Power line chokes
Current-compensated D core double chokes
Rated voltage 250 V AC
Rated current 0.35 A to 1.8 A
Rated inductance 3.3 mH to 100 mH
Construction
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B82731M/H
Current-compensated double choke
Closed rectangular ferrite core
Closed polycarbonate coil former (UL 94 V-0)
Without encapsulation
2-section winding
Clearance and creepage distances > 3 mm
B82731M
Features
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High resonance frequency due to 2-section winding
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Approx. 1% stray inductance for symmetrical
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interference suppression
Low leakage due to closed core shape
High pulse strength
Low whirring noise
Suitable for wave soldering
Design complies with EN 60938-2 (VDE 0565-2)
UL and VDE approvals
Recyclable owing to omission of encapsulation and glue
RoHS-compatible
B82731H
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
Layer composition Ni, Sn
Hot-dipped
Pins 0.6
×
0.6 (mm)
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
Please read
Cautions and warnings
and
Important notes
at the end of this document.
2
10/08
EPCOS [ EPCOS ]
