B82720A

Power line chokes Current-compensated ring core double chokes 250 V AC, 0.3 … 2 A, 1.1 … 22 mH Series/Type: B82720A/K October 2008 7f…fÁRspp… 7f…fÁRspp… Date: © EPCOS AG 2008. Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without EPCOS’ prior express consent is prohibited. Power line chokes Current-compensated ring core double chokes Rated voltage 250 V AC Rated current 0.3 A to 2 A Rated inductance 1.1 mH to 22 mH Construction ■ ■ ■ ■ ■ B82720A/K Current-compensated ring core double choke Ferrite core Polycarbonate case (UL 94 V-0) Polyurethane potting (UL 94 V-0) Sector winding B82720A 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) ■ RoHS-compatible B82720K Applications ■ Suppression of common-mode interferences ■ Compact electronic ballasts in lamps ■ Compact switch-mode power applications Terminals ■ ■ ■ ■ ■ Base material CuNi18Zn20 Layer composition Ni, Sn Hot-dipped Pins 0.5 × 0.5 (mm), ∅ 0.6 mm Pins in the lead spacing 10 × 7.5 (mm) or 10 × 10 (mm) Marking Manufacturer, ordering code, rated inductance, rated current, graphic symbol, rated voltage, date of manufacture (YYWWD) Delivery mode Cardboard box Please read C autions and warnings and Important notes at the end of this document. 2 10/08 Power line chokes Current-compensated ring core double chokes Dimensional drawings and pin configurations Horizontal version (B82720A) 10±0.4 2±0.2 1 B82720A/K Vertical version (B82720K) 13±0.3 10±0.2 1 2 4 3 7.6 _ 0.3 3 2 14.2 max. 10±0.4 ø0.6 2 3 14.2 max. 4 9.6 max. _ 0.5 3 +0.2 7.5±0.2 9.5 _ 0.4 + 4 14±0.3 1.5±0.1 1 2 4 3 IND0249-B Tolerances to ISO 2768-M unless otherwise noted. Dimensions in mm Technical data and measuring conditions Rated voltage VR Test voltage Vtest Rated temperature TR Rated current IR Rated inductance LR Inductance tolerance Inductance decrease ΔL/L0 Stray inductance Lstray,typ DC resistance Rtyp Solderability (lead-free) 3.5 _ 0.5 0.5 5±0.2 250 V AC (50/60 Hz) 1500 V AC, 2 s (line/line) 40 °C Referred to 50 Hz and rated temperature Measured with Agilent 4284A at 10 kHz, 0.1 mA, 20 °C Inductance is specified per winding. –30/+50% at 20 °C