# INDUCTOR, SHIELDED, 330UH, 250MA, SMD

![Product image](https://novapart.co/image/farnell:2458624/)

**URL**: https://novapart.co/products/SRR7045-331M./inductor-shielded-330uh-250ma-smd
**SKU**: SRR7045-331M.
**Manufacturer**: BOURNS
**Category**: Passive Components || Inductors || Power Inductors || SMD Power Inductors
**Price**: €0.4130
**Stock**: 10+

## Specifications

| Parameter | Value |
|---|---|
| Inductance | 330µH |
| Product Range | SRR7045 Series |
| Product Width | 7mm |
| Product Height | 4.5mm |
| Product Length | 7mm |
| Dc Resistance Max | 0.73ohm |
| Rms Current (Irms) | 400mA |
| Power Inductor Case | 7mm x 7mm x 4.5mm |
| Inductance Tolerance | ± 20% |
| Inductor Construction | Shielded |
| Saturation Current (Isat) | 250mA |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2458624/)

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470<br>**----- End of picture text -----**<br>


## **Features** 

■ Available in E6 values ■ Current rating to 3.50 amps 

■ RoHS compliant* 

## **Applications** 

■ Input/output of DC/DC converters 

■ Power supplies for: 

- Portable communication equipment 

- Camcorders 

- LCD TVs 

- Car radios 

## **SRR7045 Series - Shielded SMD Power Inductors** BOURNS Eee ~~**Electrical Specif cations General Specif cations**~~ 

**==> picture [484 x 526] intentionally omitted <==**

**----- Start of picture text -----**<br>
||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|Inductance 1 KHz|Test|SRF|RDC|I rms|I sat|Test Voltage ....................................0.5 V|
|Q|Frequency|Typ.|Max.|Max.|Typ.|Refl ow Soldering .. 230 °C, 50 sec. max.|
|Bourns Part No.|uH|Tol. %|Typ.|(MHz)|(MHz)|(|Ω|)|(A)|(A)|Operating Temperature|
|pt|SRR7045-1R0M|1.0|±20|10|7.96|60|0.020|3.50|3.20|................................-40 °C to +125 °C|
|SRR7045-2R2M|2.2|±20|10|7.96|tt|60|0.022|2.80|2.50|(Temperature rise included)|
|ee|SRR7045-2R7M|2.7|±20|10|7.96|60|0.027|2.78|3.10|Storage Temperature  ................................-40 °C to +125 °C  ................................-40 °C to +125 °C|
|SRR7045-3R3M|3.3|±20|10|7.96|43|0.027|2.50|2.20|
|Resistance to Soldering Heat|
|ee|SRR7045-3R9M|3.9|±20|10|7.96|40|0.028|2.71|2.43|...............................260 °C for 10 sec.|
|SRR7045-4R7M|4.7|±20|10|7.96|35|0.030|2.64|2.20|
|se|SRR7045-5R6M|5.6|±20|10|7.96|33|0.036|2.38|2.00|Materials|
|SRR7045-6R3M|6.3|±20|10|7.96|30|0.038|2.33|1.85|
|Core ............................... Ferrite DR & RI|
|ee|SRR7045-6R8M|6.8|±20|10|7.96|28|0.036|2.20|2.00|Wire ............. Enameled copper wire 130|
|SRR7045-100M|10|±20|30|2.52|25|0.042|2.00|1.70|Terminal ....................................Cu/Ni/Sn|
|ee|SRR7045-120M|12|±20|27|2.52|23|0.050|1.85|1.40|Rated Current|
|SRR7045-150M|15|±20|31|2.52|24|0.062|1.60|1.35|...............Ind. drop of 10 % typ. at Isat|
|ee|SRR7045-180M|18|±20|29|2.52|21|0.070|1.50|1.15|
|SRR7045-220M|22|±20|26|2.52|21|0.070|1.50|1.15|...............Ind. drop of 25 % typ. at Isat|
|ee|SRR7045-270M|27|±20|25|2.52|18|0.110|1.25|1.00|
|SRR7045-330M|33|±20|25|2.52|12|0.115|1.15|0.90|Temperature Rise|
|.....................30 °C max. at rated Irms|
|a|SRR7045-390M|39|±20|26|2.52|13|0.130|1.10|0.80|
|Packaging .................. 1000 pcs. per reel|
|SRR7045-470M|47|±20|29|2.52|11|0.150|0.95|0.78|
|ee|SRR7045-560M|56|±20|21|2.52|11|0.200|0.85|0.65|
|SRR7045-680M|68|±20|22|2.52|10|0.210|0.77|0.60|Product Dimensions|
|ee|SRR7045-820M|82|±20|22|2.52|9|0.280|0.70|0.60|
|SRR7045-101M|100|±20|40|0.796|8|0.300|0.65|0.50|7.0 ± 0.3|
|(.276 ± .012)|
|SRR7045-121M|120|±20|30|0.796|7|0.420|0.60|0.45|
|ee|Tl|
|SRR7045-151M|150|±20|51|0.796|7|0.480|0.53|0.41|
|SRR7045-181M|180|±20|52|0.796|5|0.660|0.475|0.375|
|SRR7045-221M|220|±20|44|0.796|5|0.700|0.45|0.36|7.0 ± 0.3|
|SRR7045-271M|270|±20|30|0.796|5|0.840|0.40|0.275|220|(.276 ± .012)|
|Po|a|
|SRR7045-331M|330|±20|65|0.796|4|0.730|0.40|0.25|
|===-—===-|SRR7045-391M|390|±20|27|0.796|5|1.200|0.35|0.225|o|r|
|EE|SRR7045-471M|470|±20|80|0.796|3|1.100|0.32|0.22|s|||
|SRR7045-561M|560|±20|27|0.796|4|1.600|0.30|0.20|
|===|SRR7045-681M|680|±20|65|0.796|===|3|1.600|0.27|0.20|:|4.50 ± 0.3|
|SRR7045-821M|820|±20|26|0.796|3|2.200|0.25|0.175|(.177 ± .012)|
|SRR7045-102M|1000|±20|90|0.252|3|2.400|0.25|0.15|
|eee|
|Schematic|Recommended Layout|TYP.|2.0|
|(.079)|1.5|
|SS|REF.|(.094)2.4|1.8|REF.|+4|(.059)|7|TYP.|
|(.071)|
|SSEESE:|Pp|YT]|9|
|4.0|
|TYP.|
|(.157)|
|4.2|7.80|
|(.165)|(.307)|
|we|Bro|REF.|t|REF.|=|at|
|MM|
|DIMENSIONS:|
|C|T}|1.8|REF.|(INCHES)|—|
|(.071)|

