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SRU2011 Datasheet, PDF (1/2 Pages) Bourns Electronic Solutions – Shielded SMD Power Inductors
*RoHS COMPLIANT
A
Features
■ Maximum height of 1.2 mm
■ Current up to 1.65 A
■ RoHS compliant*
Applications
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
SRU2011 Series - Shielded SMD Power Inductors
Electrical Specifications
Inductance
100 KHz
Test SRF RDC Irms Isat
Bourns
Part No.
Tol. Q Freq. Typ. Max. Max. Typ.
**K-
(µH) % Ref. (MHz) (MHz) (mΩ) (A) (A) Marking Factor
SRU2011-1R0Y 1.0 ±30 6 7.96 160 100 1.65 1.50
A
2350
SRU2011-2R2Y 2.2 ±30 6 7.96 120 165 1.20 0.90
C
1678
SRU2011-3R3Y 3.3 ±30 6 7.96 80 240 0.90 0.76
E
1410
SRU2011-4R7Y 4.7 ±30 6 7.96 70 365 0.73 0.58
F
1137
SRU2011-6R8Y 6.8 ±30 6 7.96 60 450 0.70 0.54
G
953
SRU2011-100Y 10 ±30 10 2.52 45 740 0.52 0.40
H
750
SRU2011-150Y 15 ±30 10 2.52 40 1200 0.38 0.34
I
641
SRU2011-220Y 22 ±30 12 2.52 25 1580 0.33 0.27
J
511
SRU2011-330Y 33 ±30 12 2.52 24 2860 0.23 0.22
K
425
**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
100
10
General Specifications
Test Voltage ....................................0.1 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
Terminal ....................................Ag/Ni/Sn
Rated Current
...................Ind. drop 35 % typ. at Isat
Temperature Rise
.....................40 °C max. at rated Irms
Packaging................. 1,500 pcs. per reel
Product Dimensions
2.80 ± 0.20
(.110 ± .008)
1
0.1
0.01
0.001
100
Electrical Schematic
1 MHz
500 KHz
300 KHz
200 KHz
100 KHz
50 KHz
1000
Flux Density Bp-p (gauss)
10000
Recommended Layout
REF. 0.65
(.026)
1.30
(.051)
REF.
3.00
(.118)
REF.
1.20
(.047)
REF.
2.10
(.083)
REF.
REF.
0.65
(.026)
1.00
(.039)
REF.
1.00
(.039)
REF.
1.24
(.049)
REF.
1.20
(.047)
REF.
A
2.80 ± 0.20
(.110 ± .008)
1.10 ± 0.10
(.043 ± .004)
0.90
(.035)
TYP.
0.90
(.035)
TYP.
0.90
(.035)
TYP.
DIMENSIONS:
MM
(INCHES)
* 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.