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Chokes for data and signal lines I core choke, EIA 1812
Rated voltage 42 VAC/80 VDC Rated current 150 to 300 mA Rated inductance 11 to 100 H Construction
Current-compensated double choke with ferrite I core Bifilar winding (B82789C0...) Sector winding (B82789S0...)
B82789*N
Features
Suitable for reflow soldering For gold-plated terminals conductive adhesion possible
Function
B82789C0:
Suppression of asymmetrical interference coupled in on lines, whereas data signals up to some MHz can pass unaffectedly B82789S0: Suppression of asymmetrical (by LR) and symmetrical interference (by LS) coupled in on lines. The high-frequency portions of the symmetrical data signal are decreased so far that EMC problems can be significantly reduced Applications
Automotive applications, e.g. CAN bus Industrial automation Telecommunications
Terminals Two versions: Gold plated and lead-free tinned Marking Marking on component: Manufacturer, bifilar or sector winding (coded), L value (in nH), date of manufacture (coded) Minimum data on reel: Manufacturer, part number, ordering code, L value (in nH), quantity, date of packing Delivery mode 12-mm blister tape, reel packing (330-mm reel), packing unit: 2500 pcs. Taping to IEC 60286-3. For details on taping and packing refer to data book "Chokes and Inductors", page 302.
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Chokes for data and signal lines I core choke, EIA 1812
Dimensional drawing
B82789*N
1,20,1 10,05 1)
0,4 min. 1)
0,860,05 1)
5,2 max.
3 max.
3,2+0,3 Marking
4,50,2
0,03
IND0303-W-E
Layout recommendation
5,9
2,2
0,6 4,0
IND0309-C
1) Soldering area
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Chokes for data and signal lines I core choke, EIA 1812
Technical data and measuring conditions Rated voltage VR Rated current IR Rated inductance LR Inductance tolerance Inductance decrease L/L0 Stray inductance LS DC resistance Rmax Solderability (IEC 60068-2-58) Climatic category (IEC 60068-1) Weight Characteristics and ordering codes LR H 11 22 22 51 100 LS, typ H 0.06 0.10 3.0 0.10 0.25 IR mA 300 250 250 250 150 Rmax m 250 580 580 550 1500 Vtest 250 250 250 250 250 Ordering code B82789C0113N001 B82789C0223N001 B82789S0223N001 B82789C0513N001 B82789C0104N001 42 VAC (50/60 Hz) 80 VDC
B82789*N
Referred to 50 Hz and 85 C ambient temperature Measured with HP 4284A at 100 kHz and 0.1 mA -30/+50% <10% at DC magnetic bias with IR Measured with HP 4284A at 100 kHz and 5 mA Measured at 20 C ambient temperature (235 3) C, (2 0,3) s Wetting of soldering area 95% 55/125/56 (-55 C/+125 C/56 days damp heat test) Approx. 0.16 g
VDC, 2 s gold-plated terminals tinned terminals B82789C0113N002 B82789C0223N002 B82789S0223N002 B82789C0513N002 B82789C0104N002
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Chokes for data and signal lines I core choke, EIA 1812
Current derating Iop/IR versus ambient temperature TA = 85 C
1.2
IND0038-R-E
B82789*N
op R
1.0
0.8
0.6
0.4
0.2
0
0
20
40
60
80
100
C 140 TA
Insertion loss e (typical values at Z = 50 ) asymmetrical, all branches in parallel (common mode) symmetrical (differential mode) LR = 11 H
50 dB B82789C0113N00*
IND0304-9
40
30
20
10
04 10
10 5
10 6
10 7
10 8 Hz 10 9 f
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Chokes for data and signal lines I core choke, EIA 1812
Insertion loss e (typical values at Z = 50 ) asymmetrical, all branches in parallel (common mode) symmetrical (differential mode) LR = 22 H (bifilar winding)
50 dB B82789C0223N00*
IND0306-R
B82789*N
LR = 22 H (sector winding)
50 dB B82789S0223N00*
IND0305-H
40
40
30
30
20
20
10
10
04 10
10 5
10 6
10 7
10 8 Hz 10 9 f
05 10
10 6
10 7
10 8
Hz 10 9 f
LR = 51 H
50 dB B82789C0513N00*
IND0307-1
LR = 100 H
50 dB B82789C0104N00*
IND0308-Z
40
40
30
30
20
20
10
10
04 10
10 5
10 6
10 7
10 8 Hz 10 9 f
04 10
10 5
10 6
10 7
10 8 Hz 10 9 f
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Chokes for data and signal lines I core choke, EIA 1812
B82789*N
Published by EPCOS AG Corporate Communications, P.O. Box 80 17 09, 81617 Munich, GERMANY ++49 89 636 09, FAX (0 89) 636-2 26 89
EPCOS AG 2004. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS' prior express consent is prohibited.
Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and Electronics Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers' Association), unless otherwise agreed. This brochure replaces the previous edition. For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or the international 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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