Datasheet

ManualsBrandsWÜRTH ELEKTRONIK ManualsCoils & ChokesSmoothing choke SMD 4.7 µH 13 mΩ 7.4 A 1 pc(s)

Dimensions: [mm]

Scale - 4:1

2,75 ±0,25

1,3 ±0,1

4,9 ±0,4

0,6 ±0,3

5,8 ±0,3

6,65 ±0,2

6,45 ±0,2

Start of Winding •

Marking 4R7 (Inductance Code)

Product Marking:

Recommended Land Pattern: [mm]

Scale - 4:1

no vias and traces in restricted area

Solder Resist

5,5

2,551,45

Schematic:

Properties Test conditions Value Unit Tol.

Inductance 100 kHz/ 10mA L 4.7 µH ±20

Rated Current ΔT = 40 K I

7.4 A max.

Saturation Current |ΔL/L| < 30 % I

SAT

14.7 A typ.

DC Resistance @ 20°C R

13 mΩ ±10

Self Resonant

Frequency

res

25 MHz typ.

Electrical Properties:

It is recommeded that the temperature of the component does not exceed +125°C under worst

case conditions

Ambient Temperature

(refering to I

-40 °C up to +85 °C

Operating Temperature -40 °C up to +125 °C

Storage Temperature (in

original packaging)

-20°C up to +40°C; < 75% RH

Test conditions of Electrical Properties: 20°C, 33% RH if not specified differently

General Properties:

Würth Elektronik eiSos GmbH & Co. KG

EMC & Inductive Solutions

Max-Eyth-Str. 1

74638 Waldenburg

Germany

Tel. +49 (0) 79 42 945 - 0

www.we-online.com

eiSos@we-online.com

CREATED CHECKED GENERAL TOLERANCE PROJECTION

METHOD

KaS DDe DIN ISO 2768-1m

DESCRIPTION

WE-XHMI SMD Power Inductor

ORDER CODE

74439346047

SIZE REVISION STATUS DATE BUSINESS UNIT PAGE

6060 001.000 Valid 2016-04-01 eiSos 1/7

This electronic component has been designed and developed for usage in general electronic equipment only. This product is not authorized for use in equipment where a higher safety standard and reliability standard is especially required or where a failure of the product is reasonably expected to cause severe personal injury or death, unless the parties have executed an agreement specifically governing such use. Moreover Würth Elektronik eiSos GmbH

& Co KG products are neither designed nor intended for use in areas such as military, aerospace, aviation, nuclear control, submarine, transportation (automotive control, train control, ship control), transportation signal, disaster prevention, medical, public information network etc.. Würth Elektronik eiSos GmbH & Co KG must be informed about the intent of such usage before the design-in stage. In addition, sufficient reliability evaluation checks for safety

must be performed on every electronic component which is used in electrical circuits that require high safety and reliability functions or performance.

Summary of content (7 pages)

PAGE 1
Dimensions: [mm] Recommended Land Pattern: [mm] Electrical Properties: 2,75 ±0,25 4,9 ±0,4 1,45 2,55 1,3 ±0,1 5,5 Properties Test conditions Value Unit Tol. Inductance 100 kHz/ 10mA L 4.7 µH ±20 Rated Current ΔT = 40 K IR 7.4 A max. Saturation Current |ΔL/L| < 30 % ISAT 14.7 A typ. DC Resistance @ 20°C RDC 13 mΩ ±10 fres 25 MHz typ.
PAGE 2
Typical Temperature Rise vs. Current Characteristics: 5.0 100.0 4.5 90.0 4.0 80.0 3.5 70.0 3.0 60.0 Temperature Rise [K] Inductance [µH] Typical Inductance vs. Current Characteristics: 2.5 2.0 1.5 50.0 40.0 30.0 1.0 20.0 0.5 10.0 0.0 0.0 0.0 2.0 4.0 6.0 8.0 10.0 Current [A] 12.0 14.0 16.0 Würth Elektronik eiSos GmbH & Co. KG EMC & Inductive Solutions Max-Eyth-Str. 1 74638 Waldenburg Germany Tel. +49 (0) 79 42 945 - 0 0.0 2.0 4.0 6.
PAGE 3
Typical Impedance Characteristics: Impedance [Ω] 10000 1000 100 10 1 0.01 0.1 1 10 100 Frequency [MHz] Würth Elektronik eiSos GmbH & Co. KG EMC & Inductive Solutions Max-Eyth-Str. 1 74638 Waldenburg Germany Tel. +49 (0) 79 42 945 - 0 CREATED CHECKED GENERAL TOLERANCE KaS DDe DIN ISO 2768-1m PROJECTION METHOD DESCRIPTION WE-XHMI SMD Power Inductor ORDER CODE www.we-online.com eiSos@we-online.com 74439346047 SIZE REVISION STATUS DATE BUSINESS UNIT PAGE 6060 001.
PAGE 4
P0 P2 T B W3 OC W** close to center A N B1 W B0 E2 F E1 D0 G top cover tape D1 K0 A0 OD B T1 T2 P1 W2 B Carrier Tape Feeding direction End No Component min. 160 mm Start Components No Component min. 100 mm Cover Tape min. 400 mm Packaging is referred to the international standard IEC 60286 -3:2013 tolerance size 6030 6060 8080 1090 A0 ±0,1 7.6 7.6 9 12.4 B0 ±0,1 7.5 7.5 8.85 11.3 B1 typ. 8.65 9.35 13 14.8 W ±0,2 16 16 24 24 T ±0,05 0.4 0.4 0.6 0.5 T1 typ. 0.15 0.15 0.
PAGE 5
Classification Reflow Profile for SMT components: Classification Reflow Soldering Profile: Profile Feature Tp tp Max. Ramp Up Rate = 3°C/s Max. Ramp Down Rate = 6°C/s TL Temperature Ts max TC –5°C Ts min 150 °C Preheat Temperature Max Ts max 200 °C ts Preheat Time ts from Ts min to Ts max Ramp-up Rate (TL to TP) Ts min 60 - 120 seconds 3 °C/ second max.
PAGE 6
Cautions and Warnings: The following conditions apply to all goods within the product series of WE-XHMI of Würth Elektronik eiSos GmbH & Co. KG: General: All recommendations according to the general technical specifications of the data sheet have to be complied with. The usage and operation of the product within ambient conditions, which probably alloy or harm the wire isolation, has to be avoided.
PAGE 7
Important Notes 6. Product Life Cycle The following conditions apply to all goods within the product range of Würth Elektronik eiSos GmbH & Co. KG: Due to technical progress and economical evaluation we also reserve the right to discontinue production and delivery of products. As a standard reporting procedure of the Product Termination Notification (PTN) according to the JEDEC-Standard we will inform at an early stage about inevitable product discontinuance.