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
EPCOS [ EPCOS ]
