Power line chokes
Ring core chokes with iron powder core
250 V AC, 1 … 5 A, 0.25 … 5.0 mH, +40 °C
Series/Type:
Date:
B82625
July 2012
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© 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
Ring core chokes with iron powder core
Rated voltage 250 V AC / 350 V DC
Rated current 1 ... 5 A
Rated inductance 0.25 ... 5.0 mH
Construction
■
■
■
■
■
B82625
Ring core double choke
Iron powder core with epoxy coating
Polycarbonate case (UL 94 V-0)
Polyurethane potting (UL 94 V-0)
Sector winding
Features
■
High suppression of differential-mode
■
■
■
■
■
interferences at low frequencies
High thermal stability due to complete potting
Suitable for wave soldering
Design complies with EN 60938-2 (VDE 0565-2)
ENEC (VDE) approval
RoHS-compatible
Applications
■
■
■
■
Suppression of differential-mode interferences
Filter circuits in switch-mode applications
Power factor correction (PFC)
Reduction of harmonics in consumer goods
Terminals
■
■
■
■
■
Base material CuNi18Zn20
Layer composition Ni, Sn
Hot-dipped
Pins 1.0
1.0 (mm)
Lead spacing 15
40 (mm)
Marking
Manufacturer, approval sign and VDE standard number,
ordering code, rated current, rated voltage, graphic symbols,
rated inductance, date of manufacture (YYWWD.internal ID code)
Delivery mode
Blister tray in cardboard box
Please read
Cautions and warnings
and
Important notes
at the end of this document.
2
07/12
Power line chokes
Ring core chokes with iron powder core
Dimensional drawing and pin configuration
3.5
_
0.4
B82625
42.4 max.
1
2
1
2
4
4+1
30
_
0.5
40±0.2
44 max.
3
4
3
Tolerances to ISO 2768-C
unless otherwise noted.
Dimensions in mm.
15±0.2
1.0
IND0234-8
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) / 350 V DC
1500 V AC, 2 s (line/line)
+40
C
Referred to 50 Hz and rated temperature
Defined at zero DC current bias
Measured with Agilent 4284A at 0.1 mA, +20
C
Measuring frequency: L
R
1
mH = 100 kHz
L
R
> 1 mH = 10 kHz
Inductance is specified per winding.
20%
at +20
C
Measured at DC magnetic bias with I
R
with Agilent 4284A
at 0.1 mA, +20
C,
typical values
Measuring frequency: L
R
1
mH = 100 kHz
L
R
> 1 mH = 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,
75%
RH
Approx. 120 g
EN 60938-2
Inductance tolerance
Inductance at rated current
DC resistance R
typ
Solderability (lead-free)
Resistance to soldering heat
(wave soldering)
Climatic category
Storage conditions (packaged)
Weight
Approval
Please read
Cautions and warnings
and
Important notes
at the end of this document.
3
07/12
Power line chokes
Ring core chokes with iron powder core
Characteristics and ordering codes
I
R
A
1
2
3
4
5
L
R
mH
5.0
1.2
0.7
0.4
0.25
L at I
R
, typ.
mH
2.92
0.67
0.37
0.25
0.15
R
typ
1.45
0.42
0.21
0.12
0.072
B82625B2102M001
B82625B2202M001
B82625B2302M001
B82625B2402M001
B82625B2502M001
Ordering code
B82625
Approvals
=
approval granted
Please read
Cautions and warnings
and
Important notes
at the end of this document.
4
07/12
Power line chokes
Ring core chokes with iron powder core
Impedance |Z| versus frequency f
(differential-mode)
measured with windings
in series at +20 °C, typical values
10
6
IND0872-V
B82625
Impedance |Z| versus frequency f
(common-mode)
measured with windings
in parallel at +20 °C, typical values
10
5
IND0238-R
Ω
| Z|
10
5
B82625
Ω
| Z|
10
4
B82625
10
4
10
3
10
3
B2102M001
B2202M001
B2302M001
B2402M001
B2502M001
10
2
B2102M001
B2202M001
B2302M001
B2402M001
B2502M001
10
2
10
1
10
1 4
10
10
5
10
6
Hz 10
7
f
10
0 4
10
10
5
10
6
Hz 10
7
f
Relative inductance L
op
/L
R
versus relative current I
op
/I
R
measured at +20 °C, typical values
110
L
op
% B82625
L
R
90
80
70
60
50
40
B2102M001
B2202M001
B2302M001
B2402M001
B2502M001
0
0.2
0.4
0.6
0.8
1
1.4
IND0873-E
Current derating I
op
/I
R
versus ambient temperature T
A
I
op
I
R
5
07/12
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