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Data and signal line chokes
Common-mode chokes, ring core 0.005 ... 4.7 mH, 200 ... 1000 mA, 60 C
Series/Type: B82790C0/S0 April 2008
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Date:
(c) EPCOS AG 2008. Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without EPCOS' prior express consent is prohibited.
Data and signal line chokes Common-mode chokes, ring core
Rated voltage 42 V AC/80 V DC Rated inductance 0.005 mH to 4.7 mH Rated current 200 mA to 1000 mA Construction

B82790C0/S0
Current-compensated ring core double choke Ferrite core PPS case (UL 94 V-0) Bifilar winding (B82790C0) Sector winding (B82790S0)
Features
Suitable for reflow soldering Qualified to AEC-Q200 RoHS-compatible
Function
B82790C0:
Suppression of asymmetrical interference coupled in on lines, whereas data signals up to some MHz can pass unaffectedly. B82790S0: Suppression of asymmetrical and symmetrical interference (by Lstray) 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 applications
Terminals
Base material CuSn6 Layer composition Ni, Sn Electro-plated
Marking
Marking on component: Manufacturer, process location (coded),
winding method (coded), ordering code (short form), date of manufacture (YWWD) Minimum data on reel: Manufacturer, ordering code, L value and tolerance, quantity, date of packing Delivery mode and packing unit
16-mm blister tape, wound on 330-mm reel Packing unit: 1500 pcs./reel
Please read Cautions and warnings and Important notes at the end of this document.
2
04/08
Data and signal line chokes Common-mode chokes, ring core
Dimensional drawing and pin configuration
0.60.05 1)
1.90.2 1.5 min. 1 2 1 4 3 4 2 3
1)
B82790C0/S0
Layout recommendation
(4.5) 2.85
2.50.1
2.5
10.2
IND0163-B
0 ...6
5.2 max. 4.9 max. 0.2+0.2
0.250.05 1)
6.0 max.
0.08
Marking
7.1 max.
_ 0.2 9 +0.4
1) Soldering area
IND0009-B-E
Dimensions in mm
Taping and packing Blister tape
40.1 1.50.1 20.05
1.750.1
Reel
22.4 max. 130.25
10.5 max.
6.0 max.
80.1 Direction of unreeling
1.60.1
7.50.1
160.3
IND0417-H-E
_0 16.4 +2
_2 330 +0
_0 60 +2
IND0422-K
Dimensions in mm
Please read Cautions and warnings and Important notes at the end of this document.
3
04/08
1.2
Data and signal line chokes Common-mode chokes, ring core
Technical data and measuring conditions Rated voltage VR Rated temperature TR Rated current IR Rated inductance LR 42 V AC (50/60 Hz) / 80 V DC 60 C
B82790C0/S0
Referred to 50 Hz and rated temperature Measured with Agilent 4284A at 0.1 mA, 20 C Measuring frequency: LR 1 mH = 100 kHz LR > 1 mH = 10 kHz Inductance is specified per winding. 30% (LR 0.47 mH), -30/+50% (LR 1 mH) at 20 C < 10% at DC magnetic bias with IR, 20 C Measured with Agilent 4284A at 5 mA, 20 C, typ. values Measuring frequency: LR 11 H = 1 MHz LR > 11 H = 100 kHz Measured at 20 C, typical values, specified per winding SnPb: (215 3) C, (3 0.3) s Sn96.5Ag3.0Cu0.5: (245 5) C, (3 0.3) s Wetting of soldering area 95% (to IEC 60068-2-58) (260 5) C, (10 1) s (to IEC 60068-2-58) 40/125/56 (to IEC 60068-1) -25 C ... +40 C, 75% RH Approx. 0.3 g
Inductance tolerance Inductance decrease L/L0 Stray inductance Lstray,typ
DC resistance Rtyp Solderability
Resistance to soldering heat Climatic category Storage conditions (packaged) Weight
Please read Cautions and warnings and Important notes at the end of this document.
