# Power Inductor (SMD), 56 µH, 1.6 A, Shielded, 1.4 A, SRU1048 Series

![Product image](https://novapart.co/image/farnell:2859230/)

**URL**: https://novapart.co/products/SRU1048-560Y/power-inductor-smd-56-h-16-a-shielded-14-sru1048
**SKU**: SRU1048-560Y
**Manufacturer**: BOURNS
**Category**: Passive Components || Inductors || Power Inductors || SMD Power Inductors
**Price**: €0.6070
**Stock**: 10+

## Description

Inductance:56µH; RMS Current (Irms):1.6A; Inductor Construction:Shielded; Saturation Current (Isat):1.4A; Product Range:SRU1048 Series; Power Inductor Case:10mm x 10mm x 4.8mm; DC Re

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (21-Jan-2025) |
| Inductance | 56µH |
| Product Range | SRU1048 Series |
| Product Width | 10mm |
| Product Height | 4.8mm |
| Product Length | 10mm |
| Dc Resistance Max | 0.11ohm |
| Rms Current (Irms) | 1.6A |
| Power Inductor Case | 10mm x 10mm x 4.8mm |
| Inductance Tolerance | ± 30% |
| Inductor Construction | Shielded |
| Inductor Case / Package | - |
| Saturation Current (Isat) | 1.4A |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2859230/)

## **Features** 

## **Applications** 

**==> picture [102 x 153] intentionally omitted <==**

**----- Start of picture text -----**<br>
Electrical Specifcations<br>330<br>*RoHS COMPLIANT<br>**----- End of picture text -----**<br>


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

n Available in E6 series n Unit height of 4.8 mm n Current up to 7.8 A n RoHS compliant* 

- Portable communication equipment •  Camcorders •  LCD TVs 

## **SRU1048 Series - Shielded SMD Power Inductors** 

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

Test Voltage .......................................1 V Reflow Soldering .. 230 °C, 50 sec. max. Operating Temperature ................................-40 °C to +125 °C 

