# Power Inductor (SMD), 33 µH, 1.7 A, Shielded, 1.4 A, SRU8043 Series

![Product image](https://novapart.co/image/farnell:4738578/)

**URL**: https://novapart.co/products/SRU8043-330Y/power-inductor-smd-33-h-17-a-shielded-14-sru8043
**SKU**: SRU8043-330Y
**Manufacturer**: BOURNS
**Category**: Passive Components || Inductors || Power Inductors || SMD Power Inductors
**Price**: €0.3670
**Stock**: 25+
**Lead Time**: 106 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| Inductance | 33µH |
| Product Range | SRU8043 Series |
| Product Width | 8mm |
| Product Height | 4.3mm |
| Product Length | 8mm |
| Dc Resistance Max | 0.1ohm |
| Rms Current (Irms) | 1.7A |
| Inductance Tolerance | ± 30% |
| Inductor Construction | Shielded |
| Inductor Case / Package | - |
| Saturation Current (Isat) | 1.4A |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4738578/)

## **Features** 

■ Available in E6 series ■ Unit height of 4.3 mm 

■ Current up to 5.4 A 

■ RoHS compliant* 

## **Applications** 

■ Input/output of DC/DC converters 

■ Power supplies for: 

- Portable communication equipment 

- Camcorders 

- LCD TVs 

- Car radios 

## **SRU8043 Series - Shielded SMD Power Inductors** BOURNS ~~Ei~~ 

|**Bourns**<br>**Part No.**<br>~~|Fray~~|**Inductance**<br>**100 KHz**<br>~~Fray~~|**Inductance**<br>**100 KHz**<br>~~Fray~~|**Q**<br>**Ref.**<br>~~Fray fT~~|**Test**<br>**Freq.**<br>**(MHz)**<br>~~fT~~|**SRF**<br>**Min.**<br>**(MHz)**<br>~~fT~~|**RDC**<br>**(m**Ω**)**<br>~~fT~~|**Irms**<br>**Max.**<br>**(A)**<br>~~fT~~|**Isat**<br>**Typ.**<br>**(A)**<br>~~fT~~|****K-**<br>**Factor**<br>~~fT~~|
|---|---|---|---|---|---|---|---|---|---|
||**(µH)**<br>~~Fray~~|**Tol.**<br>**%**<br>~~Fray~~||||||||
|SRU8043-2R2Y<br>~~|Fray~~|2.2<br>~~Fray~~|± 30<br>~~Fray~~|15<br>~~Fray fT~~|7.96<br>~~fT~~|65.0<br>~~fT~~|11.2<br>~~fT~~|5.40<br>~~fT~~|5.20<br>~~fT~~|250<br>~~fT~~|
|SRU8043-3R9Y<br>~~|Fray~~|3.9<br>~~Fray~~|± 30<br>~~Fray~~|15<br>~~Fray fT~~|7.96<br>~~fT~~|42.0<br>~~fT~~|14.6<br>~~fT~~|4.80<br>~~fT~~|4.00<br>~~fT~~|191<br>~~fT~~|
|SRU8043-4R7Y<br>~~| Fray~~|4.7<br>~~Fray~~|± 30<br>~~Fray~~|13<br>~~Fray fT~~|7.96<br>~~fT~~|36.0<br>~~fT~~|17.0<br>~~fT~~|4.60<br>~~fT~~|3.60<br>~~fT~~|171<br>~~fT~~|
|SRU8043-6R8Y|6.8|± 30|12|7.96|30.0|22.4|3.80|3.10|141|
|SRU8043-100Y|10|± 30|27|2.52|20.0|30.0|3.50|2.70|120|
|SRU8043-120Y|12|± 30|15|2.52|15.0|39.0|2.80|2.20|110|
|SRU8043-150Y|15|± 30|26|2.52|15.0|46.0|2.70|2.00|98|
|SRU8043-180Y|18|± 30|15|2.52|15.0|62.0|2.30|1.70|87|
|SRU8043-220Y|22|± 30|24|2.52|12.0|72.5|2.20|1.70|79|
|SRU8043-270Y|27|±30|17|2.52|12.0|84.0|1.80|1.55|73|
|SRU8043-330Y|33|± 30|21|2.52|11.0|100.0|1.70|1.40|66|
|SRU8043-470Y|47|±30|21|2.52|9.0|120.0|1.50|1.20|55|
|SRU8043-680Y|68|±30|20|2.52|7.0|192.0|1.20|1.00|44|
|SRU8043-101Y|100|±30|50|0.796|6.0|287.0|1.00|0.80|38|



## ~~**General Specif cations**~~ 

Test Voltage .......................................1 V Refl ow 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 10 sec. 

