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Double Chokes
Rated voltage 42 Vac/80 Vdc
Rated current 200 to 700 mA
Rated inductance 4,7 to 68 mH
Construction
■ Current-compensated ring core double choke with ferrite core
■ Bifilar winding
Features
■ Case flame-retardant as per UL 94 V-0
■ Suitable for reflow soldering
Anwendungen
■ Suppression of asymmetrical interference coupled in on lines,
whereas data signals up to some MHz can pass unaffectedly
■ Use e.g. in telecom applications and RF equipment
Terminals
■ Tinned
Marking
Manufacturer, ordering code,
date of manufacture (month, year)
Delivery mode
Blister tape, reel packing
For details on taping, packing and packing units see page 302
B82794-C0Chokes for Data and Signal Lines
267 04/00
Double Chokes
Dimensional drawing
B82794-C0Chokes for Data and Signal Lines
2,2±0,2
2,5±0,1
2,5±0,1 5±0,1
14,9±0,3
14,5 max.
8±0,2
10,8 max.
0˚...6˚
A
16,6±0,4
Layout recommendation
+0,1
Marking
Beschriftung
0,05
_
0,6
0,4+0,1
13,3 max.
max. 0,1
A
SSB1454-9
1,6
2,5 5 2,5
12
17,6
SSB1483-M
268 04/00
Double Chokes
General technical data
B82794-C0Chokes for Data and Signal Lines
Rated voltage
V
R
42 Vac (50/60 Hz)
80 Vdc
Rated current
Rated inductance
I
R
L
R
Referred to 50 Hz and 60 °C ambient temperature
Measured with HP 4275A
at 10 kHz and 10 mV
(specified per winding)
Inductance tolerance – 30/+ 50 %
Inductance decrease ∆L/
Stray inductance
DC resistance
R
typ
L
0
L
S
< 10 % at dc magnetic bias with
Measured at 10 kHz and 10 mV
I
R
Typical values, measured at 20 °C ambient temperature
Solderability (215 3) ˚C, (3 0,3) s
wetting of soldering area ≥ 95 %
in accordance with IEC 60068-2-58
Climatic category 40/125/56 (– 40 °C/+ 125 °C/56 days damp heat test)
in accordance with IEC 60068-1
Weight Approx. 2,5 g
Characteristics and ordering codes
L
mH
R
L
µH
S, typ
I
R
mA
R
typ
Ω
V
T
Vdc, 2 s
Ordering code
4,7 0,9 700 0,5 750 B82794-C0475-N465
10 1,2 600 0,7 750 B82794-C0106-N465
28 1,8 400 1,2 750 B82794-C0286-N465
47 2,0 300 2,8 750 B82794-C0476-N465
68 3,0 200 3,3 750 B82794-C0686-N465
269 04/00
Double Chokes
Insertion loss αe (typical values atZ = 50 Ω)
asymmetrical, all branches in parallel (common mode)
symmetrical (differential mode)
B82794-C0475-N465
60
dB
α
e
50
SSB1479-U
B82794-C0106-N465
60
dB
α
e
50
B82794-C0Chokes for Data and Signal Lines
SSB1478-L
40
30
20
10
0
_
10 10 10 10 10MHz
_
2
1
B82794-C0286-N465
60
dB
α
e
50
40
30
20
f
SSB1419-L
40
30
20
10
210
0
B82794-C0476-N465
60
dB
α
e
50
40
30
20
_
10 10 10 10 10MHz
_
2
1
f
SSB1481-6
210
10
0
_
10 10 10 10 10MHz
_
2
1
10
0
210
_
10 10 10 10 10MHz
f
_
2
1
210
f
270 04/00
Double Chokes
Insertion loss αe (typical values atZ = 50 Ω)
asymmetrical, all branches in parallel (common mode)
symmetrical (differential mode)
B82794-C0686-N465
60
dB
α
e
50
SSB1420-P
40
30
20
10
0
_
10 10 10 10 10MHz
_
2
1
f
B82794-C0Chokes for Data and Signal Lines
210
271 04/00
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