Recommended Layout
Electrical Schematic
1.30
(.051)
REF.
REF.
1.20
(.047)
REF.
1.00
(.039)
REF.
1.00
(.039)
REF.
1.20
(.047)
REF.
0.65
(.026)
REF.
2.10
(.083)
REF.
0.65
(.026)
1.24
(.049)
REF.
3.00
(.118)
REF.
TYP.
2.80 ± 0.20
(.110 ± .008)
2.80 ± 0.20
(.110 ± .008)
0.90
(.035)
TYP.
0.90
(.035)
TYP.
0.90
(.035)
1.35 ± 0.15
(.053 ± .006)
A
Features
■ Maximum height of 1.5 mm
■ Current up to 2.2 A
■ RoHS compliant*
Applications
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
SRU2013 Series - Shielded SMD Power Inductors
Test Voltage ....................................0.1 V
Refl ow 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.
Electrical Specifi cations
Bourns
Part No.
Inductance
100 KHz
Q
Ref.
Test
Freq.
(MHz)
SRF
Typ.
(MHz)
RDC
Max.
(mΩ)
Irms
Max.
(A)
Isat
Typ.
(A) Marking
**K-
Factor(µH)
Tol.
%
SRU2013-1R0Y 1.0 ±30 9 7.96 180 65 2.20 1.60 A 2418
SRU2013-2R2Y 2.2 ±30 10 7.96 100 120 1.45 0.95 C 1497
SRU2013-3R3Y 3.3 ±30 10 7.96 80 135 1.00 0.86 E 1258
SRU2013-4R7Y 4.7 ±30 10 7.96 72 220 0.90 0.75 F 1014
SRU2013-6R8Y 6.8 ±30 10 7.96 60 330 0.80 0.60 G 898
SRU2013-100Y 10 ±30 12 2.52 40 520 0.67 0.45 H 731
SRU2013-150Y 15 ±30 12 2.52 30 850 0.46 0.40 I 593
SRU2013-220Y 22 ±30 12 2.52 25 880 0.40 0.35 J 484
SRU2013-330Y 33 ±30 12 2.52 20 1820 0.30 0.25 K 398
SRU2013-470Y 47 ±30 14 2.52 15 2860 0.25 0.23 L 318
General Specifi cations
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 ................. 1,200 pcs. per reel
Materials
Product Dimensions
*RoHS COMPLIANT
DIMENSIONS:
MM
(INCHES)
A
Flux Density Bp-p (gauss)
100
10
100 1000
1 MHz
500 KHz
300 KHz
200 KHz
100 KHz
50 KHz
10000
1
0.1
0.01
0.001
Core Loss (mW)
**K-Factor: To calculate core fl ux 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
* RoHS Directive 2002/95/EC Jan. 27, 2003 including
annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifi cations 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
specifi c applications.
