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Chokes for Power Lines
D Core Chokes
Rated voltage 250 Vac
Rated current 0,35 to 4,6 A
Rated inductance 3,3 to 100 mH
Construction
s Current-compensated double choke
with closed, rectangular ferrite core
s Closed polycarbonate coil former with 4 sections
s Without encapsulation
s 2-section winding
s Creepage distances and clearances > 3 mm
Features
s Coil former flame-retardant as per UL 94 V-0
s Recycleable owing to omission of encapsulation and glue
s High resonance frequency due to 2-section winding
s Low leakage due to closed core shape
s High pulse strength
s Low whirring noise
s Approx. 1 % stray inductance for symmetrical
interference suppression
Applications
s Electronic ballasts for lamps
s Switch-mode power supplies for TV sets
Terminals
s Tinned
s Pins fitting standard PCB grid
Marking
Ordering code, rated current, rated inductance,
mark of conformity, manufacturer, date of manufacture,
marking for B82731-H: manufacturer, ordering code
Approvals
Approval marks
Standards
EN 60938-2
UL 1283
369 04/00
B82731
… B82734
Chokes for Power Lines
D Core Chokes
Dimensional drawings and pin configuration
Vertical version
Horizontal version
B82731
12,5±0,2
21 max.
15 max.
12,5±0,2
21 max.
7,5 max. 13 max.
90˚±5˚
0,6
SSB1296-7
0,6 x 0,6
SSB1402-R
General technical data
Rated voltage VR
Test voltage VT
Rated current IR
Inductance tolerance
Weight
250 Vac/dc
1500 Vac, 2 s (line/line)
Referred to 50 Hz and 60 °C ambient temperature
− 30/+ 50 %
Approx. 7 g
For further technical data see page 334
Characteristics and ordering codes
IR
A
0,35
0,4
0,5
0,6
0,7
0,9
1,1
1,3
1,8
LR
mH
100
68
47
39
27
15
10
6,8
3,3
LS, typ
µH
1000
700
470
390
270
150
100
70
35
Rtyp
mΩ
4500
3000
2000
1500
1000
600
400
280
140
Ordering code
vertical version
B82731-M2351-A30
B82731-M2401-A33
B82731-M2501-A30
B82731-M2601-A30
B82731-M2701-A30
B82731-M2901-A30
B82731-M2112-A30
B82731-M2132-A30
B82731-M2182-A30
horizontal version
B82731-H2351-A30
B82731-H2401-A33
B82731-H2501-A30
B82731-H2601-A30
B82731-H2701-A30
B82731-H2901-A30
B82731-H2112-A30
B82731-H2132-A30
B82731-H2182-A30
370 04/00
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