# INDUCTOR, SHIELDED, 56UH, 2.8A, SMD

![Product image](https://novapart.co/image/farnell:2459863/)

**URL**: https://novapart.co/products/SRR1208-560YL/inductor-shielded-56uh-28a-smd
**SKU**: SRR1208-560YL
**Manufacturer**: BOURNS
**Category**: Passive Components || Inductors || Power Inductors || SMD Power Inductors
**Price**: €0.7250
**Stock**: 10+

## Specifications

| Parameter | Value |
|---|---|
| Inductance | 56µH |
| Product Range | SRR1208 Series |
| Product Width | 12.7mm |
| Product Height | 8.5mm |
| Product Length | 12.7mm |
| Dc Resistance Max | 0.11ohm |
| Rms Current (Irms) | 2A |
| Power Inductor Case | 12.7mm x 12.7mm x 8.5mm |
| Inductance Tolerance | ± 15% |
| Inductor Construction | Shielded |
| Saturation Current (Isat) | 2.8A |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2459863/)

## **Features** 

- Available in E6 series 

- ■ Unit height of 8.5 mm ■ Current up to 7.5 A 

- RoHS compliant* 

## **Applications** 

■ Input/output of DC/DC converters 

■ Power supplies for: 

- Portable communication equipment 

- Camcorders 

- LCD TVs 

- Car radios 

## **SRR1208 Series - Shielded High Power Inductors** 

~~**Electrical Specifications**~~ 

## ~~**General Specifications**~~ 

Test Voltage........................................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. 

