概述
规格参数
数据手册B82559A7103A025 概述
SMT power inductors SMT功率电感 固定电感器
B82559A7103A025 规格参数
| 是否Rohs认证： | 符合 | 生命周期： | Active |
| Reach Compliance Code： | compliant | ECCN代码： | EAR99 |
| HTS代码： | 8504.50.80.00 | 风险等级： | 5.42 |
| 构造： | Rectangular | 型芯材料： | Ferrite |
| 直流电阻： | 0.00255 Ω | 标称电感 (L)： | 10 µH |
| 电感器应用： | RF INDUCTOR | 电感器类型： | GENERAL PURPOSE INDUCTOR |
| JESD-609代码： | e1 | 功能数量： | 1 |
| 端子数量： | 2 | 最高工作温度： | 125 °C |
| 最低工作温度： | -40 °C | 封装高度： | 12.8 mm |
| 封装长度： | 25.3 mm | 封装形式： | SMT |
| 封装宽度： | 23.5 mm | 包装方法： | Tray |
| 最大额定电流： | 24 A | 自谐振频率： | 2 MHz |
| 形状/尺寸说明： | RECTANGULAR PACKAGE | 屏蔽： | YES |
| 表面贴装： | YES | 端子面层： | Tin/Silver/Copper (Sn/Ag/Cu) |
| 端子位置： | DUAL ENDED | 端子形状： | WRAPAROUND |
| 测试频率： | 0.01 MHz | 容差： | 7% |
| Base Number Matches： | 1 |
B82559A7103A025 数据手册
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PDF下载SMT power inductors
ERU 25, helically wound
Series/Type:
B82559*A025
Date:
October 2008
EPCOS AG 2008. Reproduction, publication and dissemination of this publication, enclosures
hereto and the information contained therein without EPCOS’ prior express consent is prohibited.
SMT power inductors
Helically wound
B82559*A025
ERU 25
Rated inductance 0.44 H to 10 H
Saturation current 24 A to 71 A
Construction
■ Ferrite core
■ Magnetically shielded
■ Winding: enamel copper flat wire
■ Self-leaded construction under body termination
Features
■ Very high rated current
■ Extremely low DC resistance
■ Low profile and smallest possible footprint
■ Suitable for pick and place processes
■ RoHS-compatible
Applications
Energy storage chokes for
■ DC/DC converters
■ VRM modules
■ POL converters
Terminals
Lead-free tinned
Marking
Manufacturer, ordering code, inductance,
date of manufacture, coded (YYWW)
Delivery mode and packing unit
■ Polyfoam tray
■ Packing unit (see next page)
Please read Cautions and warnings and
Important notes at the end of this document.
2
10/08
SMT power inductors
Helically wound
B82559*A025
ERU 25
Dimensional drawing and layout recommendation
6.2±0.3
22.2±0.3
IND0776-L
Dimensions in mm
Packing
25.7
5
7 x 32 = 224
255
12
285
H
IND0710-K
Dimensions in mm
Height (mm)
Packing unit
component h tray H
per tray per box
8.95
10.75
11.95
12.85
19
21
22
23
40
40
40
40
320
280
240
240
Please read Cautions and warnings and
Important notes at the end of this document.
3
10/08
SMT power inductors
Helically wound
B82559*A025
ERU 25
Technical data and measuring conditions
Rated inductance LR
Measured with Wayne-Kerr 3260A/3265B
at 10 kHz, 0.1 V, 25 °C
Inductance tolerance
Saturation current Isat
±7%
Current that will result in approx. 20% drop in
inductance values.
Temperature response needs to be verified in specific
applications. Test results on request.
DC resistance Rtyp
Measured at 25 °C, tolerance ±15% (closer tolerances
on request), typical values
Self-resonant frequency
Solderability
> 1 MHz
235 °C, 5 s, wetting > 90% (IEC 60068-2-58)
To JEDEC J-STD 020C
−40 °C … +130 °C
Resistance to soldering heat
Operating temperature
Storage conditions (packaged)
–25 °C … +40 °C, ≤ 75% RH
Characteristics and ordering codes
LR
Isat
Rtyp
Height h
max.
Approx.
weight
Ordering code
μH
A
mΩ
0.2
0.4
0.6
1.0
1.3
1.6
2.0
2.2
mm
g
0.44
71
50
41
33
30
28
26
24
8.95
22.1
24.4
29.5
21.8
25.2
26.3
27.5
29.6
B82559A1042A025
B82559A2122A025
B82559A3232A025
B82559A3292A025
B82559A4432A025
B82559A5612A025
B82559A6792A025
B82559A7103A025
1.25
2.3
10.75
11.95
10.75
10.75
11.95
12.85
12.85
2.9
4.35
6.1
7.9
10.0
Sample kit available. Ordering code: B82559X002
For more information refer to chapter “Sample kits”.
Please read Cautions and warnings and
Important notes at the end of this document.
4
10/08
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.
5
10/08
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.
6
03/09
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