SRU1028 Datasheet, PDF (1/2 Pages) Bourns Electronic Solutions – Shielded SMD Power Inductors

*RoHS ^COMPLIANT
100
Features
■ Available in E6 series
■ Unit height of 2.8 mm
■ Current up to 7 A
■ Lead free
■ RoHS compliant*
Applications
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
SRU1028 Series - Shielded SMD Power Inductors
Electrical Specifications
Bourns Part No.
Inductance 100 KHz _Q
(µH)
Tol. % ^Ref.
Test
Frequency
(MHz)
SRF
Min.
(MHz)
RDC
(mΩ)
I rms
Max.
(A)
I sat
Typ.
(A)
SRU1028-1R0Y 1.0
± 30 14
7.96
100.0 4.9
7.00
8.00
SRU1028-1R5Y 1.5
± 30 12
7.96
80.0
7.3
6.50
6.50
SRU1028-2R2Y 2.2
± 30 12
7.96
65.0 11.0 5.30 4.80
SRU1028-3R3Y 3.3
± 30 14
7.96
55.0 15.0 4.60 4.30
SRU1028-4R7Y 4.7
± 30 12
7.96
40.0 16.5 4.50 3.80
SRU1028-6R8Y 6.8
± 30 12
7.96
30.0 25.0 3.50 3.00
SRU1028-8R2Y 8.2
± 30 12
7.96
28.0 28.5 3.30 2.70
SRU1028-100Y 10.0
± 30
20
7.96
25.0 40.0 2.80 2.40
SRU1028-150Y 15.0
± 30
26
2.52
22.0 69.0 2.00 2.00
SRU1028-220Y 22.0
± 30
26
2.52
16.0 104.0 1.60 1.40
SRU1028-330Y 33.0
± 30
24
2.52
12.0 139.0 1.25 1.20
SRU1028-470Y 47.0
± 30
20
2.52
11.0 167.0 1.30 1.10
SRU1028-560Y 56.0
± 30
22
2.52
10.0 208.0 1.10 1.00
SRU1028-680Y 68.0
± 30
20
2.52
9.0 232.0 1.00 0.90
SRU1028-820Y 82.0
± 30
20
2.52
8.0 323.0 0.90 0.85
SRU1028-101Y 100.0 ± 30 20
0.796
7.0 365.0 0.85 0.80
SRU1028-121Y 120.0 ± 30 18
0.796
6.0 428.0 0.65 0.70
SRU1028-151Y 150.0 ± 30 18
0.796
5.0 518.0 0.70 0.65
Electrical Schematic
Inductor Connection
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 10 sec.
Materials
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
......................40 °C max. at rated Irms
Packaging..................1,000 pcs. per reel
Product Dimensions
10.0 ± 0.3
(.394 ± .012)
10.0 ± 0.3
(.394 ± .012)
2.8 ± 0.3
(.110 ± .012)
LCR METER
(.72.941)TYP.
3.4
(.134)
TYP.
DIMENSIONS:
MM
(INCHES)
3.2
(.126)
TYP.
(.31.344)TYP.
Recommended Layout
1.8
(.071)
REF.
7.2
(.283)
REF.
1.8
(.071)
REF.
3.6
(.142)
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.