# Power Inductor (SMD), 100 µH, 470 mA, Shielded, 420 mA, SRU5028A

![Product image](https://novapart.co/image/farnell:2374254RL/)

**URL**: https://novapart.co/products/SRU5028A-101Y/power-inductor-smd-100-h-470-ma-shielded-420
**SKU**: SRU5028A-101Y
**Manufacturer**: BOURNS
**Category**: Passive Components || Inductors || Power Inductors || SMD Power Inductors
**Price**: €0.4190
**Stock**: 10+

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2374254RL/)

## **Features** 

n Shielded construction n Inductance range: 1.2 to 100 µH n Heating current up to 3.5 A n AEC-Q200 qualified 

- n RoHS compliant* and halogen free** 

## **Applications** 

n Automotive systems: -  Driver assistant 

-  Information 

-  Entertainment -  Lighting n DC/DC converters 

n Power supplies 

## **SRU5028A Seri** ~~**es - Shield**~~ **ed Power Inductors** BOURNS ~~RT~~ T 

|~~**Electrical Specif**~~<br>~~es~~|~~**Electrical Specif**~~**i**~~**cations @ 25 °C**~~<br>~~ee~~|~~**Electrical Specif**~~**i**~~**cations @ 25 °C**~~<br>~~ee~~|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|**Bourns**<br>**Part Number**<br>~~es~~|**Inductance**<br>**@ 100  KHz / 0.1 V**<br>~~ee~~||**Q**<br>**(Ref.)**|**Test**<br>**Freq.**<br>**(MHz)**|**SRF**<br>**(MHz)**<br>**Typ.**||**DCR**<br>**(**W**)**||**I rms**<br>**(A)**|**I rms**<br>**(A)**||**I sat**<br>**(A)**|
||**L(µH)**<br>~~ee~~|**Tol.(%)**<br>~~ee~~|||||**(**W**)**<br>**Max.**||**(A)**||||
|SRU5028A-1R2Y<br>~~es ~~<br>~~es~~|1.2<br> ~~ee~~<br>~~es~~|±30<br>~~ee~~<br>~~ee~~|10<br>~~Gere~~|7.96<br>~~es es~~|200<br>~~es~~|200<br>~~es~~|0.022<br>~~es Gs~~||3.5<br>~~Gs~~|3.5||3.4|
|SRU5028A-2R2Y<br>~~es~~<br>~~es~~|2.2<br>~~es~~<br>~~es~~|±30<br>~~ee~~<br>~~es~~|10<br>~~Gere~~<br>~~ees~~|7.96<br>~~es es~~<br>~~es~~|130<br>~~es~~<br>~~es~~|130<br>~~es~~<br>~~es~~|0.027<br>~~es Gs~~<br>~~es~~||3.2<br>~~Gs~~|||2.5|
|SRU5028A-3R3Y<br>~~es~~<br>~~es~~<br>~~es es~~|3.3<br>~~es~~<br>~~es~~<br>~~es~~|±30<br>~~ee ~~<br>~~es~~<br>~~eres~~|10<br> ~~Gere ~~<br>~~ees~~<br>~~rs~~|7.96<br> ~~es es~~<br>~~es~~<br>~~es~~|90<br>~~es ~~<br>~~es~~<br>~~es~~||0.032<br> ~~es Gs~~<br>~~es~~<br>~~es~~||2.8<br>~~Gs~~|2.8<br>~~Gs~~||~~2.1~~|
|SRU5028A-4R7Y<br>~~es ~~<br>~~es es~~<br>~~es ee~~|4.7<br> ~~es~~<br>~~es~~<br>~~ee~~|±30<br>~~es ~~<br>~~eres~~<br>~~ees~~|9<br> ~~ees ~~<br>~~rs~~<br>~~rs~~|7.96<br> ~~es ~~<br>~~es~~<br>~~ne~~|50<br> ~~es ~~<br>~~es~~<br>~~se~~||0.045<br> ~~es~~<br>~~es~~<br>~~se~~||2.2|2.2<br>~~se~~||1.85|
||||||||||2.2<br>~~se~~||||
|SRU5028A-6R8Y<br>~~es es~~<br>~~es ee~~<br>~~a~~|6.8<br>~~es ~~<br>~~ee~~<br>~~es~~|±30<br> ~~eres ~~<br>~~ees~~<br>~~ee~~|10<br> ~~rs ~~<br>~~rs~~<br>~~eee~~|7.96<br> ~~es~~<br>~~ne~~<br>~~es~~|45<br>~~es ~~<br>~~se~~<br>~~es~~||0.056<br> ~~es~~<br>~~se~~<br>~~es Gs~~||2.0<br>~~se~~<br>~~Gs~~|||1.55|