|**Bourns Part No.**<br>~~Tee~~|**Inductance 1kHz**<br>~~Tee~~|**Inductance 1kHz**<br>~~Tee~~|**Q**<br>**Ref.**<br>~~Tee~~|**Test**<br>**Frequency**<br>**(MHz)**<br>~~Tee~~|**SRF**<br>**Min.**<br>**(MHz)**<br>~~Tee~~|**RDC**<br>**Max.**<br>**(**Ω**)**<br>~~Tee~~|**I rms**<br>**Max.**<br>**(A)**<br>~~Tee~~|**I sat**<br>**Typ.**<br>**(A)**<br>~~Tee~~|
|---|---|---|---|---|---|---|---|---|
||**(**µ**H)**<br>~~Tee~~|**Tol. %**<br>~~Tee~~|||||||
|SRR1208-2R5ML<br>~~Tee~~|2.5<br>~~Tee~~|± 20<br>~~Tee~~|20<br>~~Tee~~|7.96<br>~~Tee~~|37<br>~~Tee~~|0.011<br>~~Tee~~|7.50<br>~~Tee~~|10.00<br>~~Tee~~|
|SRR1208-4R5ML<br>~~Tee~~|4.5<br>~~Tee~~|± 20<br>~~Tee~~|24<br>~~Tee~~|7.96<br>~~Tee~~|30<br>~~Tee~~|0.014<br>~~Tee~~|6.50<br>~~Tee~~|10.00<br>~~Tee~~|
|SRR1208-6R5ML|6.5|± 20|25|7.96|20|0.018|6.00|8.40|
|SRR1208-100ML|10|± 20|20|2.52|15|0.021|5.00|6.70|
|SRR1208-120ML|12|± 20|19|2.52|11|0.025|4.80|6.50|
|SRR1208-150ML|15|± 20|21|2.52|11|0.036|4.00|5.60|
|SRR1208-180ML|18|± 20|21|2.52|9.0|0.040|3.80|4.00|
|SRR1208-220ML|22|± 20|23|2.52|7.0|0.043|3.50|4.00|
|SRR1208-270ML|27|± 20|23|2.52|6.5|0.048|3.00|4.30|
|SRR1208-330YL|33|± 15|23|2.52|6.5|0.062|2.80|3.80|
|SRR1208-390YL|39|± 15|25|2.52|6.0|0.076|2.50|3.40|
|SRR1208-470YL|47|± 15|24|2.52|5.0|0.085|2.20|3.10|
|SRR1208-560YL<br>~~See~~|56<br>~~See~~|± 15<br>~~See~~|23<br>~~See~~|2.52<br>~~See~~|5.0<br>~~See~~|0.110<br>~~See~~|2.00<br>~~See~~|2.80<br>~~See~~|
|SRR1208-680YL<br>~~See~~|68<br>~~See~~|± 15<br>~~See~~|20<br>~~See~~|2.52<br>~~See~~|5.0<br>~~See~~|0.135<br>~~See~~|1.80<br>~~See~~|2.60<br>~~See~~|
|SRR1208-820YL<br>~~See~~|82<br>~~See~~|± 15<br>~~See~~|18<br>~~See~~|2.52<br>~~See~~|4.0<br>~~See~~|0.150<br>~~See~~|1.60<br>~~See~~|2.30<br>~~See~~|
|SRR1208-101YL<br>~~See~~|100<br>~~See~~|± 15<br>~~See~~|15<br>~~See~~|0.796<br>~~See~~|4.0<br>~~See~~|0.170<br>~~See~~|1.50<br>~~See~~|2.10<br>~~See~~|
|SRR1208-121YL<br>~~See~~|120<br>~~See~~|± 15<br>~~See~~|15<br>~~See~~|0.796<br>~~See~~|3.0<br>~~See~~|0.190<br>~~See~~|1.40<br>~~See~~|2.00<br>~~See~~|
|SRR1208-151YL<br>~~See~~|150<br>~~See~~|± 15<br>~~See~~|14<br>~~See~~|0.796<br>~~See~~|3.0<br>~~See~~|0.240<br>~~See~~|1.30<br>~~See~~|1.72<br>~~See~~|
|SRR1208-181YL<br>~~See~~<br>~~SSS~~|180<br>~~See~~<br>~~SSS~~|± 15<br>~~See~~<br>~~SSS~~|14<br>~~See~~<br>~~SSS~~|0.796<br>~~See~~<br>~~SSeS~~|2.5<br>~~See~~<br>~~SSeS~~|0.270<br>~~See~~<br>~~SSeS~~|1.20<br>~~See~~<br>~~SSeS~~|1.70<br>~~See~~<br>~~SSeS~~|
|SRR1208-221KL<br>~~See~~<br>~~SSS~~|220<br>~~See~~<br>~~SSS~~|± 10<br>~~See~~<br>~~SSS~~|13<br>~~See~~<br>~~SSS~~|0.796<br>~~See~~<br>~~SSeS~~|2.5<br>~~See~~<br>~~SSeS~~|0.380<br>~~See~~<br>~~SSeS~~|1.10<br>~~See~~<br>~~SSeS~~|1.45<br>~~See~~<br>~~SSeS~~|
|SRR1208-271KL<br>~~See~~<br>~~SSS~~|270<br>~~See~~<br>~~SSS~~|± 10<br>~~See~~<br>~~SSS~~|13<br>~~See~~<br>~~SSS~~|0.796<br>~~See~~<br>~~SSeS~~|2.0<br>~~See~~<br>~~SSeS~~|0.400<br>~~See~~<br>~~SSeS~~|0.95<br>~~See~~<br>~~SSeS~~|1.25<br>~~See ~~<br>~~SSeS~~|
|SRR1208-331KL<br>~~SSS~~|330<br>~~SSS~~|± 10<br>~~SSS~~|13<br>~~SSS ~~|0.796<br> ~~SSeS~~|1.8<br>~~SSeS~~|0.650<br>~~SSeS~~|0.85<br>~~SSeS~~|1.12<br>~~SSeS~~|
|SRR1208-391KL<br>~~= SSS~~|390<br>~~SSS~~|± 10<br>~~SSS~~|14<br>~~SSS~~|0.796<br>~~SSS~~|1.6<br>~~SSS~~|0.670<br>~~SSS~~|0.80<br>~~SSS~~|1.10<br>~~SSS~~|
|SRR1208-471KL<br>~~= SSS~~|470<br>~~SSS~~|± 10<br>~~SSS~~|14<br>~~SSS~~|0.796<br>~~SSS~~|1.4<br>~~SSS~~|0.850<br>~~SSS~~|0.70<br>~~SSS~~|0.95<br>~~SSS~~|
|SRR1208-561KL<br>~~= SSS~~|560<br>~~SSS~~|± 10<br>~~SSS~~|14<br>~~SSS~~|0.796<br>~~SSS~~|1.4<br>~~SSS~~|0.900<br>~~SSS~~|0.65<br>~~SSS~~|0.90<br>~~SSS~~|
|SRR1208-681KL<br>~~= SSS~~|680<br>~~SSS~~|± 10<br>~~SSS~~|13<br>~~SSS~~|0.796<br>~~SSS~~|1.2<br>~~SSS~~|1.00<br>~~SSS~~|0.60<br>~~SSS~~|0.82<br>~~SSS~~|
|SRR1208-821KL|820|± 10|12|0.796|1.2|1.15|0.55|0.77|
|SRR1208-102KL|1000|± 10|11|0.252|1.0|1.65|0.50|0.67|
|SRR1208-122KL|1200|± 10|10|0.252|0.80|2.00|0.40|0.57|
|SRR1208-152KL<br>SRR1208-182KL|1500<br>1800|± 10<br>10|10<br>20|0.252<br>0.252|0.75<br>0.70|2.35<br>3.40|0.36<br>0.46|0.55<br>0.48|
|SRR1208-182KL|1800|± 10|20|0.252|0.70|3.40|0.46|0.48|
|SRR1208-222KL|2200|± 10|20|0.252|0.65|4.20|0.40|0.42|
|SRR1208-272KL|2700|± 10|20|0.252|0.60|5.20|0.35|0.38|
|SRR1208-332KL|3300|± 10|20|0.252|0.50|6.40|0.32|0.35|
|SRR1208-392KL<br>~~===2=====~~|3900<br>~~===2=====~~|± 10<br>~~===2=====~~|20<br>~~===2=====~~|0.252<br>~~===2=====~~|0.45<br>~~===2=====~~|7.80<br>~~===2=====~~|0.30<br>~~===2=====~~|0.32<br>~~===2=====~~|
|SRR1208-472KL<br>~~===2=====~~|4700<br>~~===2=====~~|± 10<br>~~===2=====~~|20<br>~~===2=====~~|0.252<br>~~===2=====~~|0.42<br>~~===2=====~~|9.60<br>~~===2=====~~|0.28<br>~~===2=====~~|0.30<br>~~===2=====~~|
|SRR1208-562KL<br>~~===2=====~~|5600<br>~~===2=====~~|± 10<br>~~===2=====~~|18<br>~~===2=====~~|0.252<br>~~===2=====~~|0.40<br>~~===2=====~~|12.0<br>~~===2=====~~|0.25<br>~~===2=====~~|0.28<br>~~===2=====~~|
|SRR1208-682KL<br>~~===2=====~~|6800<br>~~===2=====~~|± 10<br>~~===2=====~~|18<br>~~===2=====~~|0.252<br>~~===2=====~~|0.38<br>~~===2=====~~|15.2<br>~~===2=====~~|0.22<br>~~===2=====~~|0.25<br>~~===2=====~~|
|SRR1208-822KL<br>~~===2=====~~<br>~~a~~|8200<br>~~===2=====~~|± 10<br>~~===2=====~~|16<br>~~===2=====~~|0.252<br>~~===2=====~~|0.35<br>~~===2=====~~|17.0<br>~~===2=====~~|0.20<br>~~===2=====~~|0.22<br>~~===2=====~~|
|SRR1208-103KL<br>~~a~~|10000|± 10|24|0.0796|0.30|19.2|0.18|0.20|



