B82559xA025 Series Datasheet by EPCOS - TDK Electronics

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¤EPCOS AG 2016. 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.
ERU chokes
ERU 25, helically wound
Series/Type: B82559*A025
Date: February 2016
TDK
202/16
Please read Cautions and warnings and
Important notes at the end of this document.
Rated inductance 0.44 .... 20 µH
Saturation current 15 ... 71 A
Construction
High temperature ferrite core
Magnetically shielded
Helical winding
Self-leaded construction
Under body termination
Features
High rated current
Extremely low DC resistance
Very low profile and extremely small footprint
Suitable for pick-and-place processes
RoHS-compatible
Easily customized
Applications
Energy storage chokes for
DC/DC converters
VRM modules
POL converters
Solar converters
Terminals
Lead-free tinned
Marking
Manufacturer, ordering code, date of manufacture and
production place (YYWWD/X),
Delivery mode and packing units
Tray
Blister tape on request
B82559*A025ERU chokes
ERU 25
Helically wound
DK 205:0.5 \ <_. 39:03:;="" \="" 2x="" u?="" ‘="" 7="" ‘1‘="" ,="" n="" ‘="" é="" \="" e="" "’-="" w="" a="" 7="" 5="" 7="" 22="" \nd07767l="" 25.3="" max.="" ‘1:="" o="" .2="" 2.6="" max.="" 201:0.8="" \nd‘zsdvp="" r.="" 25.7="" f="" t="" ‘="" ‘="" a:="" .="" '+'="" 1="" +="" '+'="" m="" i="" 1="" z="" 1="" q="" \="" n="" .="" 3="" be="" ,7,="" 7.7.7-1.,="" ,,.,.l.,.,,,,="" 7,77,,="" fl="" 7="" r="" n="" ‘=""> H 255 285 mev
302/16
Please read Cautions and warnings and
Important notes at the end of this document.
Dimensional drawing and layout recommendation
Packing (tray)
Height (mm) Packing unit
component h tray H per tray per box
9.6 1940280
11.1 21 40 280
12.8 23 40 240
14.6 23 40 240
Dimensions in mm
Dimensions in mm
B82559*A025ERU chokes
ERU 25
Helically wound
TDK
402/16
Please read Cautions and warnings and
Important notes at the end of this document.
Technical data and measuring conditions
Characteristics and ordering codes
Sample kit available. Ordering code: B82559X002
For more information refer to chapter “Sample kits”.
Rated inductance LRMeasured at 10 kHz, 0.1 V, +25 °C
Inductance tolerance r7%
Saturation current ISat Current that will result in an approximately 10% drop in
the inductance values at the specified temperature
DC resistance RDC Measured at +25 °C
Self-resonant frequency ! 2 MHz
High voltage: N1 - core 200 V DC, 1 s
Solderability
(test of wettability of the pins)
(245 r5) °C, (3 r0.3) s,
wetting of soldering area t95%
(based on IEC 60068-2-58, solder bath method)
Resistance to soldering heat To JEDEC J-STD 020D (Tc: +245 °C on pin)
Operating temperature 40 °C … +125 °C
Storage conditions (packaged) –25 °C … +40 °C, d75% RH
LR
PH
Isat, 25°C
A
Isat, 100°C
A
RDC (max)
m:
RDC (typ)
m:
Height h
(nom.)
mm
Approx.
weight
g
Ordering code
0.44 71 71 0.25 0.20 9.6 22.1 B82559A1042A025
1.25 50 48 0.45 0.40 11.1 24.4 B82559A2122A025
2.30 41 40 0.70 0.60 12.8 29.5 B82559A3232A025
2.90 33 29 1.15 1.00 9.6 21.8 B82559A3292A025
4.35 30 28 1.50 1.30 11.1 25.2 B82559A4432A025
6.10 28 24 1.85 1.60 11.1 26.3 B82559A5612A025
7.90 26 23 2.20 2.00 12.8 27.5 B82559A6792A025
10.00 24 22 2.55 2.20 12.8 29.6 B82559A7103A025
15.00 15 14 2.55 2.20 12.8 29.6 B82559A7153A025
20.00 15 14 3.25 2.80 14.6 33.0 B82559A9203A025
B82559*A025ERU chokes
ERU 25
Helically wound
IND119A-9 0.50 25°C /?‘ 0.35 / 100°C . 0.30 0.25 / 0.20 0.15 / 0.10 / 0.05 x. /. 4’ IDC 0 0 0 10 20 30 40 50 50 A80 60 ”C 50 40 30 20 10 ,_ 4’1— DK 14 \NDHBSVA H .. P All...“ 1 12 ‘ i \ 1" 1.0 X ' , )4 25°C ‘ 7\ 0.8 100“c “.I TR A , .l‘\ 0.0 7 / 0.4 . ’ ’/ o” 7 0.2 , ./ 5 z 0 "’/ 010 20 30 40 50 00 Ass 4.1m 25 \NDHSG-B uH -----. . \‘~ . \ / 7 2.0 \ ./ ‘1 I . . , 1 1.5 ' 25°C Ki 100“c 1" 5 TR ll 1.0 , -, ./ ‘. 7 1 . . 0.5 'l “ 7 ./’ ,2 /. ./ 4’ ‘DC 0 0 0 10 20 30 40 50 60 A80 1 00 ’0 TR 80 70 60 50 40 30 20 1 0 0 120 60 40 20
502/16
Please read Cautions and warnings and
Important notes at the end of this document.
