B82721 Datasheet, PDF (1/10 Pages) EPCOS – Chokes for Power Lines Current-Compensated Ring Core Double Chokes

Chokes for Power Lines
Current-Compensated Ring Core Double Chokes
Construction
s Current-compensated ring core double choke
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
Type
B82721
B82722
B82721 …
B82725
B82724
B82725
B82724
B82725
B82725
Terminals
s Pins 0,7 × 0,7 mm or 1 × 1 mm (B82725)
s 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
Approvals¹⁾
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
B82721
… B82725