# Power Inductor (SMD), 4.7 µH, 1.5 A, Unshielded, 2.1 A, SDR0703 Series

![Product image](https://novapart.co/image/farnell:1929708/)

**URL**: https://novapart.co/products/SDR0703-4R7ML/power-inductor-smd-47-h-15-a-unshielded-21-sdr0703
**SKU**: SDR0703-4R7ML
**Manufacturer**: BOURNS
**Category**: Passive Components || Inductors || Power Inductors || SMD Power Inductors
**Price**: €0.2670
**Stock**: 10+
**Lead Time**: 106 days (indicative)

## Description

Inductance:4.7µH; RMS Current (Irms):1.5A; Inductor Construction:Unshielded; Saturation Current (Isat):2.1A; Product Range:SDR0703 Series; Power Inductor Case:6.5mm x 4.5mm x 2.7mm; DC

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| Inductance | 4.7µH |
| Product Range | SDR0703 Series |
| Product Width | 4.5mm |
| Product Height | 2.7mm |
| Product Length | 6.5mm |
| Dc Resistance Max | 0.1ohm |
| Rms Current (Irms) | 1.5A |
| Power Inductor Case | 6.5mm x 4.5mm x 2.7mm |
| Inductance Tolerance | ± 20% |
| Inductor Construction | Unshielded |
| Saturation Current (Isat) | 2.1A |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:1929708/)

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**----- Start of picture text -----**<br>
*RoHS COMPLIANT<br>**----- End of picture text -----**<br>


## **Features** 

n Available in E12 series n Low height of only 2.7 mm n High Isat of 3.2 amps n RoHS compliant* 

## **Applications** 

n Input/output of DC/DC converters n Power supplies for: 