|SRU5028A-100Y<br>~~es ee~~<br>~~a~~<br>~~es~~|10<br>~~ee ~~<br>~~es~~<br>~~es ee~~|±30<br> ~~ees ~~<br>~~ee~~<br>~~ee~~|18<br> ~~rs ~~<br>~~eee~~<br>~~eres~~|2.52<br> ~~ne ~~<br>~~es~~<br>~~es es~~|25<br> ~~se~~<br>~~es~~<br>~~es~~||0.085<br>~~se~~<br>~~es Gs~~<br>~~es~~||1.8<br>~~se~~<br>~~Gs~~|||1.4|
|SRU5028A-150Y<br>~~a~~<br>~~es~~<br>~~es es~~|15<br>~~es ~~<br>~~es ee~~<br>~~es~~|±30<br> ~~ee ~~<br>~~ee~~<br>~~eres~~|18<br> ~~eee ~~<br>~~eres~~<br>~~rs ee~~|2.52<br> ~~es~~<br>~~es es~~<br>~~ee~~|23<br>~~es ~~<br>~~es~~<br>~~es~~||0.14<br> ~~es Gs~~<br>~~es~~<br>~~se~~||1.1<br>~~Gs~~<br>~~se~~|||1.0|
|SRU5028A-220Y<br>~~es ~~<br>~~es es~~<br>~~es es~~|22<br> ~~es ee~~<br>~~es~~<br>~~es ees~~|±30<br>~~ee~~<br>~~eres~~<br>~~ees~~|15<br>~~eres ~~<br>~~rs ee~~<br>~~rs~~|2.52<br> ~~es es~~<br>~~ee~~<br>~~es~~|18<br>~~es ~~<br>~~es~~<br>~~es~~||0.21<br> ~~es~~<br>~~se~~||0.95<br>~~se~~|||0.85|
|SRU5028A-330Y<br>~~es es~~<br>~~es es~~<br>~~es~~|33<br>~~es ~~<br>~~es ees~~<br>~~ee~~|±30<br> ~~eres ~~<br>~~ees ~~<br>~~ees~~|15<br> ~~rs ee~~<br> ~~rs ~~<br>~~rs~~|2.52<br>~~ee~~<br> ~~es~~<br>~~es~~|16<br>~~es ~~<br>~~es~~<br>~~es~~||0.26<br> ~~se~~||0.8<br>~~se~~|||0.68|
|SRU5028A-470Y<br>~~es~~<br>~~es~~|47<br>~~ee~~<br>~~es~~|±30<br>~~ees~~<br>~~ee~~|13<br>~~rs~~<br>~~Geers~~|2.52<br>~~es~~<br>~~es~~|13<br>~~es~~<br>~~es~~||0.36<br>~~es es~~||0.7<br>~~es~~|||0.62|
|SRU5028A-680Y<br>~~es ~~<br>~~es~~<br>~~es~~|68<br> ~~ee ~~<br>~~es~~<br>~~es~~|±30<br> ~~ees ~~<br>~~ee~~<br>~~ee~~|13<br> ~~rs ~~<br>~~Geers~~<br>~~es~~|2.~~52~~<br> ~~es~~<br>~~es~~<br>~~es~~|10<br>~~es~~<br>~~es~~<br>~~es~~|10<br>~~es~~<br>~~es~~<br>~~es~~|0.55<br>~~es es~~<br>~~es~~||0.56<br>~~es~~||~~es~~|0.46|
|SRU5028A-101Y<br>~~es~~<br>~~es~~|100<br>~~es~~<br>~~es~~|±30<br>~~ee ~~<br>~~ee~~|15<br> ~~Geers ~~<br>~~es~~|0.796<br> ~~es~~<br>~~es~~|8<br>~~es~~<br>~~es~~|8<br>~~es ~~<br>~~es~~|0.8<br> ~~es es~~<br>~~es~~||0.47<br>~~es~~||~~es~~|0.42|
||||||8<br>~~es~~|8<br>~~es~~||0.8<br>~~es~~|||||
|~~**How to Order**~~<br>**SRU5028A  -  100Y**<br>Model<br>Value Code (see table)<br>~~**Electrical Schematic**~~<br>~~es~~<br>~~es ee~~<br>~~es~~<br>~~es~~<br>~~es es~~<br>~~a~~||||||~~es ~~|~~es~~||||||
|||||||~~**l Schematic**~~|~~**l Schematic**~~||||||
|||||||~~**l Schematic**~~|~~**l Schematic**~~||||||



~~**How to Order**~~ **SRU5028A  -  100Y** Model Value Code (see table) ~~a~~ 

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

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


Tel: +886-2 2562-4117 • Email: asiacus@bourns.com **Asia-Pacific: EMEA:** Tel: +36 88 520 390 • Email: eurocus@bourns.com **The Americas:** Tel: +1-951 781-5500 • Email: americus@bourns.com **www.bourns.com** 

- RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. 

