Features
■ Shielded construction
■ Inductance range: 2.5 to 100 µH
■ Heating current up to 4.5 A
■ AEC-Q200 qualified
220
■ RoHS compliant* and halogen free**
SRU8028A Series - Shielded Power Inductors
Electrical Specifications @ 25 °C
General Specifications
Operating Temperature
................................-40 °C to +125 °C
(Temperature rise included)
Storage Temperature
................................-40 °C to +125 °C
Temperature Rise
Inductance
@ 100 KHz / 1 V
Test
Freq.
(MHz)
SRF
(MHz)
Typ.
DCR
(Ω)
Max.
Q
(Ref.)
I rms
(A)
Bourns
Part Number
I sat
(A)
L (μH)
2.5
3.3
4.7
6.8
10
Tol. (%)
±30
±30
±30
±30
±30
±30
±30
±30
±30
±30
±30
SRU8028A-2R5Y
SRU8028A-3R3Y
SRU8028A-4R7Y
SRU8028A-6R8Y
SRU8028A-100Y
SRU8028A-150Y
SRU8028A-220Y
SRU8028A-330Y
SRU8028A-470Y
SRU8028A-680Y
SRU8028A-101Y
15
12
15
13
22
20
22
20
14
23
20
7.96
7.96
7.96
7.96
2.52
2.52
2.52
2.52
2.52
2.52
0.796
65
60
50
40
35
25
20
15
12
9
0.018
0.023
0.026
0.045
0.057
0.085
0.13
4.5
3.6
3.7
2.8
2.6
2.0
1.6
1.3
1.2
0.85
0.75
4.2
3.5
3.2
2.5
2.2
1.7
1.5
1.1
1.0
0.8
0.7
......................40 °C typ. at rated I rms
Inductance Drop.......... 35 % typ. at I sat
15
Materials
22
Core..............................................Ferrite
Wire ............................Enameled copper
Terminal Finish .........................Ag/Ni/Sn
Packaging.................. 1500 pcs. per reel
33
0.185
0.23
47
68
0.39
100
8
0.50
Product Dimensions
How to Order
Electrical Schematic
8.0 0.3
(.315 .012)
SRU8028A - 100Y
Model
Value Code (see table)
8.0 0.3
(.315 .012)
Inductor Connection
2.8 0.3
(.110 .012)
2.5
(.098)
TYP.
6.0
(.236)
TYP.
LCR METER
2.8
(.110)
TYP.
2.5
(.098)
TYP.
MM
(INCHES)
DIMENSIONS:
Asia-Pacific: Tel: +886-2 2562-4117 • Email: asiacus@bourns.com
EMEA: Tel: +36 88 885 877 • Email: eurocus@bourns.com
The Americas: Tel: +1-951 781-5500 • Email: americus@bourns.com
www.bourns.com
Recommended Layout
5.8
(.228)
2.0
2.0
(.079)
(.079)
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 this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
3.2
(.126)