|**Bourns**<br>**Part Number**<br>~~pt~~|**Inductance**<br>**@ 100  KHz**<br>~~pt~~|**Inductance**<br>**@ 100  KHz**<br>~~pt~~|**Q**<br>**(Ref.)**<br>~~pt~~|**Test**<br>**Freq.**<br>**(MHz)**<br>~~pt~~|**SRF**<br>**Typ.**<br>**(MHz)**<br>~~pt~~|**RDC**<br>**(m**W**)**<br>~~pt~~|**I rms**<br>**Max.**<br>**(A)**<br>~~pt~~|**I sat**<br>**Typ.**<br>**(A)**<br>~~pt~~|****K-**<br>**Factor**<br>~~pt~~|
|---|---|---|---|---|---|---|---|---|---|
||**L (µH)**<br>~~pt~~|**Tol.**<br>**(%)**<br>~~pt~~||||||||
|SRU1048-R80Y<br>~~pt~~<br>~~—~~|0.8<br>~~pt~~<br>|±30<br>~~pt~~<br>|8<br>~~pt~~<br>|7.96<br>~~pt~~<br>|100.0<br>~~pt~~<br>|3.6<br>~~pt~~<br>|7.80<br>~~pt~~<br>~~ee~~|8.50<br>~~pt~~|266<br>~~pt~~|
|SRU1048-1R5Y<br>~~pt~~<br>~~a~~<br>~~—~~<br>~~—~~|1.5<br>~~pt~~<br>~~oe ee~~<br>|±30<br>~~pt~~<br>~~a se~~<br>~~ee~~<br>|14<br>~~pt~~<br>~~se~~<br>~~ee~~<br>|7.96<br>~~pt~~<br>~~se~~<br>~~ee~~<br>|70.0<br>~~pt~~<br>~~se~~<br>~~oe~~|4.3<br>~~pt~~<br>~~se~~<br>~~oe~~|7.00<br>~~pt~~<br>~~se~~<br>~~ee~~|7.20<br>~~pt~~<br>~~se~~|207<br>~~pt~~<br>~~se~~|
|SRU1048-2R2Y<br>~~—~~<br>~~—~~|2.2<br>~~oe ee~~<br>|±30<br>~~ee~~<br>|14<br>~~ee~~<br>|7.96<br>~~ee~~<br>|55.0<br>~~oe~~|5.3<br>~~oe~~|6.50<br>~~ee~~|6.30|169|
|SRU1048-3R0Y<br>~~—~~ <br>~~—~~<br>~~—~~|3.0<br> ~~oe ee~~<br>~~oe ee~~|±30<br>~~ee~~<br>~~ee~~|14<br>~~ee~~<br>~~ee~~|7.96<br>~~ee~~<br>~~ee~~|40.0<br>~~oe~~|7.2<br>~~oe~~|6.20<br>~~ee~~|6.00|143|
|SRU1048-4R7Y<br> <br>~~—~~<br>~~—~~|4.7<br> ~~oe ee~~<br>~~oe ee~~|±30<br>~~ee~~<br>~~ee~~|12<br>~~ee~~<br>~~ee~~|7.96<br>~~ee~~<br>~~ee~~|30.0<br>~~oe~~|9.5<br>~~oe~~|5.50|4.75|124|
|SRU1048-6R8Y<br> <br>~~— ~~<br>~~—~~<br>~~es~~|6.8<br> ~~oe ee~~<br> ~~oe ee~~<br>~~oe~~|±30<br>~~ee~~<br>~~ee~~<br>~~ee~~|10<br>~~ee~~<br>~~ee~~<br>~~ee~~|7.96<br>~~ee ~~<br>~~ee~~|20.0<br> ~~oe~~|13.6<br>~~oe~~|4.80|4.10|98|
|SRU1048-8R2Y<br> <br>~~—~~<br>~~es~~|8.2<br> ~~oe ee~~<br>~~oe~~|±30<br>~~ee~~<br>~~ee~~|8<br>~~ee~~<br>~~ee~~|7.96<br>~~ee~~|18.0|15.0|4.60|3.80|89|
|SRU1048-100Y<br> <br>~~—~~<br>~~es~~|10.0<br> ~~oe ee~~<br>~~oe~~|±30<br>~~ee~~<br>~~ee~~|26<br>~~ee~~<br>~~ee~~|7.96<br>~~ee~~|16.0|18.5|4.50|3.70|89|
|SRU1048-120Y<br> <br>~~—~~<br>~~es~~|12.0<br> ~~oe ee~~<br>~~oe~~|±30<br>~~ee~~<br>~~ee~~|26<br>~~ee~~<br>~~ee~~|2.52<br>~~ee~~|15.0|25.0|4.00|3.30|81|
|SRU1048-150Y<br>~~es~~|15.0<br>~~oe~~|±30<br>~~ee~~|30<br>~~ee~~|2.52|14.0|29.0|3.20|2.70|69|
|SRU1048-220Y<br>~~es~~|22.0<br>~~oe~~|±30<br>~~ee~~|22<br>~~ee~~|2.52|12.0|42.0|2.60|2.00|56|
|SRU1048-330Y<br>~~es~~|33.0<br>~~oe ~~|±30<br> ~~ee~~|24<br>~~ee~~|2.52|10.0|63.0|2.10|1.70|48|
|SRU1048-470Y|47.0|±30|26|2.52|8.0|94.0|1.70|1.50|41|
|SRU1048-560Y|56.0|±30|26|2.52|7.0|110.0|1.60|1.40|34|
|SRU1048-680Y|68.0|±30|24|2.52|6.0|127.0|1.40|1.25|33|
|SRU1048-820Y|82.0|±30|24|2.52|5.5|149.0|1.30|1.10|30|
|SRU1048-101Y|100.0|±30|26|0.796|5.0|160.0|1.20|1.00|26|
|SRU1048-151Y<br>~~SESE~~|150.0<br>~~SESE~~|±30<br>~~SESE~~|24<br>~~SESE~~|0.796<br>~~SESE~~|4.5<br>|235.0<br>~~E EEE~~|1.00<br>~~EEE~~|0.80<br>~~EEE~~|21<br>~~EEE~~|
|SRU1048-221Y<br>~~SESE~~|220.0<br>~~SESE~~|±30<br>~~SESE~~|20<br>~~SESE~~|0.796<br>~~SESE~~|4.0<br>|350.0<br>~~E EEE~~|0.80<br>~~EEE~~|0.70<br>~~EEE~~|17<br>~~EEE~~|
|SRU1048-331Y<br>~~SESE~~|330.0<br>~~SESE~~|±30<br>~~SESE~~|18<br>~~SESE~~|0.796<br>~~SESE~~|3.0<br>|490.0<br>~~E EEE~~|0.65<br>~~EEE~~|0.52<br>~~EEE~~|15<br>~~EEE~~|
|SRU1048-561Y<br>~~SESE~~|560.0<br>~~SESE~~|±30<br>~~SESE~~|24<br>~~SESE~~|0.796<br>~~SESE~~|1.9<br>|890.0<br>~~E EEE~~|0.47<br>~~EEE~~|0.37<br>~~EEE~~|12<br>~~EEE~~|



