Datasheet

ManualsBrandsEPCOS ManualsFiltersInterference Filter, Wired 39 mH (2x) 0.4 A (2x)

347 04/00

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

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) Approvals to EN 60938-2 and UL 1283 pending for B82725-J.

Application Type

Electronic ballasts

in lamps

B82721

B82722

Switch-mode power supplies

in TV sets

B82721 …

B82725

Washing machines B82724

B82725

Power supplies B82724

B82725

Chargers B82725

Marks of conformity Standards

VDE 0565-2

EN 60938-2 (pending)

UL 1283

B82721Chokes for Power Lines

… B82725Current-Compensated Ring Core Double Chokes

Summary of content (10 pages)

PAGE 1
Chokes for Power Lines B82721 Current-Compensated Ring Core Double Chokes 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.
PAGE 2
Chokes for Power Lines B82721 Current-Compensated Ring Core Double Chokes Dimensional drawings and pin configuration Horizontal version (B82721-A) Vertical version (B82721-K) 2,5 _ 0,4 13,2 max. 1) SSB0781-J 3+0,5 9,7 _ 0,5 2,7 _ 0,5 7,3 _ 1 20,3 _ 0,6 18,2 max. 5,5 _ 1 10±0,2 17,3 max. 8 _1 12,6 _ 0,8 10±0,2 15±0,2 3+0,5 17,9 max.
PAGE 3
Chokes for Power Lines B82722 Current-Compensated Ring Core Double Chokes Dimensional drawings and pin configuration Horizontal version (B82722-A) Vertical version (B82722-J) 2,5 _ 0,4 10±0,2 12,5±0,2 3,6±0,4 13,3 _ 0,8 4+1 25,4 _ 0,8 23,3 max. 0,7 x 0,7 20±0,2 22,7 max. 0,7 x 0,7 2,5 _ 0,4 12,5±0,2 22,3 max. 16,1 max.
PAGE 4
Chokes for Power Lines B82723 Current-Compensated Ring Core Double Chokes Dimensional drawings and pin configuration Horizontal version (B82723-A) Vertical version (B82723-J) 2,5 _ 0,4 15±0,2 4+1 16,8 _ 0,8 28 max. 12,5±0,2 0,7 x 0,7 25±0,2 28 max. 0,7 x 0,7 2,5 _ 0,4 4+1 30,5 _ 0,8 27 max. 15±0,2 18,6 max.
PAGE 5
Chokes for Power Lines B82724-A Current-Compensated Ring Core Double Chokes B82724-J Dimensional drawings and pin configuration Horizontal version (B82724-A) Vertical version (B82724-J) 3 _ 0,4 33,2 _ 0,5 31,3 max. 12,5±0,2 4+1 20±0,2 19,7 _ 0,8 27±0,4 0,7 x 0,7 30±0,2 4+1 33,1 max. 0,7 x 0,7 2,5 _ 0,4 15±0,2 18,5 max. 32,6 max.
PAGE 6
Chokes for Power Lines B82724-B Current-Compensated Ring Core Double Chokes Dimensional drawings and pin configuration General technical data Rated voltage VR 250 Vac Test voltage VT 1500 Vac, 2 s (line/line) Rated current IR Referred to 50 Hz and 60 °C ambient temperature Inductance tolerance ± 30 % Weight Approx. 40 g For further technical data see page 334.
PAGE 7
Chokes for Power Lines B82725-A Current-Compensated Ring Core Double Chokes Dimensional drawings and pin configuration General technical data Rated voltage VR 250 Vac Test voltage VT 1500 Vac, 2 s (line/line) Rated current IR Referred to 50 Hz and 60 °C ambient temperature Inductance tolerance ± 30 % Weight Approx. 60 g For further technical data see page 334.
PAGE 8
Chokes for Power Lines B82725-J Current-Compensated Ring Core Double Chokes Dimensional drawings and pin configuration 3 _ 0,2 3+0,5 40 max. 40,4 max. 35±0,4 1,0 12,5±0,2 17,5±0,2 10 21,5 max. SSB1384-P General technical data Rated voltage VR 250 Vac Test voltage VT 1500 Vac, 2 s (line/line) Rated current IR Referred to 50 Hz and 60 °C ambient temperature Inductance tolerance ± 30 % Weight Approx. 50 g For further technical data see page 334.
PAGE 9
Chokes for Power Lines B82721 Current-Compensated Ring Core Double Chokes Impedance |Z | versus frequency f (measured with windings in parallel) B82721-∗ ∗ = A or K B82721-∗ ∗ = A or K B82722-∗ ∗ = A or J B82723-∗ ∗ = A or J 355 04/00 … B82723
PAGE 10
Chokes for Power Lines B82724 Current-Compensated Ring Core Double Chokes B82725 Impedance |Z | versus frequency f (measured with windings in parallel) B82724-∗ ∗ = A or J B82724-B B82725-A B82725-J SSB1401-I 10 6 Ω Z 10 5 10 4 -J2102-N20 -J2202-N20 -J2402-N20 -J2602-N20 -J2802-N20 -J2103-N22 10 3 10 2 10 1 4 10 356 04/00 10 5 10 6 Hz 10 7 f