SMT power inductors
Size 12.5 x 12.5 x 8.5 mm
Series/Type: B82477R4
Ordering code:
Date: April 2015
Version:
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Identification/Classification 1
(header 1 + top left bar):
SMT power inductors
Identification/Classification 2
(header 2 + bottom left header bar):
Size 12.5 x 12.5 x 8.5 mm
Ordering code: (top right header bar)
Series/Type: (bottom right header bar) B82477R4
Preliminary data (optional):
(if necessary)
MAG IN PD
EPCOS AG 2015. Reproduction, publication and dissemination of this public ation, enclosures hereto and the information
contained therein without EPCOS' prior express consent is prohibited.
EPCOS AG is a TDK Group Company.
SMT power inductors
Size 12.5 x 12.5 x 8.5 mm B82477R4
MAG IN PD April 2015
Please read Cautions and warnings and Page 2 of 8
Important notes at the end of this document.
Rated inductance 0.82 ...1000 µH
Construction
■
Ferrite core
■
Magnetically shielded
■
Winding: enamel copper wire
■
Winding soldered to terminals
■
Injection moulded base
Features
■
High mechanical stability
■
Temperature range up to +150 °C
■
High rated current
■
Increased current handling capability compared to B82477P4 series (Isat +30%)
■
Qualified to AEC-Q200
■
Suitable for lead-free reflow soldering as referenced in JEDEC J-STD 020D
■
RoHS-compatible
■
Halogen Free in the meaning of Cl ≤ 900ppm, Br ≤ 900pm, Cl+Br ≤ 1500 ppm
Applications
■
Filtering of supply voltages
■
Coupling, decoupling
■
DC/DC converters
■
Automotive electronics
Terminals
■
Base material
Cu (L ≤ 10 µH), CuSn6P (L > 15 µH)
■
Layer composition Ni, Sn (lead-free)
■
Electro-plated
Marking
■
Marking on component:
Manufacturer, L value (µH, coded),
manufacturing date (YWWD)
■
Minimum data on reel:
Manufacturer, ordering code, L value,
quantity, date of packing
Delivery mode and packing unit
■
24-mm blister tape, wound on 330-mm reel
■
Packing unit: 350 pcs./reel
SMT power inductors
Size 12.5 x 12.5 x 8.5 mm B82477R4
MAG IN PD April 2015
Please read Cautions and warnings and Page 3 of 8
Important notes at the end of this document.
Dimensional drawing and layout recommendation
Dimensions in mm
Taping and packing
Blister tape
Dimensions in mm
SMT power inductors
Size 12.5 x 12.5 x 8.5 mm B82477R4
MAG IN PD April 2015
Please read Cautions and warnings and Page 4 of 8
Important notes at the end of this document.
Technical data and measuring conditions
Rated inductance LR Measured with LCR meter Agilent 4284A at frequency fL, 0.1 V.
+20°C
Operating temperature range –55 °C ... +150 °C
Rated current IR Max. permissible DC with temperature increase of ≤ 40 K
measured at +20 °C
Saturation current ISat Max. permissible DC current with inductance decrease ∆L/L0 of
approx. 10%
DC resistance R Measured at +20 °C
Solderability (lead-free)
Dip and look method Sn95.5Ag3.8Cu0.7:
+(245 ±5) °C, (5 ±0.3) s
Wetting of soldering area ≥ 90%
(based on IEC 60068-2-58)
Resistance to soldering heat +260 °C, 40 s (as referenced in JEDEC J-STD 020D)
Climatic category 55/150/56 (to IEC 60068-1)
Storage conditions Mounted: –55 °C … +150 °C
Packaged: –25 °C … +40 °C, ≤ 75% RH
Weight Approx. 4 g
SMT power inductors
Size 12.5 x 12.5 x 8.5 mm B82477R4
MAG IN PD April 2015
Please read Cautions and warnings and Page 5 of 8
Important notes at the end of this document.
