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Chokes for Power Lines Current-Compensated Ring Core Double Chokes
Rated voltage 250 Vac Rated current 0,3 to 2,0 A Rated inductance 1,1 to 12 mH Construction
s Current-compensated ring core double choke
B82720-A B82720-K
with ferrite core
s Polycarbonate case s Polyurethane potting s Sector winding
Features
s Vertical and horizontal versions s Case and potting flame-retardant as per UL 94 V-0 s Approx. 0,8 % stray inductance for symmetrical
interference suppression Applications
s Compact and narrow electronic ballasts in lamps (T2 lamps) s Compact, modular and desktop power supplies s Automation, compact power supplies up to 2 A
Terminals
s Pins 0,5 × 0,5 mm s Pins fitting standard PCB grid
Marking Manufacturer, ordering code, rated current, rated voltage, rated inductance, graphic symbol, date of manufacture
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Chokes for Power Lines Current-Compensated Ring Core Double Chokes
Dimensional drawing and pin configuration Horizontal version (B82720-A)
10±0,4 2 1
10±0,4 ø0,6
B82720-A B82720-K
Vertical version (B82720-K)
13±0,3 10±0,2
1 2
2±0,2
14,2 max.
9,5 _ 0,4
7,5±0,2
3 14,2 max.
4 9,6 max.
_ 0,5 3 +0,2
+
SSB1258-U
14±0,3
4
3
SSB1444-2
3,5 _ 0,5
0,5x0,5
SSB1378-F
General technical data Test voltage VT Rated current IR Inductance tolerance Weight For further technical data see page 334 1500 Vac, 2 s (line/line) Referred to 50 Hz and 40 °C ambient temperature − 30/+ 50 % Approx. 2,5 g
Characteristics and ordering codes
IR A
0,3 0,6 1,0 2,0
LR mH
12 4,4 3,0 1,1
LS, typ µH
90 32 24 7
Rtyp mΩ
1150 430 230 70
Ordering code horizontal version B82720-A2301-N40 B82720-A2601-N40 B82720-A2102-N40 B82720-A2202-N40
vertical version B82720-K2301-N40 B82720-K2601-N40 B82720-K2102-N40 B82720-K2202-N40
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5
1
2
1,5
+ + 7,6 _ 0,3
+
4
3
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Chokes for Power Lines Current-Compensated Ring Core Double Chokes
Impedance |Z | versus frequency f (measured with windings in parallel)
10 6 Ω
SSB1377-7
B82720-A B82720-K
Z
10 5
10 4
10 3 - +2301-N40 - +2601-N40 - +2102-N40 - +2202-N40
10 2
10 1 4 10
10 5
10 6
Hz 10 7 f
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