SRU2011

T
PL
IA
N
M
CO
*R
oH
S
Features
Applications
■ Maximum height of 1.2 mm
■ Input/output of DC/DC converters
■ Current up to 1.65 A
■ Power supplies for:
•
•
•
•
■ RoHS compliant*
A
Portable communication equipment
Camcorders
LCD TVs
Car radios
SRU2011 Series - Shielded SMD Power Inductors
Electrical Specifications
General Specifications
Bourns
Part No.
Inductance
100 KHz
Tol.
(µH)
%
SRU2011-1R0Y
SRU2011-2R2Y
SRU2011-3R3Y
1.0
2.2
3.3
±30
±30
±30
6
6
6
7.96
7.96
7.96
160
120
80
100
165
240
1.65
1.20
0.90
1.50
0.90
0.76
SRU2011-4R7Y
4.7
±30
6
7.96
70
365
0.73
0.58
F
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
Q
Ref.
Test
Freq.
(MHz)
SRF
Typ.
(MHz)
RDC
Max.
(mΩ)
Irms
Max.
(A)
Isat
Typ.
(A)
Marking
**KFactor
A
C
E
2350
1678
1410
1137
**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
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
100
Product Dimensions
2.80 ± 0.20
(.110 ± .008)
Core Loss (mW)
10
1
1 MHz
500 KHz
300 KHz
200 KHz
100 KHz
50 KHz
0.1
A
2.80 ± 0.20
(.110 ± .008)
0.01
1.10 ± 0.10
(.043 ± .004)
0.001
100
1000
10000
Flux Density Bp-p (gauss)
Electrical Schematic
0.90
(.035)
TYP.
Recommended Layout
REF.
0.65
(.026)
1.30
(.051)
REF.
3.00
(.118)
REF.
1.20
(.047)
REF.
0.90
(.035)
TYP.
0.90
TYP.
(.035)
2.10
(.083)
REF.
1.00
REF.
(.039)
DIMENSIONS:
1.00
(.039)
REF.
REF.
0.65
(.026)
1.24
(.049)
REF.
1.20
(.047)
REF.
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.
SRF0504
Filter SMD Power Inductors
SRU2011Series
Series- -Line
Shielded
Packaging Specifications
178.0
DIA.
(7.008)
2.0 ± 0.5
(.079 ± .020)
21.0 ± 0.8
(.827 ± .031)
16.5
(.650)
COVER
TAPE
13.0 ± 0.5
(.512 ± .020)
DIA.
EMBOSSED
CAVITY
50.0
(1.969)
13.0 ± 0.5
DIA.
(.512 ± .020)
EMBOSSED
CARRIER
12.0
(.472)
14.0
(.551)
4
(.157)
END
A
START
A
A
A
8
(.315)
NO COMPONENT
200
(7.874)
NO COMPONENT
COMPONENTS
400
(15.748)
USER DIRECTION OF FEED
QTY: 1,500 PCS. PER REEL
DIMENSIONS:
MM
(INCHES)
REV. 11/13
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.