4
04/08
Data and signal line chokes Common-mode chokes, ring core
Characteristics and ordering codes LR mH 0.005 0.011 0.025 0.025 0.051 0.051 0.470 1.0 2.2 4.7 Lstray,typ nH 40 50 60 1400 70 2100 100 100 200 300 IR mA 1000 500 500 500 500 500 500 500 400 200 Rtyp m 60 80 110 110 140 140 170 170 400 510 Vtest V DC, 2 s 250 250 250 250 250 250 250 250 250 250
B82790C0/S0
Ordering code B82790C0502N201 B82790C0113N201 B82790C0253N201 B82790S0253N201 B82790C0513N201 B82790S0513N201 B82790C0474N215 B82790C0105N240 B82790C0225N265 B82790C0475N265
Types with LR 0.47 mH: 750 V DC possible for soldering process with Pb containing solder material. For lead-free soldering please use series B82793. Sample kit available. Ordering code: B82790X001 For more information refer to chapter "Sample kits".
Please read Cautions and warnings and Important notes at the end of this document.
5
04/08
Data and signal line chokes Common-mode chokes, ring core
Insertion loss (typical values at |Z| = 50 , 20 C) asymmetrical, all branches in parallel (common mode) symmetrical (differential mode) LR = 0.005 mH
50 dB B82790C0502N201
IND0013-6
B82790C0/S0
LR = 0.011 mH
50 dB B82790C0113N201
IND0014-8
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
LR = 0.025 mH (low Lstray)
50 dB B82790C0253N201
IND0011-4
LR = 0.025 mH (high Lstray)
50 dB B82790S0253N201
IND0015-W
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
Please read Cautions and warnings and Important notes at the end of this document.
6
04/08
Data and signal line chokes Common-mode chokes, ring core
Insertion loss (typical values at |Z| = 50 , 20 C) asymmetrical, all branches in parallel (common mode) symmetrical (differential mode) LR = 0.051 mH (low Lstray)
50 dB B82790C0513N201
IND0012-V
B82790C0/S0
LR = 0.051 mH (high Lstray)
50 dB B82790S0513N201
IND0016-9
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
LR = 0.47 mH
50 dB B82790C0474N215
IND0017-H
LR = 1.0 mH
50 dB B82790C0105N240
IND0018-R
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
Please read Cautions and warnings and Important notes at the end of this document.
7
04/08
Data and signal line chokes Common-mode chokes, ring core
Insertion loss (typical values at |Z| = 50 , 20 C) asymmetrical, all branches in parallel (common mode) symmetrical (differential mode) LR = 2.2 mH
50 dB B82790C0225N265
IND0019-1
B82790C0/S0
LR = 4.7 mH
50 dB B82790C0475N265
IND0020-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
Current derating Iop/IR versus ambient temperature
1.4 Iop IR 1.2 1.0 TR = 60 C 0.8 0.6 0.4 0.2 0
IND0681-C-E
0
20
40
60
80 100
C
140
TA
Please read Cautions and warnings and Important notes at the end of this document.
8
04/08
Data and signal line chokes Common-mode chokes, ring core
Recommended reflow soldering curve Pb containing solder material (based on CECC 00802 edition 2)
300 10 s 260 C approx. 245 C 215 C 200 180 C 130 C approx. 40 s
B82790C0/S0
C
250
10 s
Temperature
150
100 2 K/s 50 Normal curve Limit curves
0 0 50 100 150 200 s Time 250
IND0813-D-E
Pb-free solder material (based on JEDEC J-STD 020C)
t3 T4 T3 T2 t2
T1
t1
IND0814-F
T1 C 150
T2 C 200
T3 C 217
T4 C 250
t1 s < 110
t2 s < 90
t3 s < 30 @ T4 -5 C
Time from 25 C to T4: max 300 s Maximal numbers of reflow cycles: 3
Please read Cautions and warnings and Important notes at the end of this document.