- Portable communications equipment - Camcorders - LCD TVs - Car radios 

## **SDR0703 Series - SMD Power Inductors** BOURNS i ~~ee~~ 

## ~~**Electrical Specifcations**~~ 

|nLow height of only 2.7 mm<br>nHigh Isat of 3.2 amps<br>nRoHS compliant*<br>**SDR0703 Series - SMD** **Power Inductors**<br>~~**Electrical Specifcations**~~**i**~~**cations**~~<br>***RoHS COMPLIANT**<br>BOURNS ii~~ee~~|nLow height of only 2.7 mm<br>nHigh Isat of 3.2 amps<br>nRoHS compliant*<br>**SDR0703 Series - SMD** **Power Inductors**<br>~~**Electrical Specifcations**~~**i**~~**cations**~~<br>***RoHS COMPLIANT**<br>BOURNS ii~~ee~~|nLow height of only 2.7 mm<br>nHigh Isat of 3.2 amps<br>nRoHS compliant*<br>**SDR0703 Series - SMD** **Power Inductors**<br>~~**Electrical Specifcations**~~**i**~~**cations**~~<br>***RoHS COMPLIANT**<br>BOURNS ii~~ee~~|nLow height of only 2.7 mm<br>nHigh Isat of 3.2 amps<br>nRoHS compliant*<br>**SDR0703 Series - SMD** **Power Inductors**<br>~~**Electrical Specifcations**~~**i**~~**cations**~~<br>***RoHS COMPLIANT**<br>BOURNS ii~~ee~~|nLow height of only 2.7 mm<br>nHigh Isat of 3.2 amps<br>nRoHS compliant*<br>**SDR0703 Series - SMD** **Power Inductors**<br>~~**Electrical Specifcations**~~**i**~~**cations**~~<br>***RoHS COMPLIANT**<br>BOURNS ii~~ee~~|nLow height of only 2.7 mm<br>nHigh Isat of 3.2 amps<br>nRoHS compliant*<br>**SDR0703 Series - SMD** **Power Inductors**<br>~~**Electrical Specifcations**~~**i**~~**cations**~~<br>***RoHS COMPLIANT**<br>BOURNS ii~~ee~~|nLow height of only 2.7 mm<br>nHigh Isat of 3.2 amps<br>nRoHS compliant*<br>**SDR0703 Series - SMD** **Power Inductors**<br>~~**Electrical Specifcations**~~**i**~~**cations**~~<br>***RoHS COMPLIANT**<br>BOURNS ii~~ee~~|nLow height of only 2.7 mm<br>nHigh Isat of 3.2 amps<br>nRoHS compliant*<br>**SDR0703 Series - SMD** **Power Inductors**<br>~~**Electrical Specifcations**~~**i**~~**cations**~~<br>***RoHS COMPLIANT**<br>BOURNS ii~~ee~~|nLow height of only 2.7 mm<br>nHigh Isat of 3.2 amps<br>nRoHS compliant*<br>**SDR0703 Series - SMD** **Power Inductors**<br>~~**Electrical Specifcations**~~**i**~~**cations**~~<br>***RoHS COMPLIANT**<br>BOURNS ii~~ee~~|nLow height of only 2.7 mm<br>nHigh Isat of 3.2 amps<br>nRoHS compliant*<br>**SDR0703 Series - SMD** **Power Inductors**<br>~~**Electrical Specifcations**~~**i**~~**cations**~~<br>***RoHS COMPLIANT**<br>BOURNS ii~~ee~~|nLow height of only 2.7 mm<br>nHigh Isat of 3.2 amps<br>nRoHS compliant*<br>**SDR0703 Series - SMD** **Power Inductors**<br>~~**Electrical Specifcations**~~**i**~~**cations**~~<br>***RoHS COMPLIANT**<br>BOURNS ii~~ee~~|nLow height of only 2.7 mm<br>nHigh Isat of 3.2 amps<br>nRoHS compliant*<br>**SDR0703 Series - SMD** **Power Inductors**<br>~~**Electrical Specifcations**~~**i**~~**cations**~~<br>***RoHS COMPLIANT**<br>BOURNS ii~~ee~~|
|---|---|---|---|---|---|---|---|---|---|---|---|
|~~**Electrical Specifcations**~~**i**~~**cations**~~<br>**Inductance**||||||||||||
|**Bourns**<br>**Part Number**|**Inductance**<br>**100 kHz**<br>**(µH)**<br>**Tol. %**||**Q**<br>**Ref.**<br>**Frequency**|**Test**<br>**Frequency**<br>**SRF**<br>**Min.**||**SRF**<br>**Min.**<br>**MHz)**<br>**RDC**<br>**Max.**<br>**(**W**)**|**I rms**<br>**Max.**<br>**(A)**||**I sat**<br>**Typ.**<br>**(A)**|||
|||||**(MHz)**<br>**(MHz**||||||||
|SDR0703-1R0ML|1.0|± 20|25|7.96<br>160.0||160.0<br>0.042|2.20||3.20|||
|SDR0703-1R2ML|1.2|± 20|25|7.96<br>145.0||145.0<br>0.047|2.00||3.00|||
|SDR0703-1R8ML|1.8|± 20|25|7.96<br>105.0||105.0<br>0.052|1.90||2.70|||
|SDR0703-2R2ML|2.2|± 20|24|7.96<br>95.0||95.0<br>0.060|1.80||2.60|||
|SDR0703-2R7ML|2.7|± 20|23|7.96<br>80.0||80.0<br>0.065|1.70||2.50|||
|SDR0703-3R3ML|3.3|± 20|23|7.96<br>65.0||65.0<br>0.075|1.65||2.35|||
|SDR0703-3R9ML|3.9|± 20|22|~~7.96~~<br>~~70.0~~||~~70.0~~<br>0.080|1.58||2.25|||
|SDR0703-4R7ML|4.7|± 20|20|7.96<br>60.0||60.0<br>0.100|1.50||2.10|||
|SDR0703-5R6ML|5.6|± 20|20|7.96<br>56.0||56.0<br>0.105|1.40||2.00|||
|SDR0703-6R8ML|6.8|± 20|20|7.96<br>45.0||45.0<br>0.115|1.30||1.90|||
|SDR0703-8R2ML|8.2|± 20|20|7.96<br>40.0||40.0<br>0.150|1.10||1.50|||
|SDR0703-100KL|10|± 10|23|2.52<br>36.0||36.0<br>0.170|1.00||1.40|||
|SDR0703-120KL|12|± 10|20|2.52<br>36.0||36.0<br>0.180|0.90||1.30|||
|SDR0703-150KL|15|± 10|23|2.52|30.0|30.0<br>0.240|0.75||1.12|||
|SDR0703-180KL|18|± 10|20|2.52|30.0|30.0<br>0.280|0.70||1.~~0~~5|||
|||||||||||||
|SDR0703-220KL|22|± 10|20|2.52<br>26.0||26.0<br>0.300|0.65||0.95|||
|||||||||||||
|SDR0703-270KL|27|± 10|20|2.52|20.0|20.0<br>0.400|0.60||0.88|||
|SDR0703-330KL|33|± 10|17|2.52|20.0|20.0<br>0.450|0.56||0.82|||
|SDR0703-390KL|39|± 10|18|2.52|18.0|18.0<br>0.550|0.50||0.73|||
|SDR0703-470KL|47|± 10|20|~~2.52~~|~~15.0~~|~~15.0~~<br>~~0.720~~|~~0.40~~||0.64|||
|SDR0703-560KL|56|± 10|20|2.52<br>13.0||13.0<br>0.800|0.39||0.60|||
|SDR0703-680KL<br>SDR0703-820KL<br>SDR0703-101KL|68<br>82<br>100|± 10<br>± 10<br>± 10|18<br>18<br>33|2.52<br>13.0<br>2.52<br>12.0<br>0.796<br>11.0||13.0<br>0.900<br>12.0<br>1.18<br>11.0<br>1.56|0.38<br>0.33<br>0.27||0.56<br>0.47<br>0.40|||
|SDR0703-101KL<br>SDR0703-121KL<br>SDR0703-151KL|100<br>120<br>150|± 10<br>± 10<br>± 10|33<br>32<br>30|0.796<br>11.0<br>0.796<br>10.0<br>0.796<br>9.0||11.0<br>1.56<br>10.0<br>1.75<br>9.0<br>2.00|0.27<br>0.26<br>0.25||0.40<br>0.37<br>0.34|||
|SDR0703-181KL|180|± 10|33|0.796<br>7.0||7.0<br>2.70|0.19||0.30|||
|SDR0703-221KL|220|± 10|31|0.796<br>7.0||7.0<br>3.00|0.18||0.28|||
|SDR0703-271KL|270|± 10|30|0.796<br>7.0||7.0<br>3.60|0.17||0.22|||
|SDR0703-331KL|330|± 10|33|0.796<br>6.0||6.0<br>4.80|0.16||0.19|||
|SDR0703-391KL|390|± 10|36|0.796|5.5|5.5<br>6.20|0.14||0.18|0.18|0.18|
|SDR0703-471KL|470|± 10|33|0.796|5.0|5.0<br>7.00|0.13||0.16|0.16|0.16|
|SDR0703-561KL|560|± 10|36|0.796<br>4.2||4.2<br>9.20|0.11||0.15|||
|SDR0703-681KL|680|± 10|32|0.796<br>4.0||4.0<br>10.50|0.10||0.15|||
|SDR0703-821KL|820|± 10|32|0.796<br>3.6||3.6<br>12.00|0.09||0.14|||
|SDR0703-102KL|1000|± 10|30|0.252<br>3.2||3.2<br>14.20|0.08||0.13|||