(Temperature rise included) Storage Temperature .. -40 °C to +125 °C Resistance to Soldering Heat .............................+260 °C for 10 sec. Moisture Sensitivity Level ...................... 1 ESD Classification (HBM) .................. N/A 

## ~~**Materials**~~ 

Core ....................Ferrite DR and RI core Wire ............................Enameled copper Terminal ....................................Ag/Ni/Sn Rated Current ...................Ind. drop 35 % typ. at Isat Temperature Rise .....................30 °C max. at rated Irms Packaging .................... 600 pcs. per reel 

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

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**----- Start of picture text -----**<br>
10.0 ± 0.3<br>(.394 ± .012)<br>10.0 ± 0.3<br>(.3 94 ± .012)<br>o n<br>a 4.8 ± 0.3<br>(.189 ± .012)<br>7.4 3.4<br>(.291) [TYP.] (.134)<br>TYP.<br>3.2<br>(.126)<br>TYP.<br>3.4<br>TYP.<br>(.134)<br>**----- End of picture text -----**<br>


## ~~**Core Loss vs. Flux Density**~~ 

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**----- Start of picture text -----**<br>
10000<br>1000<br>100<br>   1 MHz<br>500 KHz<br>300 KHz<br>10<br>200 KHz<br>100 KHz<br>  50 KHz<br>1<br>0.1<br>100 1000 10000<br>Flux Density Bp-p (gauss)<br>Core Loss (mW)<br>**----- End of picture text -----**<br>


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

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**----- Start of picture text -----**<br>
7.2<br>(.283)<br>1.8 REF. 1.8<br>(.071) (.071)<br>REF. REF.<br>4F ocr<br>1<br>3.6<br>MM<br>DIMENSIONS: (.142)<br>(INCHES) REF.<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. 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 FilterU1048 Series - Shielded SMD Power Inductors** 

~~**Electrical Schematic**~~ 

**==> picture [156 x 97] intentionally omitted <==**

**----- Start of picture text -----**<br>
Inductor Connection<br>‘ LCR METER 4<br>**----- End of picture text -----**<br>


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

**==> picture [359 x 272] intentionally omitted <==**

**----- Start of picture text -----**<br>
330 2.0 ± 0.5 30.4<br>(12.99) — [DIA.] +e (.079 ± .020) (1.20) a oe THICKNESS<br>13.0 ± 0.5 /<br>21.0 ± 0.8<br>— (.827 ± .031) (.512 ± .020)DIA. So \ EMBOSSED<br>Wye| > N TT A\\Ns{0047 CAVITY<br>50.0<br>(1.969)<br>13.0 ± 0.5 Ra a t + \O<br>(.512 ± .020) [DIA.]<br>24<br>ae 26 (.945)<br>(1.02)<br>4<br>END (.157) Te START _-<br>-———_ 16<br>(.63)<br>NO COMPONENT NO COMPONENT<br>160 COMPONENTS 400<br>(6.299) (15.748)<br>USER DIRECTION OF FEED MM<br>DIMENSIONS:<br>(INCHES)<br>QTY: 600 PCS. PER REEL<br>**----- End of picture text -----**<br>


REV. 03/18 

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/SRU1048-560Y/power-inductor-smd-56-h-16-a-shielded-14-sru1048)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/bourns/sru1048-560y/power-inductor-56uh-1-6a-shielded/dp/2859230)
---

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