9
04/08
Cautions and warnings
Please note the recommendations in our Inductors data book (latest edition) and in the data
sheets. - Particular attention should be paid to the derating curves given there. - The soldering conditions should also be observed. Temperatures quoted in relation to wave soldering refer to the pin, not the housing.
If the components are to be washed varnished it is necessary to check whether the washing
varnish agent that is used has a negative effect on the wire insulation, any plastics that are used, or on glued joints. In particular, it is possible for washing varnish agent residues to have a negative effect in the long-term on wire insulation.
The following points must be observed if the components are potted in customer applications:
- Many potting materials shrink as they harden. They therefore exert a pressure on the plastic housing or core. This pressure can have a deleterious effect on electrical properties, and in extreme cases can damage the core or plastic housing mechanically. - It is necessary to check whether the potting material used attacks or destroys the wire insulation, plastics or glue. - The effect of the potting material can change the high-frequency behaviour of the components.
Ferrites are sensitive to direct impact. This can cause the core material to flake, or lead to
breakage of the core.
Even for customer-specific products, conclusive validation of the component in the circuit can
only be carried out by the customer.
Please read Cautions and warnings and Important notes at the end of this document.
10
04/08
Important notes
The following applies to all products named in this publication: 1. Some parts of this publication contain statements about the suitability of our products for certain areas of application. These statements are based on our knowledge of typical requirements that are often placed on our products in the areas of application concerned. We nevertheless expressly point out that such statements cannot be regarded as binding statements about the suitability of our products for a particular customer application. As a rule, EPCOS is either unfamiliar with individual customer applications or less familiar with them than the customers themselves. For these reasons, it is always ultimately incumbent on the customer to check and decide whether an EPCOS product with the properties described in the product specification is suitable for use in a particular customer application. 2. We also point out that in individual cases, a malfunction of electronic components or failure before the end of their usual service life cannot be completely ruled out in the current state of the art, even if they are operated as specified. In customer applications requiring a very high level of operational safety and especially in customer applications in which the malfunction or failure of an electronic component could endanger human life or health (e.g. in accident prevention or life-saving systems), it must therefore be ensured by means of suitable design of the customer application or other action taken by the customer (e.g. installation of protective circuitry or redundancy) that no injury or damage is sustained by third parties in the event of malfunction or failure of an electronic component. 3. The warnings, cautions and product-specific notes must be observed. 4. In order to satisfy certain technical requirements, some of the products described in this publication may contain substances subject to restrictions in certain jurisdictions (e.g. because they are classed as hazardous). Useful information on this will be found in our Material Data Sheets on the Internet (www.epcos.com/material). Should you have any more detailed questions, please contact our sales offices. 5. We constantly strive to improve our products. Consequently, the products described in this publication may change from time to time. The same is true of the corresponding product specifications. Please check therefore to what extent product descriptions and specifications contained in this publication are still applicable before or when you place an order. We also reserve the right to discontinue production and delivery of products. Consequently, we cannot guarantee that all products named in this publication will always be available. The aforementioned does not apply in the case of individual agreements deviating from the foregoing for customer-specific products. 6. Unless otherwise agreed in individual contracts, all orders are subject to the current version of the "General Terms of Delivery for Products and Services in the Electrical Industry" published by the German Electrical and Electronics Industry Association (ZVEI). 7. The trade names EPCOS, BAOKE, Alu-X, CeraDiode, CSMP, CSSP, CTVS, DSSP, MiniBlue, MKK, MLSC, MotorCap, PCC, PhaseCap, PhaseCube, PhaseMod, SIFERRIT, SIFI, SIKOREL, SilverCap, SIMDAD, SIMID, SineFormer, SIOV, SIP5D, SIP5K, ThermoFuse, WindCap are trademarks registered or pending in Europe and in other countries. Further information will be found on the Internet at www.epcos.com/trademarks. 11 03/09

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