# Power Inductor (SMD), 12 µH, 1.62 A, Shielded, 990 mA, SRR4528A Series
**URL**: https://novapart.co/products/SRR4528A-120M/power-inductor-smd-12-h-162-a-shielded-990-ma
**SKU**: SRR4528A-120M
**Manufacturer**: BOURNS
**Category**: Passive Components || Inductors || Power Inductors || SMD Power Inductors
**Price**: €0.3380
**Stock**: 100+
**Lead Time**: 106 days (indicative)
## Description
Inductance:12µH; RMS Current (Irms):1.62A; Inductor Construction:Shielded; Saturation Current (Isat):990mA; Product Range:SRR4528A Series; Power Inductor Case:5mm x 5mm x 2.8mm; DC
## Specifications
| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| Inductance | 12µH |
| Product Range | SRR4528A Series |
| Product Width | 5mm |
| Product Height | 2.8mm |
| Product Length | 5mm |
| Dc Resistance Max | 0.1ohm |
| Rms Current (Irms) | 1.62A |
| Inductance Tolerance | ± 20% |
| Inductor Construction | Shielded |
| Inductor Case / Package | - |
| Saturation Current (Isat) | 990mA |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:2901837/)
## **Features**
■ Shielded construction
■ Inductance range: 1.2 to 390 µH
■ Heating current up to 4.8 A
- AEC-Q200 compliant
■ RoHS compliant* and halogen free**
## **SRR4528A Series – Shielded Power Inductors**
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|||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|Inductance|DCR|
|SRF|
|Bourns|@ 100 kHz / 0.1 V|(MHz)|(mΩ)|I rms (A)|I sat (A)|
|ee|Part Number|L (μH)|Tol. %|Typ.|ee|Typ.|Max.|Typ.|Typ.|
|SRR4528A-1R2Y|1.2|± 30 %|82.0|12.3|17.0|4.82|3.04|
|Po|
|es|SRR4528A-1R8Y|1.8|es|± 30 %|78.0|es|14.3|ss|20.0|4.20|2.50|
|es|SRR4528A-2R2Y|2.2|ee|± 30 %|76.0|es|17.4|ss|23.0|3.78|2.32|
|es|SRR4528A-2R7Y|2.7|es|± 30 %|es|68.0|19.1|es|29.0|3.40|2.10|
|po|SRR4528A-3R3Y|3.3|± 30 %|60.0|25.6|35.0|2.93|1.82|
|SRR4528A-3R9Y|3.9|± 30 %|58.0|28.2|37.0|2.80|1.70|
|ee es es|es|
|ee|SRR4528A-4R7Y|4.7|ee|± 30 %|54.0|29.8|40.0|2.63|1.58|
|es|SRR4528A-5R6Y|5.6|ee|± 30 %|50.0|ss|34.9|47.0|2.39|1.49|
|es|SRR4528A-6R8Y|6.8|± 30 %|45.0|43.2|58.0|2.25|1.37|
|SRR4528A-7R4Y|7.4|± 30 %|42.0|46.7|63.0|2.16|1.28|
|ee es|es|eses|ee|s|
|es|SRR4528A-8R2Y|8.2|es|± 30 %|38.0|es|51.5|ss|70.0|2.12|1.22|
|ee|SRR4528A-100M|10.0|± 20 %|35.0|64.9|88.0|1.76|1.13|
|SRR4528A-120M|12.0|± 20 %|28.0|74.2|100.0|1.62|0.99|
|ee|es|
|SRR4528A-150M|15.0|± 20 %|24.0|87.9|119.0|1.42|0.90|
|re|es|es|es|
|SRR4528A-180M|18.0|± 20 %|23.0|104.0|136.0|1.28|0.85|
|ee eees|
|SRR4528A-220M|22.0|± 20 %|21.0|138.0|179.0|1.10|0.72|
|eees|ee|es|ss|
|SRR4528A-270M|27.0|± 20 %|20.0|152.0|197.0|1.06|0.68|
|ee|es|es|
|SRR4528A-330M|33.0|± 20 %|18.0|184.0|239.0|0.95|0.59|
|ee|eses|e|es|es|ss|
|SRR4528A-390M|39.0|± 20 %|16.0|218.0|272.0|0.90|0.57|
|es ee|es|ss|
