Document
www.DataSheet4U.com
Chokes for Power Lines Current-Compensated Ring Core Double Chokes
Construction
s Current-compensated ring core double choke
B82721 … B82725
with ferrite core
s Polycarbonate case s Polyurethane potting s Sector winding
Features
s Case and potting flame-retardant
as per UL 94 V-0
s High resonance frequency owing
to special winding technique
s Approx. 1 % stray inductance for symmetrical
interference suppression Applications Application Electronic ballasts in lamps Switch-mode power supplies in TV sets Washing machines Power supplies Chargers Terminals
s Pins 0,7 × 0,7 mm or 1 × 1 mm (B82725) s Pins fitting standard PCB grid
Type B82721 B82722 B82721 … B82725 B82724 B82725 B82724 B82725 B82725
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.
347 04/00
Chokes for Power Lines Current-Compensated Ring Core Double Chokes
Dimensional drawings and pin configuration Horizontal version (B82721-A)
2,5 _ 0,4
17,9 max.
B82721
Vertical version (B82721-K)
15±0,2 5±0,2
3+0,5
12,6 _ 0,8
10±0,2 17,3 max.
18,2 max. 7,3 _ 1 9,7 _ 0,5
13,2 max. 5,5 _ 1 20,3 _ 0,6
0,7 x 0,7
15±0,2
10±0,2
SSB0781-J
1) 0,7 x 0,7
2,7 _ 0,5
SSB0782-S
General technical data Rated voltage VR Test voltage VT Rated current IR Inductance tolerance Weight 250 Vac 1500 Vac, 2 s (line/line) Referred to 50 Hz and 60 °C ambient temperature ± 30 % Approx. 5 g
For further technical data see page 334. For impedance = f (f ) see page 355 Characteristics and ordering codes
IR A
0,4 0,4 0,5 0,7 1,2 1,5 2,0 2,6 3,6
LR mH
39 27 18 10 6,8 3,3 1,0 0,4 0,4
LS, typ µH
450 270 260 90 70 37 13 6 6
Rtyp mΩ
2000 1700 1500 600 280 190 90 60 35
Ordering code horizontal version B82721-A2401-N20 B82721-A2401-N21 B82721-A2501-N1 B82721-A2701-N20 B82721-A2122-N20 B82721-A2152-N1 B82721-A2202-N1 B82721-A2262-N1 B82721-A2362-N1
vertical version B82721-K2401-N20 B82721-K2401-N21 B82721-K2501-N1 B82721-K2701-N20 B82721-K2122-N20 B82721-K2152-N1 B82721-K2202-N1 B82721-K2262-N1 B82721-K2362-N1
1) Vertical version with lead spacing 5 mm × 10 mm upon request.
348 04/00
3+0,5
8 _1
Chokes for Power Lines Current-Compensated Ring Core Double Chokes
Dimensional drawings and pin configuration Horizontal version (B82722-A)
2,5 _ 0,4
B82722
Vertical version (B82722-J)
2,5 _ 0,4
0,7 x 0,7
10±0,2 0,7 x 0,7
4+1 25,4 _ 0,8 12,5±0,2 16,1 max.
3,6±0,4 13,3 _ 0,8
12,5±0,2 22,3 max.
SSB0928-B
22,7 max.
SSB0929-J
General technical data Rated voltage VR Test voltage VT Rated current IR Inductance tolerance Weight 250 Vac 1500 Vac, 2 s (line/line) Referred to 50 Hz and 60 °C ambient temperature ± 30 % Approx. 10 g
For further technical data see page 334. For impedance = f (f ) see page 355
Characteristics and ordering codes
IR.