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Please read Cautions and warnings and
Important notes at the end of this document.
Rated voltage 250 V AC
Rated inductance 0.2 ... 47 mH
Rated current 0.3 ... 6 A / +40 °C, +50 °C, +60 °C, +70 °C
Construction
■ Current-compensated ring core double choke
■ Ferrite core wih epoxy coating (UL 94 V-0)
■ Plastic case (UL 94 V-0)
■ Potting (UL 94 V-0)
■ Sector winding
Features
■ High resonance frequency due 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) and UL 1283
■ UL
1)
and /or ENEC (VDE) approvals
■ Construction approved to EN 60335-1 (VDE 0700-1)
2)
■ RoHS-compatible
Applications
■ Suppression of common-mode interferences
■ Switch-mode power applications
■ Electronic ballasts in lamps
■ Power inverters
Terminals
■ Base material CuNi18Zn20
■ Layer composition Ni, Sn
■ Hot-dipped
■ Pins 0.7 u 0.7 (mm)
■ Lead spacing 10 u 5 (mm) or 10 u 15 (mm)
Marking
■ Product brand, approval signs and VDE standard number, ordering code, graphic symbol, rated
current, rated voltage, rated inductance, date of manufacture (YYWWD.internal ID code)
Delivery mode
■ Blister tray in cardboard box
1) UL approval with 300 V AC
2) Certified values:
Glow wire test (GWT to IEC 60695-2-11): +750 °C, 2 s / +850 °C, 30 s
Ball pressure test (BP to IEC 60695-10-2): +125 °C
B82721A/J/KPower line chokes
Current-compensated ring core double chokes
