B82791-H Datasheet, PDF (1/3 Pages) EPCOS – Chokes for Power Lines Current-Compensated Ring Core Double Chokes

Chokes for Power Lines
Current-Compensated Ring Core Double Chokes
Rated voltage 250 Vac
Rated current 0,25 to 0,7 A
Rated inductance 4,7 to 47 mH
Construction
s Current-compensated ring core double choke
with ferrite core
s Polycarbonate case
s Without potting
s Sector winding
Features
s Vertical and horizontal versions
s Case flame-retardant as per UL 94 V-0
s High resonance frequency owing to special
winding technique and omission of potting
s > 1 % stray inductance for symmetrical
interference suppression
Applications
s Compact and narrow electronic lamp ballasts
s Telecom applications such as NTBA, PCMx
s Integrated power supplies for video recorders,
portable TVs, SAT receivers, set-top boxes,
video-on-demand
s Automation, e.g. sensor modules with integrated
power supplies
s Electronic transformers, e.g. for halogen lamps
s Plug-in and portable power supplies and chargers
for cellular and cordless phones
s Compact, modular and desktop power supplies
Terminals
s Fitting PCB standard grid
Marking
Ordering code, rated current, rated inductance,
rated voltage, manufacturer, date of manufacture
Approvals
Approval marks
Standards
EN 60938-2
UL 1283
341 04/00
B82791-H
B82791-G