Power line chokes
Current-compensated E core double chokes
250 V AC, 0.3 1.8 A, 3.3 100 mH, +40 C
Series/Type: B82731T
Date: July 2012
a~~=pa~~=p
EPCOS AG 2015. Reproduction, publication and dissemination of this publication, enclosures hereto and the
information contained therein without EPCOS' prior express consent is prohibited.
EPCOS AG is a TDK Group Company.Power line chokes B82731T
Current-compensated E core double chokes
Rated voltage 250 V AC
Rated current 0.3 ... 1.8 A
Rated inductance 3.3 ... 100 mH
Construction
Current-compensated double choke
Closed E ferrite core
Closed PET coil former with 4 sections (UL 94 V-0)
Without encapsulation
4-section winding
Clearances 2.5 mm, creepage distances 3 mm
Features
High resonance frequency due to 2-section winding
High pulse strength
Low whirring noise
Approx. 2% stray inductance for symmetrical
interference suppression
Suitable for wave soldering
Design complies with EN 60938-2 (VDE 0565-2) and UL 1283
UL and ENEC (VDE) approvals
RoHS-compatible
Applications
Suppression of common-mode interferences
Electronic ballasts for lamps
Switch-mode power supplies for consumer electronics
Terminals
Pins 0.64 0.64 (mm)
Lead spacing 10 10 (mm)
Marking
Manufacturer, rated current, rated inductance,
approvals, pin 1 marking, ordering code,
date of manufacture (YYWW), production place
Delivery mode
Blister tray in cardboard box
Please read Cautions and warnings and
2 07/12
Important notes at the end of this document.