Power line chokes
Current-compensated ring core double chokes
250 V AC / 800 V DC, 0.5 … 47 mH, 1.6 … 10 A, +70 °C
Series/Type:
Date:
B82724J8*N
May 2018
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EPCOS AG 2018. 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 double chokes
Rated voltage 250 V AC / 800 V DC
Rated inductance 0.5 ... 47 mH
Rated current 1.6 ... 10 A / +70 °C
Construction
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B82724J8*N
Current-compensated ring core double chokes
Ferrite core with epoxy coating (UL 94 V-0)
Plastic case with in-molded pins (UL 94 V-0)
1)
Full potting (UL 94 V-0, CTI600)
Sector winding
Insulation distances inside potting >2.5 mm
Features
High resonance frequency due to special winding technique
Approx. 0.5% stray inductance for symmetrical interference suppression
Significantly increased nominal inductance and current values at high rated temperature
Completely potted for local reduction of pollution degree (micro environment)
and thermal stability
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Suitable for wave soldering
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Design complies with EN 60938-2 (VDE 0565-2)
2)
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RoHS-compatible
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Applications
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Suppression of common-mode interferences
Switch-mode power applications
High voltage applications
Frequency converters
Terminals
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Base material CuNi18Zn290
Layer composition Ni, Sn
Hot-dipped
Pins 0.7 mm x 0.7 mm
Lead spacing 15 mm x 12.5 mm
Marking
Product brand, ordering code, graphic symbol, rated current, rated DC voltage, rated inductance,
date of manufacture (YYWWD.internal ID code), production place identification code
Delivery mode
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Blister tray in cardboard box
1) Additionally certified values:
Glow wire flammability index (GWFI to IEC 60695-2-12):
Glow wire ignition temperature (GWIT to IEC 60695-2-13):
Comparative tracking index (CTI to IEC 60112):
Ball pressure test (BP to IEC 60695-10-2):
2) For AC power-line applications only.
+850 °C
+775 °C
175 V
+125 °C
Please read
Cautions and warnings
and
Important notes
at the end of this document.
2
05/18
Power line chokes
Current-compensated ring core double chokes
Dimensional drawings and pin configurations
B82724J8*N
Please read
Cautions and warnings
and
Important notes
at the end of this document.
3
05/18
Power line chokes
Current-compensated ring core double 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
250 V AC (50 / 60 Hz) / 800 V DC
2000 V AC, 2 s (line/line)
+70 °C
Referred to 50 Hz and rated temperature
B82724J8*N
Measured with Agilent 4284A at 0.1 mA, +20 °C
Measuring frequency: L
R
1 mH: f = 100 kHz
L
R
> 1 mH: f = 10 kHz
Inductance is specified per winding
30% at +20 °C
< 10% at DC magnetic bias with I
R
, +20 °C
Measured with Agilent 4284A at 5 mA, +20 °C,
typical values
Measuring frequency: L
R
1 mH: f = 100 kHz
L
R
> 1 mH: f = 10 kHz
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)
–25 °C … +40 °C,
Approx. 35 g
75% RH
Inductance tolerance
Inductance decrease L/L
0
Stray inductance L
stray,typ
DC resistance R
typ
Solderability (lead-free)
Resistance to soldering heat
(wave soldering)
Climatic category
Storage conditions (packaged)
Weight
Please read
Cautions and warnings
and
Important notes
at the end of this document.
4
05/18
Power line chokes
Current-compensated ring core double chokes
Characteristics and ordering codes
I
R
A
1.6
2.0
2.5
3.0
3.2
4.3
4.8
5.3
6.1
6.7
7.4
10.0
L
R
mH
47
33
22
15
10
6.8
4.7
3.3
1.5
2.2
1.0
0.5
L
stray,typ
H
150.0
110.0
75.0
45.0
34.0
30.0
15.5
17.0
6.0
8.0
5.0
3.0
R
typ
m
295
200
135
90
80
40
32
26
14
17
12
9
B82724J8162N040
B82724J8202N040
B82724J8252N040
B82724J8302N040
B82724J8322N040
B82724J8432N040
B82724J8482N040
B82724J8532N040
B82724J8612N040
B82724J8672N040
B82724J8742N040
B82724J8103N040
Ordering code
B82724J8*N
Please read
Cautions and warnings
and
Important notes
at the end of this document.
5
05/18
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