SRU2009

T
PL
IA
N
M
CO
*R
oH
S
Features
Applications
■ Maximum height of 1.0 mm
■ Input/output of DC/DC converters
■ Current up to 1.45 A
■ Power supplies for:
•
•
•
•
■ RoHS compliant*
A
Portable communication equipment
Camcorders
LCD TVs
Car radios
SRU2009 Series - Shielded SMD Power Inductors
Electrical Specifications
General Specifications
Inductance
100 KHz
RDC
Max.
(mΩ)
Irms
Max.
(A)
Isat
Typ.
(A)
Bourns
Part No.
(µH)
Tol.
%
Q
Ref.
Test
Freq.
(MHz)
SRU2009-1R0Y
1.0
±30
7
7.96
200
110
1.45
SRU2009-2R2Y
2.2
±30
7
7.96
120
210
1.10
SRU2009-3R3Y
3.3
±30
7
7.96
100
320
SRU2009-4R4Y
4.4
±30
7
7.96
85
SRU2009-6R8Y
6.8
±30
7
7.96
70
SRU2009-100Y
10
±30
10
2.52
50
SRF
Typ.
(MHz)
Marking
**KFactor
1.30
A
2653
0.80
C
1730
0.80
0.60
E
1474
430
0.68
0.50
F
1206
650
0.52
0.45
G
1020
1080
0.40
0.35
H
847
SRU2009-150Y
15
±30
10
2.52
40
1370
0.30
0.30
I
698
SRU2009-220Y
22
±30
10
2.52
30
2600
0.22
0.22
J
577
**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
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
Wire ............................Enameled copper
Terminal ....................................Ag/Ni/Sn
Rated Current
...................Ind. drop 35 % typ. at Isat
Temperature Rise
.....................40 °C max. at rated Irms
Packaging ................. 1,500 pcs. per reel
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
0.01
2.80 ± 0.20
(.110 ± .008)
0.001
100
1000
10000
0.90 ± 0.10
(.035 ± .004)
Flux Density Bp-p (gauss)
Electrical Schematic
Recommended Layout
REF.
0.65
(.026)
1.30
(.051)
REF.
2.10
(.083)
REF.
0.90
(.035)
TYP.
3.00
(.118)
REF.
1.20
(.047)
REF.
0.90
(.035)
TYP.
1.00
REF.
(.039)
1.00
(.039)
REF.
REF.
0.65
(.026)
1.24
(.049)
REF.
0.90
TYP.
(.035)
DIMENSIONS:
MM
(INCHES)
1.20
(.047)
REF.
* 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
SRU2009Series
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: 1500 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.