EMC
Components
D Core Chokes
B82734
Data Book Supplement
Chokes for Power Lines
D Core Chokes (Eco Chokes)
B82734
Rated voltage 250 Vac/250 Vdc
Rated current 1,3 to 4,6 A
Rated inductance 3,3 to 47 mH
Construction
q
Current-compensated double choke
with closed, rectangular ferrite core
q
Closed polycarbonate coil former
with 4 sections
q
Without encapsulation
q
2-section winding
q
Creepage distances and clearances > 3 mm
Vertical version
Features
q
q
q
q
q
q
q
Coil former flame-retardant as per UL 94 V-0
Recycleable owing to omission of encapsulation and glue
High resonance frequency due to 2-section winding
Low leakage due to closed core shape
High pulse strength
Low whirring noise
Approx. 1 % stray inductance for symmetrical
interference suppression
Horizontal version
Applications
q
Switch-mode power supplies for TV sets, washing machines
q
Power supplies
Terminals
q
Pins 0,7
×
0,7 mm
q
Lead spacing 15
×
12,5 mm
/home/SMC-Allg/Datenblaetter/KO-dt-eng/B82734-e
Marking
Ordering code, rated current, rated inductance,
mark of conformity, manufacturer, date code
Approvals
Marks of conformity
Standards
vertical version
EN 138 100
UL 1283
horizontal version
EN 138 100 (pending)
UL 1283
(pending)
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Siemens Matsushita Components
B82734
Outline drawing and pin configuration
vertical version
horizontal version
Technical data
Rated voltage
V
R
Test voltage
V
P
Rated current
I
R
Inductance tolerance
Weight
250 Vac/250 Vdc
1500 Vac, 2 s (line/line)
Referred to 50 Hz and 40
°C
ambient temperature
– 30/+ 50 %
Approx. 30 g
/home/SMC-Allg/Datenblaetter/KO-dt-eng/B82734-e
For further details refer to data book “EMC Components” 1996, page 179.
Characteristics and ordering codes
I
R
A
1,3
1,4
1,7
2,3
2,6
3,2
4,6
L
R
mH
47
39
27
15
10
6,8
3,3
L
Stray, typ
µH
250
210
140
80
53
35
17
R
typ
mΩ
560
460
320
185
130
85
46
Ordering code
vertical version
B82734-R2132-A30
B82734-R2142-A30
B82734-R2172-A30
B82734-R2232-A30
B82734-R2262-A30
B82734-R2322-A30
B82734-R2462-A30
horizontal version
B82734-W2132-A30
B82734-W2142-A30
B82734-W2172-A30
B82734-W2232-A30
B82734-W2262-A30
B82734-W2322-A30
B82734-W2462-A30
Siemens Matsushita Components
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B82734
Impedance
Z
versus frequency
f
(measured with windings in parallel)
/home/SMC-Allg/Datenblaetter/KO-dt-eng/B82734-e
Published by Siemens Matsushita Components GmbH & Co. KG
Marketing Kommunikation, Postfach 80 17 09, D-81617 München
©
Siemens Matsushita Components 1997. All Rights Reserved.
As far as patents or other rights of third parties are concerned, liability is only assumed for compo-
nents per se, not for applications, processes and circuits implemented within components or
assemblies.
The information describes the type of component and shall not be considered as assured
characteristics.
Terms of delivery and rights to change design reserved.
This brochure replaces the previous edition.
For questions on technology, prices and delivery please contact the Sales Offices of Siemens AG,
Passive Components and Electron Tubes Group, in the Federal Republic of Germany or the inter-
national Siemens Companies and 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.
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