Features
Applications
■ Available in E6 series
■ Unit height of 2.8 mm
■ Current up to 4.5 A
■ Lead free
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
220
■ RoHS compliant*
SRU8028 Series - Shielded SMD 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
Inductance 100 KHz
Test
Frequency
(MHz)
SRF
Min.
(MHz)
I rms
Max.
(A)
I sat
Typ.
(A)
Q
Ref.
RDC
(mΩ)
Bourns Part No.
(µH)
2.5
Tol. %
30
SRU8028-2R5Y
SRU8028-3R3Y
SRU8028-4R7Y
SRU8028-6R8Y
SRU8028-100Y
SRU8028-150Y
SRU8028-220Y
SRU8028-330Y
SRU8028-470Y
SRU8028-680Y
SRU8028-101Y
15
12
15
13
22
20
22
20
14
23
35
7.96
7.96
7.96
7.96
2.52
2.52
2.52
2.52
2.52
2.52
0.796
65.0
60.0
50.0
40.0
35.0
25.0
20.0
15.0
12.0
9.0
13.6
17.5
20.0
34.0
45.0
4.50
3.60
3.70
2.80
2.60
2.00
1.60
1.30
1.20
0.85
0.75
4.20
3.50
3.20
2.50
2.20
1.70
1.50
1.10
1.00
0.80
0.70
3.3
30
................................260 °C for 10 sec.
4.7
30
6.8
30
Materials
10.0
15.0
22.0
33.0
47.0
68.0
100.0
30
30
30
30
30
30
30
Core.....................Ferrite DR and RI core
Wire.............................Enameled copper
Base ......................................LCP E4008
Terminal ....................................Ag/Ni/Sn
Rated Current
....................Ind. drop 35 % typ. at Isat
Temperature Rise
66.0
106.0
147.0
177.0
317.0
390.0
8.0
......................40 °C max. at rated Irms
Packaging...................1500 pcs. per reel
Electrical Schematic
Inductor Connection
Product Dimensions
8.0 0.3
(.315 .012)
8.0 0.3
(.315 .012)
LCR METER
2.8 0.3
(.110 .012)
MM
(INCHES)
DIMENSIONS:
2.5
(.098)
TYP.
6.0
(.236)
TYP.
2.8
(.110)
TYP.
2.5
(.098)
TYP.
Recommended Layout
5.8
(.228)
REF.
2.0
2.0
(.079)
REF.
(.079)
REF.
3.2
(.126)
REF.
*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.