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B82721

EPCOS
Part Number B82721
Manufacturer EPCOS
Description (B82721 - B82725) Chokes
Published Sep 10, 2007
Detailed Description www.DataSheet4U.com Chokes for Power Lines Current-Compensated Ring Core Double Chokes Construction s Current-compensate...
Datasheet PDF File B82721 PDF File

B82721
B82721

Overview
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-A2...


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