Power line chokes
Current-compensated ring core double chokes
Rated voltage 250 V AC
Rated current 0.3 A to 6 A
Rated inductance 0.2 mH to 47 mH
Construction
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B82721A/J/K
Current-compensated ring core double choke
Ferrite core
Polycarbonate case (UL 94 V-0)
Polyurethane potting (UL 94 V-0)
Sector winding
B82721A
Features
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High resonance frequency due
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to special winding technique
Approx. 1% stray inductance
for symmetrical interference suppression
Suitable for wave soldering
Design complies with EN 60938-2 (VDE 0565-2)
UL and/or VDE approvals
RoHS-compatible
B82721J
Applications
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Suppression of common-mode interferences
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Electronic ballasts in lamps
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Switch-mode power supplies
Terminals
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Base material CuNi18Zn20
Layer composition Ni, Sn
Hot-dipped
Pins 0.7
×
0.7 mm
Lead spacing 10
×
5 (mm) or 10
×
15 (mm)
B82721K
Marking
Manufacturer, approval signs and/or VDE standard number,
ordering code, graphic symbol, rated current, rated voltage,
rated inductance, date of manufacture (YYWWD)
Delivery mode
Blister tray in cardboard box
Please read
Cautions and warnings
and
Important notes
at the end of this document.
2
10/08
EPCOS [ EPCOS ]
