B82721J2501N021 查看數據表（PDF） - TDK Corporation

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B82721J2501N021

Power line chokes Current-compensated ring core double chokes

TDK Corporation 

Power line chokes

Current-compensated ring core double chokes

B82721A/J/K

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

B82721A

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

■ UL1) 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

B82721J

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)

B82721K

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):

Ball pressure test (BP to IEC 60695-10-2):

+750 °C, 2 s / +850 °C, 30 s

+125 °C

Please read Cautions and warnings and

Important notes at the end of this document.

2 07/15

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