- ** Bourns follows the prevailing definition of “halogen free” in the industry.  Bourns considers a product to be 

   - “halogen free” if (a) the Bromine (Br) content is 900 ppm or less; (b) the Chlorine (Cl) content is 900 ppm or less; and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less. 

- 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. 

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

Operating Temperature ................................-40 °C to +125 °C (Temperature rise included) Storage Temperature ................................-40 °C to +125 °C Resistance to Soldering Heat .............................+250 °C for 10 sec. Temperature Rise ......................40 °C typ. at rated I rms Inductance Drop .......... 35 % typ. at I sat 

## ~~**Materials**~~ 

Core ..............................................Ferrite Wire ............................Enameled copper Terminal Finish .........................Ag/Ni/Sn Packaging ...............600 pcs. per 7 ” reel 

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

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5.2 ± 0.2<br>(.205 ± .008)<br>5.2 ± 0.2<br>(.205 ± .008)<br>© .<br>2.8 ± 0.2<br>(.110 ± .008)<br>3.9 1.7<br>(.154) [TYP.] (.067)<br>TYP.<br>las<br>1.8<br>TYP.<br>(.071)<br>= 1.7 TYP.<br>(.067)<br>Recommended Layout<br>(.043) _ 1.1 3.7 (.043)1.1<br>1.1 (.146)<br>(.043) tH<br>3.7<br>(.146)<br>7 0<br>2.0<br>(.079)<br>oO 1.1 2.0<br>(.043) (.079)<br>MM<br>DIMENSIONS:<br>(INCHES)<br>**----- End of picture text -----**<br>


## **SRF0504 Series - Line FilterU5028A Serie Shielded Power Inductors** 

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Soldering Profle<br>**----- End of picture text -----**<br>


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Inductance vs. DC Current Plot<br>**----- End of picture text -----**<br>


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Peak Temperature 250   max. 10 3<br>Max. Peak Temperature -5  30 sec. max.<br>Max. Time Above 217  :  60~150 sec. max.   5<br>Temperature Preheat Reflow Forced<br>Rising Area Area Area Cooling Area || ||<br>+4.0 °C/Sec. Max. 150~200 °C / 60~120 Sec. +3.0 °C/Sec. Max. -(1.0~5.0) °C/Sec. Max. -101Y<br> 2<br>10 |<br>250 Peak Temperature: 250 °C -470Y<br>  5<br>217 °C<br>200 - 60~150 Sec. a es<br>60 Sec.<br>150 Max. | a -100Y<br>60~120 Sec. 10 1 Sco it<br>100 pat -4R7Y | ||<br>50   5 Snails<br>aee ail||<br>0 50 100 150 200 250  0 |<br>10 |<br>-2 -1  0  1<br>Time (Seconds) 10 5 10 5 10 5 10<br>DC Current  (A)<br>Inductance (µH)<br>Temperature (°C)<br>**----- End of picture text -----**<br>


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Packaging Specifcations<br>(7.008)178 [DIA.] (.079 ± .020)2.0 ± 0.5 (.650)16.5<br>13.0<br>21.0 ± 0.8<br>(.512)<br>(.827 ± .031) DIA.<br>a l e s e \\ =<br>im | 'N 7 TF 50 -0 LA \<br>eX) | “On. TE (1.969 -0) A — CAVITY<br>P_ (.512)13.0 S [DIA.] X Pog [\ QY"<br>14 +0 12<br>(.551 +0) (.472)<br>4<br>END (.157) TSO START _.<br>0000 f 0006 ¢ 0f6 0000<br>100 100 100<br>70D jp a)<br>__ 8<br>(.315)<br>NO COMPONENT NO COMPONENT<br>200 COMPONENTS 400<br>(7.874) (15.748)<br>— USER DIRECTION OF FEED DIMENSIONS: oe MM<br>(INCHES)<br>QTY: 600 PCS. PER REEL<br>**----- End of picture text -----**<br>


REV. 08/16 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/SRU5028A-101Y/power-inductor-smd-100-h-470-ma-shielded-420)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/en-ES/bourns/sru5028a-101y/inductor-100uh-0-42a-30-power/dp/2374254RL)
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