Characteristics and ordering codes
LR
µH
Tolerance fL
MHz
IR
A
Isat, min
A
Isat, typ
A
Rmax
mΩ
Rtyp
mΩ
Ordering code
0.82
20% = M
0.1
12.25 27.0 38.0 5.5 3.8 B82477R4821M100
1.50 10.25 20.0 27.0 6.5 4.8 B82477R4152M100
2.00 9.50 18.0 24.0 8.0 5.9 B82477R4202M100
3.00 8.70 15.5 18.0 9.0 6.8 B82477R4302M100
3.60 8.50 13.0 16.0 10.0 7.9 B82477R4362M100
4.70 7.85 12.2 14.25 11.0 8.9 B82477R4472M100
5.60 7.60 11.0 12.75 11.5 9.9 B82477R4562M100
6.80 6.95 10.5 12.0 15.0 11.0 B82477R4682M100
10 6.20 8.75 10.25 18.5 16.4 B82477R4103M100
15 5.00 7.25 8.75 25.0 22.8 B82477R4153M100
22 4.45 6.10 7.25 32.0 28.1 B82477R4223M100
33 3.55 5.20 6.00 50.0 46.3 B82477R4333M100
47 3.35 4.30 4.90 60.0 55.7 B82477R4473M100
68 2.80 3.55 3.90 85.0 80.1 B82477R4683M100
100 2.35 2.90 3.25 120 112 B82477R4104M100
150 1.90 2.40 2.80 175 158 B82477R4154M100
220 1.45 2.00 2.20 290 275 B82477R4224M100
330 1.18 1.70 1.80 425 405 B82477R4334M100
470 1.07 1.35 1.50 605 578 B82477R4474M100
680 0.88 1.10 1.25 860 830 B82477R4684M100
1000 0.72 0.95 1.05 1350 1250 B82477R4105M100
Current derating Iop/IR versus ambient temperature TA
SMT power inductors
Size 12.5 x 12.5 x 8.5 mm B82477R4
MAG IN PD April 2015
Please read Cautions and warnings and Page 6 of 8
Important notes at the end of this document.
Typical curves:
Inductance vs. DC superposition measured with LCR meter Agilent 4284A at Ta= +20 °C
820nH
0.0
0.2
0.4
0.6
0.8
1.0
1.2
0 5000 10000 15000 20000 25000 30000 35000 40000
Idc [mA]
L / µH
3µH
0.0
1.0
2.0
3.0
4.0
5.0
0 2000 4000 6000 8000 10000 12000 14000 16000 18000 20000
Idc [mA]
L/µH
10µH
0.0
2.5
5.0
7.5
10.0
12.5
15.0
0 2000 4000 6000 8000 10000 12000 14000
Idc [mA]
L/µH
33µH
0
10
20
30
40
50
0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000
Idc [mA]
L/µH
100µH
0
25
50
75
100
125
150
0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000
Idc [mA]
L/µH
330µH
0
100
200
300
400
500
0 500 1000 1500 2000 2500 3000
Idc [mA]
L/µH
1000µH
0
250
500
750
1000
1250
1500
0 200 400 600 800 1000 1200 1400 1600
Idc [mA]
L/µH
SMT power inductors
Size 12.5 x 12.5 x 8.5 mm B82477R4
MAG IN PD April 2015
Please read Cautions and warnings and Page 7 of 8
Important notes at the end of this document.
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-frequecy 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 EPCOS product can be represented differently in data
sheets, data books, other publications, on the EPCOS website, 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
Important notes
Page 8 of 8
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, Alu-X, CeraDiode, CeraLink, CeraPad, CeraPlas, CSMP, CSSP,
CTVS, DeltaCap, DigiSiMic, DSSP, ExoCore, FilterCap, FormFit, LeaXield, MiniBlue, MiniCell,
MKD, MKK, MotorCap, PCC, PhaseCap, PhaseCube, PhaseMod, PhiCap, PQSine, SIFERRIT,
SIFI, SIKOREL, SilverCap, SIMDAD, SiMic, SIMID, SineFormer, SIOV, SIP5D, SIP5K, TFAP,
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.
Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
EPCOS / TDK:
B82477R4103M100 B82477R4104M100 B82477R4474M100 B82477R4821M100 B82477R4105M100
B82477R4682M100 B82477R4154M100 B82477R4362M100 B82477R4333M100 B82477R4334M100
B82477R4202M100 B82477R4473M100 B82477R4223M100 B82477R4562M100 B82477R4472M100
B82477R4683M100 B82477R4224M100 B82477R4152M100 B82477R4302M100 B82477R4153M100
