B82721 EPCOS [EPCOS], B82721 Datasheet

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B82721

Manufacturer Part Number
B82721
Description
Chokes for Power Lines Current-Compensated Ring Core Double Chokes
Manufacturer
EPCOS [EPCOS]
Datasheet

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Construction
Features
Applications
Application
Electronic ballasts
in lamps
Switch-mode power supplies
in TV sets
Washing machines
Power supplies
Chargers
Terminals
Marking
Ordering code, rated current, rated inductance,
rated voltage (except B82721-K), graphic symbol,
mark of conformity, manufacturer, date of manufacture
Approvals
Marks of conformity
1) Approvals to EN 60938-2 and UL 1283 pending for B82725-J.
Chokes for Power Lines
Current-Compensated Ring Core Double Chokes
Current-compensated ring core double choke
with ferrite core
Polycarbonate case
Polyurethane potting
Sector winding
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
Pins 0,7
Pins fitting standard PCB grid
1)
0,7 mm or 1
Standards
VDE 0565-2
EN 60938-2 (pending)
UL 1283
1 mm (B82725)
Type
B82721
B82722
B82721 …
B82725
B82724
B82725
B82724
B82725
B82725
347
04/00
… B82725
B82721

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B82721 Summary of contents

Page 1

... Power supplies Chargers Terminals Pins 0,7 0 (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 1) Approvals 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. ...

Page 2

... Vertical version with lead spacing 5 mm Vertical version (B82721-K) 15±0,2 5±0,2 18,2 max SSB0781-J 0,7 x 0,7 250 Vac 1500 Vac (line/line) Referred and 60 C ambient temperature 30 % Approx 334. For impedance = see page 355 R Ordering code ...

Page 3

Chokes for Power Lines Current-Compensated Ring Core Double Chokes Dimensional drawings and pin configuration Horizontal version (B82722-A) _ 2,5 0,4 12,5±0,2 3,6±0,4 _ 13,3 0,8 22,3 max. General technical data Rated voltage V R Test voltage V T Rated current ...

Page 4

Chokes for Power Lines Current-Compensated Ring Core Double Chokes Dimensional drawings and pin configuration Horizontal version (B82723-A) _ 2,5 0,4 15±0,2 4+1 _ 16,8 0,8 27 max. General technical data Rated voltage V R Test voltage V T Rated current ...

Page 5

Chokes for Power Lines Current-Compensated Ring Core Double Chokes Dimensional drawings and pin configuration Horizontal version (B82724- 0,4 4+1 20±0,2 _ 19,7 0,8 32,6 max. General technical data Rated voltage V R Test voltage V T Rated current ...

Page 6

Chokes for Power Lines Current-Compensated Ring Core Double Chokes Dimensional drawings and pin configuration General technical data Rated voltage V R Test voltage V T Rated current I R Inductance tolerance Weight For further technical data see page Characteristics and ...

Page 7

Chokes for Power Lines Current-Compensated Ring Core Double Chokes Dimensional drawings and pin configuration General technical data Rated voltage V R Test voltage V T Rated current I R Inductance tolerance Weight For further technical data see page Characteristics and ...

Page 8

Chokes for Power Lines Current-Compensated Ring Core Double Chokes Dimensional drawings and pin configuration _ 3 0,2 3+0,5 40 max. General technical data Rated voltage V R Test voltage V T Rated current I R Inductance tolerance Weight For further ...

Page 9

... Chokes for Power Lines Current-Compensated Ring Core Double Chokes Impedance | Z | versus frequency f (measured with windings in parallel) B82721 B82722 B82721 B82723 355 04/00 B82721 … B82723 ...

Page 10

Chokes for Power Lines Current-Compensated Ring Core Double Chokes Impedance | Z | versus frequency f (measured with windings in parallel) B82724 B82725-A B82724-B B82725 -J2102-N20 -J2202-N20 3 10 ...

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