|es|SRR4528A-470M|47.0|± 20 %|15.0|240.0|300.0|0.86|0.52|
|SRR4528A-560M|56.0|± 20 %|14.0|278.0|348.0|0.81|0.45|
|a|es|es|es|
|SRR4528A-680M|68.0|± 20 %|12.0|361.0|452.0|0.70|0.41|
|ee es es|es|
|ee|SRR4528A-820M|82.0|ee|± 20 %|11.0|442.0|552.0|0.59|0.39|
|es|SRR4528A-101M|100.0|ee|± 20 %|10.0|ss|487.0|609.0|0.56|0.34|
|es|SRR4528A-121M|120.0|± 20 %|9.0|547.0|700.0|0.53|0.30|
|SRR4528A-151M|150.0|± 20 %|8.5|724.0|905.0|0.48|0.29|
|ee es|es|eses|ee|s|
|es|SRR4528A-181M|180.0|es|± 20 %|7.0|es|903.0|ss|1128.0|0.43|0.26|
|ee|SRR4528A-221M|220.0|± 20 %|6.0|1184.0|1480.0|0.37|0.23|
|SRR4528A-271M|270.0|± 20 %|5.0|1290.0|1612.0|0.34|0.19|
|ee es eseses|ss|
|ee|SRR4528A-331M|330.0|ee|± 20 %|4.5|1730.0|2160.0|0.32|0.18|
|es|SRR4528A-391M|390.0|ee|± 20 %|4.0|es|1910.0|2380.0|0.28|0.17|
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Operating Temperature ................................-40 °C to +125 °C (Temperature rise included) Storage Temperature ................................-40 °C to +125 °C Temperature Rise ...................40 °C typ. at rated Irms Inductance Drop ........... 35 % typ. at Isat MSL ......................................................1 es Classification (HEM) ................. N/A
## ~~**Materials**~~
Core ..............................................Ferrite Wire ............................Enameled copper Terminal Finish ...................................Sn Packaging ......... 500 pcs. per 7-inch reel
## ~~**How to Order**~~
## **SRP4528A - 1R2Y**
Model Value Code (see table)
## ~~**Schematic**~~
**EMEA:** Tel: +36 88 520 390 * Email: eurocus@bourns.com **The Americas:** Tel: +1-951 781-5500 * Email: americus@bourns.com **www.bourns.com**
**WARNING Cancer and Reproductive Harm -** www.P65Warnings.ca.gov
> * RoHS Directive 2015/863, Mar 31, 2015 and Annex.
**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. Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of his document, and at www.bourns.com/docs/legal/disclaimer.pdf
## **SRR4528A Series – Shielded Power Induct** ~~**ors**~~
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**----- Start of picture text -----**
Product Dimensions Recommended Layout
5.00
(.197) [MAX.] (.083)2.10 [TYP.] (.079)2.00
100 (.197)5.00 [MAX.] (.165)4.20 (.205)5.20
1.60
(.063)
MM
2.80 DIMENSIONS:
(.110) [MAX.] (INCHES)
MM
DIMENSIONS:
(INCHES)
Peak Temperature 260 max.
Max. Peak Temperature -5 30 sec. max.
Max. Time Above 217 : 60~150 sec. max.
Temperature Preheat Reflow Forced
Rising Area Area Area Cooling Area
+4.0 °C/Sec. Max. 150~200 °C / 60~120 Sec. +3.0 °C/Sec. Max. -(1.0~5.0) °C/Sec. Max.
Peak Temperature: 260 °C
250
217 °C
200 60~150 Sec.
60 Sec.
Max.
150
60~120 Sec.
100
50
0 50 100 150 200 250
Time (Seconds)
6.20
(.244) T
YP.
