LCR METER
5.2 ± 0.2
(.205 ± .008)
1.1 ± 0.1
(.043 ± .004)
5.2 ± 0.2
(.205 ± .008)
3.9
(.154)
TYP.
TYP.
1.7
(.067)
TYP.
1.8
(.071)
TYP.
1.7
(.067)
Flux Density Bp-p (gauss)
100
1000
10
100 1000
1 MHz
500 KHz
300 KHz
200 KHz
100 KHz
50 KHz
10000
1
0.1
0.01
Core Loss (mW)
Features
■ Available in E6 series
■ Unit height of 1.1 mm
■ Current up to 1800 mA
■ RoHS compliant*
Applications
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
SRU5011 Series - Shielded SMD Power Inductors
Electrical Specifi cations
Product Dimensions
Recommended Layout
* 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.
Electrical Schematic
Inductor Connection
*RoHS COMPLIANT
**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
Test Voltage ....................................0.1 V
Refl ow Soldering .. 230 °C, 50 sec. max.
Operating Temp. .........-40 °C to +125 °C
(Temperature rise included)
Storage Temperature ..-40 °C to +125 °C
Resistance to Soldering Heat
............................. +260 °C for 10 sec.
General Specifi cations
Core ....................Ferrite DR and RI core
Wire ............................Enameled copper
Terminal ....................................Ag/Ni/Sn
Rated Current ..Ind. drop 35 % typ. at Isat
Temperature Rise
.....................25 °C max. at rated Irms
Packaging .................. 1500 pcs. per reel
Materials
Bourns
Part Number
Inductance
@ 100 KHz
Q
Ref.
Test
Freq.
(MHz)
SRF
Min.
(MHz)
RDC
.(mΩ)
I rms
Max.
(A)
I sat
Typ.
(A)
**K-
Factor
L (µH)
Tol.
(%)
SRU5011-1R5Y 1.5 ±30 8 7.96 195.0 32 1.80 1.50 904
SRU5011-2R5Y 2.5 ±30 8 7.96 125.0 52 1.30 1.10 765
SRU5011-3R3Y 3.3 ±30 8 7.96 110.0 66 1.15 0.94 585
SRU5011-4R7Y 4.7 ±30 8 7.96 85.0 95 1.00 0.82 524
SRU5011-6R8Y 6.8 ±30 8 7.96 70.0 130 0.82 0.68 398
SRU5011-100Y 10.0 ±30 12 7.96 50.0 170 0.70 0.58 368
SRU5011-150Y 15.0 ±30 12 2.52 42.0 250 0.60 0.48 284
SRU5011-220Y 22.0 ±30 14 2.52 38.0 380 0.50 0.40 231
SRU5011-330Y 33.0 ±30 14 2.52 30.0 550 0.38 0.30 188
SRU5011-470Y 47.0 ±30 16 2.52 25.0 800 0.32 0.26 163
SRU5011-680Y 68.0 ±30 14 2.52 20.0 1240 0.26 0.22 136
SRU5011-101Y 100.0 ±30 30 0.796 15.0 1600 0.20 0.18 112
3.7
(.146)
1.1
(.043)
1.1
(.043)
2.0
(.079)
REF.
REF.
REF.
3.7
(.146)
1.1
(.043)
1.1
(.043)
REF.
REF.
REF.
REF.
2.0
(.079)
REF.
DIMENSIONS:
MM
(INCHES)
