B82721K2801U030

B82721K2801U030 Datasheet


B82721K2*U*

Part Datasheet
B82721K2801U030 B82721K2801U030 B82721K2801U030 (pdf)
Related Parts Information
B82721K2132U030 B82721K2132U030 B82721K2132U030
B82721K2401U030 B82721K2401U030 B82721K2401U030
B82721K2501U030 B82721K2501U030 B82721K2501U030
B82721K2501U031 B82721K2501U031 B82721K2501U031
B82721K2102U030 B82721K2102U030 B82721K2102U030
B82721K2162U030 B82721K2162U030 B82721K2162U030
B82721K2222U030 B82721K2222U030 B82721K2222U030
B82721K2282U030 B82721K2282U030 B82721K2282U030
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Power line chokes

Current-compensated ring core double chokes 250 V AC, 47 mH, A, +70 °C

Series/Type:

B82721K2*U*

Date:

May 2017

AG Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without EPCOS’ prior express consent is prohibited.

EPCOS AG is a TDK Group Company.

Power line chokes Current-compensated ring core double chokes

B82721K2*U*

Rated voltage 250 V AC Rated inductance 47 mH Rated current A / +70 °C

Construction
• Current-compensated ring core double choke
• Ferrite core wih epoxy coating UL 94 V-0
• Plastic case UL 94 V-0
• Potting UL 94 V-0
• Sector winding
• High resonance frequency due to special winding technique
• Approx. 1% stray inductance for symmetrical interference suppression
• Completely potted for local reduction of pollution degree micro-environment
• Suitable for wave soldering
• Plastic material approved to EN 60335-1 VDE 0700-1 clause 301
• Design complies with EN 60938-2 VDE 0565-2
• UL2 and ENEC VDE approvals
• RoHS-compatible
• Suppression of common-mode interferences
• Switch-mode power applications
• Household appliances "white goods"
• Heating control systems

Terminals
• Base material CuNi18Zn20
• Layer composition Ni, Sn
• Hot-dipped
• Pins mm
• Lead spacing 10 15 mm

Marking
• Product brand, ordering code, graphic symbol, rated voltage, rated current, rated inductance, VDE standard number, date of manufacture YYWWD.internal ID code

Delivery mode
• Blister tray in cardboard box
1 Certified values:

Glow wire flammability index GWFI to IEC 60695-2-12 +850 °C

Glow wire ignition temperature GWIT to IEC 60695-2-13 +775 °C

Comparative tracking index CTI to IEC 60112 :
600 V

Ball pressure test BP to IEC 60695-10-2 :
+190 °C
2 UL approval with 300 V AC

Please read Cautions and warnings and Important notes at the end of this document.
2 05/17

Power line chokes Current-compensated ring core double chokes

Dimensional drawings and pin configurations

B82721K2*U*

Please read Cautions and warnings and Important notes at the end of this document.
3 05/17

Power line chokes Current-compensated ring core double chokes

B82721K2*U*

Technical data and measuring conditions

Rated voltage VR Test voltage Vtest Rated temperature TR Rated current IR Rated inductance LR

Inductance tolerance Inductance Stray inductance Lstray,typ

DC resistance Rtyp Solderability lead-free

Resistance to soldering heat wave soldering Climatic category Storage conditions packaged Weight Approvals
250 V AC 50/60 Hz
1500 V AC, 2 s line/line
+70 °C

Referred to 50 Hz and rated temperature

Measured with Agilent 4284A at mA, +20 °C Measuring frequency LR mH f=100 kHz

LR > 1 mH f= 10 kHz Inductance is specified per winding.
30% at +20 °C
< 10% at DC magnetic bias with IR, +20 °C Measured with Agilent 4284A at 5 mA, +20 °C, typical values Measuring frequency LR mH f= 100 kHz

LR > 1 mH f= 10 kHz Measured at +20 °C, typical values, specified per winding

Sn96.5Ag3.0Cu0.5 + 245 3 °C, 3 s Wetting of soldering area to IEC 60068-2-20, test Ta
+ 260 5 °C, 10 1 s to IEC 60068-2-20, test Tb
40/125/56 to IEC 60068-1
°C +40 °C, RH

Approx. g

IEC / EN 60938-2, UL 1283 E70122

Please read Cautions and warnings and Important notes at the end of this document.
Characteristics and ordering codes

Lstray,typ Rtyp
1560
1380
1140
Ordering code

B82721K2401U030 B82721K2501U030 B82721K2501U031 B82721K2801U030 B82721K2112U030 B82721K2132U030 B82721K2162U030 B82721K2222U030 B82721K2282U030

B82721K2*U*

Approvals

Please read Cautions and warnings and Important notes at the end of this document.
5 05/17

Power line chokes Current-compensated ring core double chokes

Impedance |Z| versus frequency f measured with windings in parallel at +20 °C, typical values

B82721K2*U*

Current derating Iop/IR versus temperature TA

Please read Cautions and warnings and Important notes at the end of this document.
6 05/17

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. Washing processes may damage the product due to the possible static or cyclic mechanical loads e.g. ultrasonic cleaning . They may cause cracks to develop on the product and its parts, which might lead to reduced reliability or lifetime.
• 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.
Display of ordering codes for EPCOS products The ordering code for one and the same product can be represented differently in data sheets, data books, other publications and the website of EPCOS, or in order-related documents such as shipping notes, order confirmations and product labels. The varying representations of the ordering codes are due to different processes employed and do not affect the specifications of the respective products. Detailed information can be found on the Internet under

Please read Cautions and warnings and Important notes at the end of this document.
7 05/17

Important notes

The following applies to all products named in this publication:

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.

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.

The warnings, cautions and product-specific notes must be observed.

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 Should you have any more detailed questions, please contact our sales offices.

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.

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 .

The trade names EPCOS, CeraCharge, CeraDiode, CeraLink, CeraPad, CeraPlas, CSMP, CTVS, DeltaCap, DigiSiMic, ExoCore, FilterCap, FormFit, LeaXield, MiniBlue, MiniCell, MKD, MKK, MotorCap, PCC, PhaseCap, PhaseCube, PhaseMod, PhiCap, PowerHap, PQSine, PQvar, SIFERRIT, SIFI, SIKOREL, SilverCap, SIMDAD, SiMic, SIMID, SineFormer, SIOV, ThermoFuse, WindCap are trademarks registered or pending in Europe and in other countries. Further information will be found on the Internet at
8 05/17
More datasheets: EAUVA2016BC3 | PEX8508-AC25BI G | 50351-5160ELF | B82721K2132U030 | B82721K2401U030 | B82721K2501U030 | B82721K2501U031 | B82721K2102U030 | B82721K2162U030 | B82721K2222U030


Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived B82721K2801U030 Datasheet file may be downloaded here without warranties.

Datasheet ID: B82721K2801U030 511688