2

07/12

Please read Cautions and warnings and

Important notes at the end of this document.

Rated voltage 250 V AC

Rated current 0.35 ... 1.8 A

Rated inductance 3.3 ... 100 mH

Construction

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Current-compensated double choke

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Closed rectangular ferrite core

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Closed polycarbonate coil former (UL 94 V-0)

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Without encapsulation

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2-section winding

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Clearance and creepage distances

 3 mm

Features

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High resonance frequency due to 2-section winding

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Approx. 1% stray inductance for symmetrical

interference suppression

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Low leakage due to closed core shape

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High pulse strength

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Low whirring noise

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Suitable for wave soldering

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Design complies with EN 60938-2 (VDE 0565-2) and UL 1283

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Recyclable owing to omission of encapsulation and glue

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RoHS-compatible

Applications

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Suppression of common-mode interferences

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Compact switch-mode power applications

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Electronic ballasts in lamps

Terminals

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Base material CuNi18Zn20

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Layer composition Ni, Sn

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Hot-dipped

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Pins 0.6

 0.6 (mm)

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Lead spacing 10

 12.5 (mm)

Marking

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B82731M: Manufacturer, rated inductance, rated current,

ordering code, approval symbols, date of manufacture (WWYY)

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B82731H: Manufacturer, ordering code

Delivery mode

Blister tray in cardboard box

1) UL approval with 300 V AC.

B82731M

B82731H

B82731M/H

Power line chokes

Current-compensated D core double chokes