## ~~**Materials**~~ 

Core ....................Ferrite DR and RI core Wire ............................Enameled copper Terminal ....................................Ag/Ni/Sn Rated Current ...................Ind. drop 35 % typ. at Isat Temperature Rise .....................40 °C max. at rated Irms Packaging .................. 1000 pcs. per reel 

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

**K-Factor: To calculate core fl ux density, Bp-p (gauss) = K x L(µH) x Δ I (peak-to-peak ripple current, A), determine core loss from _Core Loss vs. Flux Density_ plot. 

**==> picture [482 x 249] intentionally omitted <==**

**----- Start of picture text -----**<br>
8.0 ± 0.3<br>Core Loss vs. Flux Density el (.315 ± .012)<br>10000 ee<br>8.0 ± 0.3<br>1000 (.315 ± .012)<br>100<br>4.3 ± 0.3<br>10 (.169 ± .012)<br>   1 MHz<br>1 800 KHz<br>500 KHz<br>0.1 400 KHz 6.0 2.5<br>300 KHz (.236) [TYP.] (.098)<br>200 KHz TYP.<br>0.01<br>100 KHz<br>fo = rt<br>0.001<br>0.0001 2.8<br>10 100 1000 (.110)<br>TYP.<br>2.5<br>Flux Density Bp-p (gauss) (.098)TYP.<br>Electrical Schematic Inductor Connection<br>Recommended Layout<br>Core Loss (mW)<br>**----- End of picture text -----**<br>


**==> picture [308 x 124] intentionally omitted <==**

**----- Start of picture text -----**<br>
Inductor Connection<br>Recommended Layout<br>5.8<br>(.228)<br>2.0 REF. 2.0<br>(.079) (.079)<br>REF. REF.<br>LCR METER<br>O oi 3.2<br>MM (.126)<br>DIMENSIONS: REF.<br>(INCHES)<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. Specifi cations 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 specifi c applications. 

## **SRF0504 Series - Line Filter SRU8 3 Series - Shielded SMD Power Inductors** 

## ~~**Packaging Specif cations**~~ 

**==> picture [355 x 327] intentionally omitted <==**

**----- Start of picture text -----**<br>
330 2.0 ± 0.5 22.4<br>(12.99) ee [DIA.] (.079 ± .020) (.882) +<br>COVER<br>13.0 ± 0.5 TAPE<br>21.0 ± 0.8<br>(.512 ± .020)<br>(.827 ± .031) DIA.<br>EMBOSSED<br>1  | \ + & \\ CAVITY<br>50.0<br>ag Poo (1.969) 4 INQ)<br>_ (.512 ± .020)13.0 ± 0.5 a [DIA.] Py ya [\ EMBOSSED<br>CARRIER »N<br>16.0<br>18<br>—+| 4 (.630)<br>(.709)<br>4<br>END (.157) To START _-<br>-——— 12<br>(.472)<br>NO COMPONENT NO COMPONENT<br>160 COMPONENTS 400<br>(6.299) (15.748)<br>USER DIRECTION OF FEED<br>Pf<br>QTY: 1000 PCS. PER REEL<br>MM<br>DIMENSIONS:<br>(INCHES)<br>**----- End of picture text -----**<br>


**Asia-Pacifi c:** Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116 **EMEA:** Tel: +36 88 520 390 • Fax: +36 88 520 211 **The Americas:** Tel: +1-951 781-5500 • Fax: +1-951 781-5700 **www.bourns.com** 

REV. 11/13 

Specifi cations 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 specifi c applications. 



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- [Supplier page](https://es.farnell.com/bourns/sru8043-330y/smd-pwr-ind-33uh-1-7a-shielded/dp/4738578)
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