142-N1 B82724-J2142-N1
2 6,8 80 190 B82724-A2202-N1 B82724-J2202-N1
4 3,3 40 66 B82724-A2402-N1 B82724-J2402-N1
31,3 max.
18,5 max.
SSB1406-P
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Page 6
Current-Compensated Ring Core Double Chokes
Dimensional drawings and pin configuration
General technical data
B82724-BChokes for Power Lines
Rated voltage
Test voltage
Rated current
V
R
V
T
I
R
250 Vac
1500 Vac, 2 s (line/line)
Referred to 50 Hz and 60 °C ambient temperature
Inductance tolerance ± 30 %
Weight Approx. 40 g
For further technical data see page 334. For impedance = f (f) see page 356
Characteristics and ordering codes
I
R
A
L
mH
R
L
S, typ
µH
R
mΩ
typ
Ordering code
1 47 550 880 B82724-B2102-N1
2 10 110 230 B82724-B2202-N1
4 3,9 40 58 B82724-B2402-N1
6 1,8 16 23 B82724-B2602-N1
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Page 7
Current-Compensated Ring Core Double Chokes
Dimensional drawings and pin configuration
General technical data
B82725-AChokes for Power Lines
Rated voltage
Test voltage
Rated current
V
R
V
T
I
R
250 Vac
1500 Vac, 2 s (line/line)
Referred to 50 Hz and 60 °C ambient temperature
Inductance tolerance ± 30 %
Weight Approx. 60 g
For further technical data see page 334. For impedance = f (f) see page 356
Characteristics and ordering codes
I
R
A
L
mH
R
L
S, typ
µH
R
mΩ
typ
Ordering code
1)
1 68 900 1300 B82725-A2102-N1
2 18 230 350 B82725-A2202-N1
4 6,8 80 87 B82725-A2402-N1
6 3,9 45 41 B82725-A2602-N1
8 2,7 30 22 B82725-A2802-N1
10 1,8 20 14 B82725-A2103-N1
1) Chokes with 8 pins upon request.
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Page 8
Current-Compensated Ring Core Double Chokes
Dimensional drawings and pin configuration
_
0,23
17,5±0,2
B82725-JChokes for Power Lines
1,0
3+0,5
35±0,4
40 max.
21,5 max.
12,5±0,2
40,4 max.
10
SSB1384-P
General technical data
Rated voltage
Test voltage
Rated current
V
R
V
T
I
R
250 Vac
1500 Vac, 2 s (line/line)
Referred to 50 Hz and 60 °C ambient temperature
Inductance tolerance ± 30 %
Weight Approx. 50 g
For further technical data see page 334. For impedance = f (f) see page 356
Characteristics and ordering codes
I
R
A
L
mH
R
L
S, typ
µH
R
mΩ
typ
Ordering code
1 68 590 1050 B82725-J2102-N20
2 18 170 270 B82725-J2202-N20
4 6,8 60 77 B82725-J2402-N20
6 3,9 34 34 B82725-J2602-N20
8 2,7 26 20 B82725-J2802-N20
10 1,8 18 13 B82725-J2103-N22
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Page 9
B82721Chokes for Power Lines
… B82723Current-Compensated Ring Core Double Chokes
Impedance |Z| versus frequency
(measured with windings in parallel)
B82721-
∗
B82722-
∗
∗
= A or K
∗
= A or J
f
B82721-
∗
B82723-
∗
∗
= A or K
∗
= A or J
355 04/00
Page 10
B82724Chokes for Power Lines
B82725Current-Compensated Ring Core Double Chokes
Impedance |Z| versus frequency
(measured with windings in parallel)
B82724-
∗
∗
= A or J
B82725-A
f
B82724-B
B82725-J
10
6
SSB1401-I
Ω
Z
5
10
4
10
3
10
2
10
1
10
356 04/00
10
-J2102-N20
-J2202-N20
-J2402-N20
-J2602-N20
-J2802-N20
-J2103-N22
4
10
5
67
10
10Hz
f
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