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Test Voltage ....................................0.5 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  ................................-40 °C to +125 °C Resistance to Soldering Heat ...............................260 °C for 10 sec. 

Core ............................... Ferrite DR & RI Wire ............. Enameled copper wire 130 Terminal ....................................Cu/Ni/Sn Rated Current ...............Ind. drop of 10 % typ. at Isat (-1R0M through -221M) ...............Ind. drop of 25 % typ. at Isat (-271M through -102M) Temperature Rise .....................30 °C max. at rated Irms Packaging .................. 1000 pcs. per reel 

*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. 

## **SRR7045 Series - Shielded SMD Power Inductors** 

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

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ee 330 2.0 ± 0.5 22.4<br>(13.00) [DIA.] (.079 ± .020) —+ (.882) THICKNESS<br>0.10<br>13.0 ± 0.5 (.004)<br>(.827 21.0 ±± .031) 0.8 (.512 DIA.± .020) MAX.<br>EMBOSSED<br>=) t b 50.0 aN Lo CAVITY<br>(1.969)<br>13.0 ± 0.5<br>(.512 ± .020) [DIA.]<br>EMBOSSED<br>+ 18 CARRIER a<br>(.709)<br>**----- End of picture text -----**<br>


**==> picture [268 x 163] intentionally omitted <==**

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12.0 4<br>a END sn (.472) (.157) START<br>16<br>(.630) 220 220 2<br>t ain ia il l a ll sical<br>5.3<br>(.209) NO COMPONENT COMPONENTS NO COMPONENT<br>160 390<br>(6.299) (15.354)<br>—j/  _ | | |<br>USER DIRECTION OF FEED<br>QTY: 1000 PCS. PER REEL<br>MM<br>DIMENSIONS:<br>(INCHES)<br>**----- End of picture text -----**<br>


REV. 02/13 

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. 



## Links

- [View this product on Novapart](https://novapart.co/products/SRR7045-331M./inductor-shielded-330uh-250ma-smd)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/en-ES/bourns/srr7045-331m/inductor-shielded-330uh-250ma/dp/2458624)
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