B82559*A025ERU chokes
ERU 25
Inductance L versus DC load current IDC
The temperature rise 'T is measured at an am-
bient temperature of +25 °C. A current is applied
for 30 minutes and the temperature is measured
via a thermocouple placed on top of the device.
No forced air cooling is applied.
The inductance vs current curves are generated
by measuring the chokes at +25 °C and
+100 °C.
B82559A2122A025
B82559A1042A025 B82559A3232A025
Helically wound
DK 5MB ‘NDHQTC 140 7 \NDI1997E 100 “C “H ______ 7 ”C TH L 6 -.. TR ___ ___ I . a... I. ‘x? .l 7 80 ‘.‘ ' 100 5 ‘ ’ , 70 1 . 25°C ‘ 100°C (,-I\ 7 60 25°C 00 4 T 2' 100°C 5’ P . . 7 50 TR 1: 60 a I . .l ‘. .’ 1| 740 / 1 ,/ ._ . “ 40 2 '/ I‘ 7 30 . ~/ ‘ \ . ‘1 7 20 / ‘ 20 1 ./ “ . . “-- / “---- 710 / ,' ./ 0 O /’ 0 10 20 30 40 50 A 70 0 10 20 30 40 50 A so 4’ IDC 4’ IDC INDH§87D 120 9 \ND12007F 120 °C pH -- -- -- -. °C "" ---- 7.2 T T \ ,- 7100 H L ‘. i 7100 R ~ 7 ‘5‘ l ‘ 1 /' W 1 25°C 1 .l 7 00 e ‘. 80 100°C ‘. / 25°C 1 TR .‘ K 5 100°C . ‘. 60 TR A: 7 60 V' \ 4 I. .. /°. -’ \ . 7 40 a , '. 40 ./ \ 2 ./ '- 1 2’ \ 20 / * 2° . .___ 1 / ,. / . giiiii .f‘ 10 20 so 40 50 A000 00 5 10 15 20 25 so 35 40 A 50° 4’ch 4’ch
602/16
Please read Cautions and warnings and
Important notes at the end of this document.
B82559*A025
ERU 25
B82559A3292A025 B82559A5612A025
B82559A4432A025 B82559A6792A025
ERU chokes
Helically wound
@TDK — 5MB 12 \NDVZD‘VG 12° 25 WDQDZH 100 uH °C °C T L 10 —.__ .' 100 H L so R a ‘x 00 60 I. X 15 25“c . 25 6 100°C j, 60 100 40 T . R Y I" 10 . 4 ,- 40 20 ./ \ 0 / ‘\ / 2 K. \ 20 5 -’ o /. -.__ ./ *1 o ’ 0 0 720 05101520253035A45 051015202530 A40 4"00 4"00 18 \ND‘ZOZVH 60 NH ‘0 ----- —-—. - T L ‘~\ _I7 50 H 14 \ ,1 ‘ \ 12 ‘. I 40 ‘1 ./ 1 . I I 1
702/16
Please read Cautions and warnings and
Important notes at the end of this document.
B82559*A025
B82559A7103A025 B82559A9203A025
B82559A7153A025
ERU chokes
ERU 25
Helically wound
TDK
802/16
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 www.epcos.com/orderingcodes.
Please read Cautions and warnings and
Important notes at the end of this document.
@TDK
902/16
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 we are 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 a 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.tdk-electronics.tdk.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 our General Terms and
Conditions of Supply.
7. Our manufacturing sites serving the automotive business apply the IATF 16949 standard. The IATF
certifications confirm our compliance with requirements regarding the quality management system in the
automotive industry. Referring to customer requirements and customer specific requirements (“CSR”) TDK
always has and will continue to have the policy of respecting individual agreements. Even if IATF 16949
may appear to support the acceptance of unilateral requirements, we hereby like to emphasize that only
requirements mutually agreed upon can and will be implemented in our Quality Management
System. For clarification purposes we like to point out that obligations from IATF 16949 shall only become
legally binding if individually agreed upon.
8. 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 www.tdk-
electronics.tdk.com/trademarks.
Release 2018-10

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