SRU8028_13 Datasheet, PDF (1/2 Pages) Bourns Electronic Solutions – Shielded SMD Power Inductors

*RoHS ^COMPLIANT
220
Features
■ Available in E6 series
■ Unit height of 2.8 mm
■ Current up to 7 A
■ RoHS compliant*
Applications
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
SRU8028 Series - Shielded SMD Power Inductors
Electrical Specifications
Bourns
Part No.
Inductance
100 KHz
Test SRF
Irms Isat
Tol. Q Freq. Typ. RDC Max. Typ.
**K-
(µH) % Ref. (MHz) (MHz) (mΩ) (A)
(A)
Factor
SRU8028-1R0Y 1.0 ± 30 12 7.96 66.0 10.1 7.00 5.50
389
SRU8028-2R5Y 2.5 ± 30 15 7.96 65.0 13.6 4.50 4.20
251
SRU8028-3R3Y 3.3 ± 30 12 7.96 60.0 17.5 3.60 3.50
222
SRU8028-4R7Y 4.7 ± 30 15 7.96 50.0 20.0 3.70 3.20
198
SRU8028-6R8Y 6.8 ± 30 13 7.96 40.0 34.0 2.80 2.50
164
SRU8028-8R2Y 8.2 ± 30 17 7.96 37.0 54.0 2.60 2.30
143
SRU8028-100Y 10.0 ± 30 22 2.52 35.0 45.0 2.60 2.20
130
SRU8028-120Y 12.0 ± 30 21 2.52 30.0 76.0 2.20 2.00
121
SRU8028-150Y 15.0 ± 30 20 2.52 25.0 66.0 2.00 1.70
108
SRU8028-220Y 22.0 ± 30 22 2.52 20.0 106 1.60 1.50
88
SRU8028-330Y 33.0 ±30 20 2.52 15.0 147 1.30 1.10
74
SRU8028-470Y 47.0 ±30 14 2.52 12.0 177 1.20 1.00
62
SRU8028-680Y 68.0 ±30 23 2.52 9.0 317 0.85 0.80
50
SRU8028-101Y 100.0 ±30 35 0.796 8.0 390 0.75 0.70
41
**K-Factor: To calculate core flux density, Bp-p (gauss) = K x L(µH) x Δ I (peak-to-peak ripple current, A),
determine core loss from Core Loss vs. Flux Density plot.
Core Loss vs. Flux Density
10000
1000
100
10
1
0.1
0.01
0.001
1 MHz
800 KHz
500 KHz
400 KHz
300 KHz
200 KHz
100 KHz
0.0001
10
Electrical Schematic
100
1000
Flux Density Bp-p (gauss)
Inductor Connection
* RoHS Directive 2002/95/EC Jan. 27, 2003 including
annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
The device characteristics and parameters in this data
sheet can and do vary in different applications and
actual device performance may vary over time.
Users should verify actual device performance in their
specific applications.
LCR METER
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.
Rated Current
...................Ind. drop 35 % typ. at Isat
Temperature Rise
.....................40 °C max. at rated Irms
Materials
Core....................Ferrite DR and RI core
Wire ............................Enameled copper
Terminal ....................................Ag/Ni/Sn
Packaging.................. 1500 pcs. per reel
Product Dimensions
8.0 ± 0.3
(.315 ± .012)
8.0 ± 0.3
(.315 ± .012)
2.8 ± 0.3
(.110 ± .012)
(.263.06)TYP.
2.5
(.098)
TYP.
2.8
(.110)
TYP.
2.5 _TYP.
(.098)
Recommended Layout
2.0
(.079)
REF.
5.8
(.228)
REF.
2.0
(.079)
REF.
DIMENSIONS:
MM
(INCHES)
3.2
(.126)
REF.