Power line chokes
Current-compensated ring core triple chokes
500 / 320 V AC, 13 / 8 A, 3.2 / 6.2 mH, +70 °C
Series/Type:
B82746S
May 2015
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Date:
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
Current-compensated ring core triple chokes
Rated voltage 550 / 320 V AC
Rated inductance 3.2 / 6.2 mH
Rated current 13 / 8 A / +70 °C
Construction
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B82746S
Current-compensated ring core triple choke
Ferrite core with epoxy coating (UL 94-V0)
Additional PET core insulation
Plastic base plate and holder (UL 94-V0)
Sector winding
Clearance and creepage distances 5 mm
Features
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Approx. 0.5 ... 0.65% stray inductance for symmetrical interference suppression
High rated inductance
Suitable for wave soldering
Design complies with EN 60938-2 (VDE 0565-2)
UL 1446 class 155(F) electrical insulation system
RoHS-compatible
Applications
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Suppression of common-mode interferences
Switch-mode power applications
Power inverters
Frequency converters
Terminals
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Ends of winding wires
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Hot-dip tinned
Marking
Product brand, electrical insulation system designation, ordering code,
rated voltages, rated inductance, rated current,
date of manufacture (YYWWD.internal ID code), production place identification code
Delivery mode
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Blister tray in cardboard box
Please read
Cautions and warnings
and
Important notes
at the end of this document.
2
05/15
Power line chokes
Current-compensated frame core triple chokes
Dimensional drawing and layout recommendation
B82746S
Please read
Cautions and warnings
and
Important notes
at the end of this document.
3
05/15
Power line chokes
Current-compensated frame core triple chokes
Technical data and measuring conditions
Rated voltage V
R
Test voltage V
test
Rated temperature T
R
Rated current I
R
Rated inductance L
R
Inductance tolerance
Inductance decrease L/L
0
Stray inductance L
stray,typ
DC resistance R
typ
Solderability (lead-free)
550 / 320 V AC (50/60 Hz)
2000 V AC, 2 s (line/line)
+70 C
Referred to 50 Hz and rated temperature
B82746S
Measured with Agilent 4284A at 10 kHz, 0.1 mA, +20 °C.
Inductance is specified per winding.
–30/+50% at +20 °C
< 10% at DC magnetic bias with I
R
, +20 °C
Measured with Agilent 4284A at 10 kHz, 5 mA, +20 °C,
typical values
Measured at +20 °C, typical values, specified per winding
Sn96.5Ag3.0Cu0.5: +(245 5) °C, (3 0.3) s
Wetting of soldering area 95%
(to IEC 60068-2-20, test Ta)
+(260 5) °C, (10 1) s
(to IEC 60068-2-20, test Tb)
40/125/56 (to IEC 60068-1)
P2 (to IEC 61558-1)
–25 °C … +40 °C,
155 / 175 g
UL1446 Class 155 (F) (E320370)
75% RH
Resistance to soldering heat
(wave soldering)
Climatic category
Pollution degree
Storage conditions (packaged)
Weight
Approvals
Characteristics and ordering codes
I
R
A
8
13
L
R
mH
6.2
3.2
L
stray,typ
H
34
16
R
typ
m
18.0
6.5
Wire Ø
d ±0.1
mm
1.25
1.80
Ordering code
B82746S6702A040
1)
B82746S4143A040
2)
1) Alternative rating: 7 A at +80 °C
2) Alternative rating: 14 A at +60 °C
Please read
Cautions and warnings
and
Important notes
at the end of this document.
4
05/15
Power line chokes
Current-compensated frame core triple chokes
B82746S
Impedance |Z| versus frequency f
measured with windings in parallel at +20 °C
typical values
Current derating I
op
/I
R
versus ambient temperature T
A
Please read
Cautions and warnings
and
Important notes
at the end of this document.
5
05/15
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