Temperature (°C)
**----- End of picture text -----**
Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
## **SRR4528A Series – Shielded Power Inductors**
## ~~**Inductance vs. Current and Temperature Rise vs. Current**~~
**==> picture [358 x 521] intentionally omitted <==**
**----- Start of picture text -----**
SRR4528A-4R7Y SRR4528A-4R7Y
120 % 100.0
80.0
90 %
L @ 25 °C 60.0
60 % T @ 25 °C
L @ 125 °C 40.0
30 %
20.0
0 % 0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 0 1.00 2.00 3.00 4.00 5.00
IDC (A) IDC (A)
SRR4528A-220M SRR4528A-220M
120 % 70.0
60.0
90 %
50.0
L @ 25 °C
L @ 125 °C 40.0
60 %
30.0 T @ 25 °C
30 % 20.0
10.0
0 % 0
0 0.2 0.4 0.6 0.8 1.0 1.2 0 0.38 0.76 1.14 1.52 1.90
IDC (A) IDC (A)
SRR4528A-470M SRR4528A-470M
120 % 80.0
L @ 25 °C
90 % 60.0
60 % L @ 125 °C 40.0
T @ 25 °C
30 % 20.0
0 % 0
0 0.2 0.4 0.6 0.8 0 0.26 0.52 0.78 1.04 1.30
IDC (A) IDC (A)
SRR4528A-391M SRR4528A-391M
120 % 80.0
90 % 60.0
L @ 25 °C
60 % 40.0
T @ 25 °C
L @ 125 °C
30 % 20.0
0 % 0
0 0.05 0.10 0.15 0.20 0.25 0.30 0 0.11 0.22 0.33 0.44
IDC (A) IDC (A)
L/LOA T (°C)
L/LOA T (°C)
L/LOA T (°C)
L/LOA T (°C)
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Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
## **SRR4528A Series – Shielded Power Inductors**
**==> picture [431 x 341] intentionally omitted <==**
**----- Start of picture text -----**
16.5 178 DIA. 2.0 ± 0.5
s (.650) ar (7.008) — a (.079 ± .020)
THICKNESS
0.10
13
(.512)
DIA.
50 -0
(1.969 -0)
= a a . a 2 NS
Ay A / SSS
178
— (7.008) e (.827 ± .031)21.0 ± 0.8 eo [DIA.] N L
12
14 +0 (.472)
(.551 +0)
4.0 8.0
(.157) (.315)
sa sar
[ pe oe oe f/o 0 O90 o F/O > OG 0
12
(.472) 100 100 100
p oo\ead\ sn
NO COMPONENT COMPONENTS NO COMPONENT
200 400
(7.874) (15.748)
MM
DIMENSIONS:
(INCHES)
USER DIRECTION OF FEED
OP
QTY: 500 PCS PER REEL
**----- End of picture text -----**
REV. 06/18/18
Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
®
## **Legal Disclaimer Notice**
This legal disclaimer applies to purchasers and users of Bourns[®] products manufactured by or on behalf of Bourns, Inc. and
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The characteristics and parameters of a Bourns[®] product set forth in its data sheet are based on laboratory conditions, and statements regarding the suitability of products for certain types of applications are based on Bourns’ knowledge of typical requirements in generic applications. The characteristics and parameters of a Bourns[®] product in a user application may
® product with other components ®
the actual performance of the Bourns[®]
Unless Bourns has explicitly designated an individual Bourns ® product as meeting the requirements of a particular industry standard (e.g., ISO/TS 16949) or a particular qualification (e.g., UL listed or recognized), Bourns is not responsible for any failure of an individual Bourns ® product to meet the requirements of such industry standard or particular qualification. Users of Bourns[®] products are responsible for ensuring compliance with safety-related requirements and standards applicable to
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on a case-by-case basis, use of any Bourns[®]
®
**==> picture [5 x 5] intentionally omitted <==**
**----- Start of picture text -----**
®
**----- End of picture text -----**
®
Bourns[®]
® standard products that are suitable for use in aircraft “Applications.” Unless expressly and specifically ® standard
the user’s sole risk.
The use and level of testing applicable to Bourns ® custom products shall be negotiated on a case-by-case basis by Bourns and the user for which such Bourns[®] custom products are specially designed. Absent a written agreement between Bourns and the user regarding the use and level of such testing, the above provisions applicable to Bourns ® standard products shall also apply to such Bourns[®] custom products.
Users shall not sell, transfer, export or re-export any Bourns[®] design, development, production, use or stockpiling of Bourns[®]
regulations. Further, Bourns ® products and Bourns technology and technical data may not under any circumstance be exported or re-exported to countries subject to international sanctions or embargoes. Bourns[®] products may not, without
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## Links
- [View this product on Novapart](https://novapart.co/products/SRR4528A-120M/power-inductor-smd-12-h-162-a-shielded-990-ma)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/bourns/srr4528a-120m/inductor-shld-12uh-1-62a-aec-q200/dp/2901837)
---
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