Power line chokes
Current-compensated ring core double chokes
250 V AC, 1 … 16 A, 0.56 … 82 mH
Series/Type:
Date:
B82725A
July 2012
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EPCOS
AG 2012. Reproduction, publication and dissemination of this publication, enclosures
hereto and the information contained therein without EPCOS’ prior express consent is prohibited.
Power line chokes
Current-compensated ring core double chokes
Rated voltage 250 V AC
Rated current 1 ... 16 A
Rated inductance 0.56 ... 82 mH
Construction
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■
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B82725A
Current-compensated ring core double choke
Ferrite core wih epoxy coating (UL 94 V-0)
Polycarbonate case (UL 94 V-0)
Polyurethane potting (UL 94 V-0)
Sector winding
Features
■
■
■
■
■
■
High resonance frequency due to special winding technique
Approx. 1% stray inductance for symmetrical interference suppression
Suitable for wave soldering
Design complies with EN 60938-2 (VDE 0565-2) and UL 1283
UL
1)
and/or ENEC (VDE) approvals
RoHS-compatible
Applications
■
■
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■
Suppression of common-mode interferences
Switch-mode power applications
Electronic ballasts in lamps
Power inverters
Terminals
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Base material CuNi18Zn20
Layer composition Ni, Sn
Hot-dipped
Pins 1
1 (mm)
Lead spacing 40
15 (mm)
Marking
■
Manufacturer, approval signs and/or VDE standard number,
ordering code, graphic symbol, rated current, rated voltage,
rated inductance, date of manufacture (YYWWD.internal ID code)
Delivery mode
■
Blister tray in cardboard box
1) UL approval with 300 V AC
Please read
Cautions and warnings
and
Important notes
at the end of this document.
2
07/12
Power line chokes
Current-compensated ring core double chokes
Dimensional drawing and pin configuration
3.5
_
0.4
B82725A
42.4 max.
1
1.0
2
15±0.2
1
2
4
4+1
25
_
0.5
40±0.2
44 max.
3
4
3
IND0261-C
Tolerances to ISO 2768-C unless otherwise noted.
Dimensions in mm.
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)
1500 V AC, 2 s (line/line)
+40 °C / +45 °C / +55 °C / +60 °C/ +70 °C
Referred to 50 Hz and rated temperature
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.
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 = 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. 46 g … 72 g
EN 60938-2, UL 1283
3
07/12
Inductance tolerance
Inductance decreaseL/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
Approvals
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Power line chokes
Current-compensated ring core double chokes
Characteristics and ordering codes
I
R
A
1
1.2
2
3.6
4
4
6
6.5
8
8
10
12
12
14
16
L
R
mH
68
82
18
27
14
6.8
3.9
4.1
3.9
2.7
1.8
3.3
1.0
1.2
0.56
L
stray,typ
H
850
800
220
210
100
75
40
40
35
25
20
16
14
12
6
R
typ
m
1300
950
330
135
80
80
40
31
31
22
14
12
11
10
7
T
R
°C
+60
+60
+60
+60
+60
+60
+60
+70
+40
+60
+60
+60
+55
+45
+40
B82725A2102N001
B82725A2122N020
B82725A2202N001
B82725A2362N021
B82725A2402N020
B82725A2402N001
B82725A2602N001
B82725A2652N020
B82725A2802N020
B82725A2802N001
B82725A2103N001
B82725A2123N040
B82725A2123N001
B82725A2143N020
B82725A2163N020
Ordering code
B82725A
Approvals
= approval granted
Please read
Cautions and warnings
and
Important notes
at the end of this document.
4
07/12
Power line chokes
Current-compensated ring core double chokes
Impedance |Z| versus frequency f
measured with windings in parallel at +20 °C,
typical values
B82725A
Impedance |Z| versus frequency f
measured with windings in parallel at +20 °C,
typical values
Current derating I
op
/I
R
versus temperature T
A
5
07/12
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