Power line chokes
Current-compensated D core double chokes
Dimensional drawings and pin configurations
Vertical version (B82731M)
1
2
1
2
B82731M/H
Horizontal version (B82731H)
1
2
1
2
10±0.2
4
12.5±0.2
21 max.
3
4
3
4
12.5±0.2
21 max.
3
10±0.2
4
3
7.5 max. 12.5 max.
15 max.
90
15.5 max.
4.8 max.
˚
±5
˚
20+0.5
4.5 min.
0.6
3+0.5
0.6
IND0284-2
Tolerances to ISO 2768-C
unless otherwise noted.
IND0285-5
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
Inductance tolerance
Inductance decrease
ΔL/L
0
Stray inductance L
stray,typ
DC resistance R
typ
Solderability (lead-free)
250 V AC (50/60 Hz)
1500 V AC, 2 s (line/line)
40
°C
Referred to 50 Hz and rated temperature
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,
typ. 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)
Approx. 8 g
EN 60938-2, UL 1283
3
10/08
Resistance to soldering heat
(wave soldering)
Climatic category
Weight
Approvals
Storage conditions (packaged) –25 °C … +40 °C,
≤
75% RH
Please read
Cautions and warnings
and
Important notes
at the end of this document.
3+0.5
EPCOS [ EPCOS ]