## ~~**General Specifcations**~~ 

Test Voltage ..................................... 0.1 V Reflow Soldering .... 230 °C, 50 sec. max. Operating Temperature ...-40 °C to +125 °C (Temperature rise included) Storage Temperature ... -40 °C to +125 °C Resistance to Soldering Heat ................................+260 °C for 5 sec.. Moisture Sensitivity Level .......................1 ESD Classification (HBM).................... 3B 

## ~~**Materials**~~ 

Core ............................................... Ferrite Wire ..................Enameled copper 130 °C Adhesive .....................................6020H-6 Terminal .................................... Sn/Ag/Cu Rated Current ..Ind. drop 10 % typ. at Isat Temp. Rise.........20 °C max. at rated Irms Packaging ......................500 pcs. per reel 

## ~~**Product Dimensions**~~ 

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6.5 ± 0.3<br>(.256 ± .012)<br>4.5 ± 0.2<br> ategepsosedpSesegoor)| FebPerotSSRAL (.177 ± .008)<br>ROU|<br>2.7 ± 0.2<br>(.106 ± .008)<br>2.4<br>REF.<br>(.094)<br>4.9<br>(.193)<br>REF.<br>**----- End of picture text -----**<br>


## ~~**Recommended Layout**~~ 

## ~~**Electrical Schematic**~~ 

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**----- Start of picture text -----**<br>
Typical Part Marking<br>START<br>BasesbesesdRy ® 100<br>**----- End of picture text -----**<br>


*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Specifications are subject to change without notice. 

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**----- Start of picture text -----**<br>
7.0<br>(.276)<br>REF. 3.2<br>_—_ (.126)<br>REF.<br>_——<br>1.5 4.0 1.5<br>REF. REF.<br>(.059) (.157) (.059)<br>REF.<br>MM<br>DIMENSIONS:<br>(INCHES)<br>**----- End of picture text -----**<br>


The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. 

## **SRF0504 Series - Line Filt SDR0703 Series - SMD Po** ~~**erwer Indu**~~ **ctors** 

## ~~**Packaging Specifcations**~~ 

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**----- Start of picture text -----**<br>
2.0 ± 0.5<br>178.0 (.079 ± .020)<br>(7.00) 18.4<br>DIA. (.724)<br>7” TC Tr<br>THICKNESS<br>13.0 ± 0.5 0.10<br>(.827 21.0 ±± .031) 0.8 (.512 DIA.± .020) (.004)MAX.<br>EMBOSSED<br>50.0 CAVITY<br>(1.969)<br>13.0 ± 0.5<br>(.512 ± .020) [DIA.]<br>EMBOSSED<br>CARRIER ><br>14.0 24 0<br>—|- |<br>(.551)<br>8.0 4.0<br>(.315) (.157)<br>“4<br>MM<br>O|IOO0|IO0O0OGPOoQ DIMENSIONS: —<br>(INCHES)<br>100 100 100 100 100<br>(CS) (a<br>**----- End of picture text -----**<br>


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**----- Start of picture text -----**<br>
QTY: 500 PCS. PER REEL<br>**----- End of picture text -----**<br>


REV. 06/17 

Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. 



## Links

- [View this product on Novapart](https://novapart.co/products/SDR0703-4R7ML/power-inductor-smd-47-h-15-a-unshielded-21-sdr0703)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/bourns/sdr0703-4r7ml/inductor-4-7uh-20-1-5a-power/dp/1929708)
---

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