1
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Rated voltage 42 VAC/80 VDC
Rated current 0.2 to 0.7 A
Rated inductance 4.7 to 68 mH
Construction
Current-compensated ring core double choke with ferrite core
Plastic case
Features
Case flame-retardant as per UL 94 V-0
Suitable for automatic insertion
Applications
Telecom switching systems
Terminal systems
Measuring and control lines
Terminals
Pins fitting standard PCB grid
Marking
Ordering code, rated inductance,
manufacturer, date of manufacture (month, year)
Dimensional drawing
IND0212-V
0,3
7,6
_
5±0,2
0,5 x 0,5
1,5
3,5
0,5
_
14±0,3
7,5±0,2
0,4
_
9,5
10±0,2
13±0,3
B82720-H15
Chokes for data and signal lines
Double chokes
2
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General technical data
Characteristics and ordering codes
Impedance |Z |
versus frequency f
Rated voltage V
R
42 VAC (50/60 Hz); 80 VDC
Rated current I
R
Referred to 50 Hz and 60
°C ambient temperature
Rated inductance L
R
Measured with HP 4275A at 10 kHz and 0.1 mA
(specified per winding)
Inductance tolerance
30%/+50%
Inductance decrease
L/L
0
<10% at DC magnetic bias with I
R
Stray inductance L
S
Measured at 10 kHz and 5 mA
DC resistance R
typ
Typical values, measured at 20
°C ambient temperature
Climatic category
40/125/56 (40
°C/+125 °C/56 days damp heat test)
in accordance with IEC 60068-1
Weight
Approx. 2 g
L
R
mH
L
S, typ
µH
I
R
mA
R
typ
V
test
VDC, 2 s
Ordering code
4.7
0.9
700
0.5
750
B82720H0015A016
10
1.2
600
0.7
750
B82720H0015A025
28
1.8
400
1.2
750
B82720H0015A028
47
2.0
300
2.7
750
B82720H0015A030
68
3.0
200
3.3
750
B82720H0015A035
IND0213-6
10
2
10
f
4
Z
| |
10
3
10
4
10
5
10
5
10
6
10
7
Hz
H0015A035
H0015A030
H0015A028
H0015A025
H0015A016
B82720
_
_
_
_
_
B82720-H15
Chokes for data and signal lines
Double chokes
3
01/05
Published by EPCOS AG
Corporate Communications, P.O. Box 80 17 09, 81617 Munich, GERMANY
++49 89 636 09, FAX (0 89) 636-2 26 89
EPCOS AG 2005. Reproduction, publication and dissemination of this brochure and the informa-
tion contained therein without EPCOS' prior express consent is prohibited.
Purchase orders are subject to the General Conditions for the Supply of Products and Services of
the Electrical and Electronics Industry recommended by the ZVEI (German Electrical and Electronic
Manufacturers' Association), unless otherwise agreed.
This brochure replaces the previous edition.
For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or
the international Representatives.
Due to technical requirements components may contain dangerous substances. For information on
the type in question please also contact one of our Sales Offices.
B82720-H15
Chokes for data and signal lines
Double chokes
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