Core.....................Ferrite DR and RI core Wire.............................Enameled copper Base ......................................LCP E4008 Terminal ....................................Cu/Ni/Sn Rated Current 

....................Ind. drop 10 % typ. at Isat Temperature Rise ......................40 °C max. at rated Irms 

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

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

**==> picture [57 x 51] intentionally omitted <==**

**----- Start of picture text -----**<br>
7.0<br>(.276)<br>6.0<br>(.236)<br>4.0<br>(.157)<br>**----- End of picture text -----**<br>


*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. 

## **SRR1208 Series - Shielded High Power Inductors** 

## ~~**Packaging Specifications**~~ 

**==> picture [373 x 273] intentionally omitted <==**

**----- Start of picture text -----**<br>
330 2.0 ± 0.5 30.4<br>(12.99) [DIA.] (.079 ± .020) (1.20)<br>THICKNESS<br>0.10<br>13.0 ± 0.5 (.004)<br>(.827 21.0 ±± .031) 0.8 (.512 DIA.± .020) MAX.<br>es a L \ EMBOSSED<br>CAVITY<br>50.0<br>(1.969)<br>a o a * a NED<br>13.0  a ± n  0.5 a itt O<br>(.512 ± .020) [DIA.]<br>y) EMBOSSED &g<br>ae 26 CARRIER a<br>(1.02)<br>4<br>END (.157) START<br>— a _.<br>24<br>(.945)<br>nee L ee<br>20<br>8.6 (.787)<br>(0.338) NO COMPONENT COMPONENTS NO COMPONENT<br>200 11200 400<br>t f an Tea<br>(7.874) (440.945) (15.748)<br>USER DIRECTION OF FEED<br>at<br>QTY: 400 PCS. PER REEL<br>**----- End of picture text -----**<br>


MM DIMENSIONS: (INCHES) 

REV. 09/11 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. 



## Links

- [View this product on Novapart](https://novapart.co/products/SRR1208-560YL/inductor-shielded-56uh-28a-smd)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/en-ES/bourns/srr1208-560yl/inductor-shielded-56uh-2-8a-smd/dp/2459863)
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