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)
1.65 ± 0.15
(.065 ± .006)
A
Recommended Layout
Electrical Schematic
Features
■ Maximum height of 1.8 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
SRU2016 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.
%
SRU2016-1R0Y 1.0 ±30 8 7.96 250 60 2.20 1.60 A 2170
SRU2016-2R2Y 2.2 ±30 8 7.96 120 105 1.60 1.00 C 1485
SRU2016-3R0Y 3.0 ±30 8 7.96 90 135 1.50 0.87 E 1227
SRU2016-4R7Y 4.7 ±30 8 7.96 80 215 1.15 0.74 F 973
SRU2016-6R0Y 6.0 ±30 9 7.96 70 250 0.90 0.63 G 855
SRU2016-100Y 10 ±30 9 2.52 45 430 0.87 0.52 H 627
SRU2016-150Y 15 ±30 10 2.52 40 650 0.60 0.40 I 514
SRU2016-220Y 22 ±30 12 2.52 30 990 0.43 0.37 J 448
SRU2016-330Y 33 ±30 12 2.52 20 1470 0.41 0.29 K 376
SRU2016-470Y 47 ±30 15 2.52 20 1650 0.31 0.22 L 303
SRU2016-680Y 68 ±30 18 2.52 15 3510 0.22 0.17 M 233
SRU2016-101Y 100 ±30 8 2.52 10 4900 0.19 0.15 N 209
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
.....................40 °C max. at rated Irms
Packaging ................. 1,000 pcs. per reel
Materials
Product Dimensions
*RoHS COMPLIANT
DIMENSIONS:
MM
(INCHES)
A
**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.
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
Core Loss (mW)
