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Rated voltage 250 Vac
Rated current 0,25 to 0,7 A
Rated inductance 4,7 to 47 mH
Construction
s
Current-compensated ring core double choke
with ferrite core
s
Polycarbonate case
s
Without potting
s
Sector winding
Features
s
Vertical and horizontal versions
s
Case flame-retardant as per UL 94 V-0
s
High resonance frequency owing to special
winding technique and omission of potting
s
> 1 % stray inductance for symmetrical
interference suppression
Applications
s
Compact and narrow electronic lamp ballasts
s
Telecom applications such as NTBA, PCMx
s
Integrated power supplies for video recorders,
portable TVs, SAT receivers, set-top boxes,
video-on-demand
s
Automation, e.g. sensor modules with integrated
power supplies
s
Electronic transformers, e.g. for halogen lamps
s
Plug-in and portable power supplies and chargers
for cellular and cordless phones
s
Compact, modular and desktop power supplies
Terminals
s
Fitting PCB standard grid
Marking
Ordering code, rated current, rated inductance,
rated voltage, manufacturer, date of manufacture
Approvals
Approval marks
Standards
EN 60938-2
UL 1283
B82791-H
Chokes for Power Lines
B82791-G
Current-Compensated Ring Core Double Chokes
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Dimensional drawing and pin configuration
Vertical version (B82791-H)
Horizontal version (B82791-G)
General technical data
For further technical data
see page 334
Characteristics and ordering codes
Test voltage
V
T
1500 Vac, 2 s (line/line)
Rated current
I
R
Referred to 50 Hz and 40
C ambient temperature
Inductance tolerance
-
30/+ 50 %
Weight
Approx. 3 g
I
R
A
L
R
mH
L
S, typ
H
R
typ
m
Ordering code
vertical version
horizontal version
0,25
47
750
2400
B82791-H2251-N20
B82791-G2251-N20
0,3
30
400
2200
B82791-H2301-N1
B82791-G2301-N1
0,35
22
350
1900
B82791-H2351-N1
B82791-G2351-N1
0,4
15
225
1350
B82791-H2401-N1
B82791-G2401-N1
0,5
10
150
1000
B82791-H2501-N1
B82791-G2501-N1
0,6
6,8
100
630
B82791-H2601-N1
B82791-G2601-N1
0,7
4,7
70
440
B82791-H2701-N1
B82791-G2701-N1
B82791-H
Chokes for Power Lines
B82791-G
Current-Compensated Ring Core Double Chokes
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