PL
IA
NT
Features
■
Maximum height of 1.0 mm
■
Current up to 1.45 A
■
RoHS compliant*
Applications
■
Input/output of DC/DC converters
■
Power supplies for:
*R
oH
S
CO
M
A
FR
EE
• Portable communication equipment
• Camcorders
• LCD TVs
LE
AD
SRU2009 Series - Shielded SMD Power Inductors
Test Voltage ....................................0.1 V
.. 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.
Moisture Sensitivity Level ...................... 1
.................. N/A
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
0.90 ± 0.10
(.035 ± .004)
Bourns
Part No.
SRU2009-150Y
SRU2009-220Y
SRU2009-100Y
SRU2009-6R8Y
SRU2009-4R4Y
SRU2009-3R3Y
SRU2009-2R2Y
SRU2009-1R0Y
(µH)
6.8
15
22
10
4.4
3.3
2.2
1.0
±30
±30
±30
±30
±30
±30
±30
±30
Tol.
%
Q
Ref.
10
10
10
7
7
7
7
7
Test
Freq.
(MHz)
Ro VE LEA
HS RS D
CO ION FRE
M SA E
PL R
IA E
NT
*
Inductance
100 KHz
2.52
2.52
2.52
7.96
7.96
7.96
7.96
7.96
SRF
Typ.
(MHz)
100
70
85
120
200
RDC
Max.
(mΩ)
40
30
50
1370
2600
1080
650
430
320
210
110
Irms
Max.
(A)
0.52
0.30
0.22
0.40
0.68
0.80
1.10
1.45
2.80 ± 0.20
0.35
(.110 ± .008)
0.45
0.50
0.60
0.80
1.30
Isat
Typ.
(A)
Marking
C
E
F
A
**K-
Factor
G
H
J
I
1020
847
698
1206
1474
1730
2653
0.30
0.22
577
Δ
I (peak-to-peak ripple current, A),
determine core loss from
Core Loss vs. Flux Density
plot.
Core Loss vs. Flux Density
100
SRU2009
A
10
2.80 ± 0.20
(.110 ± .008)
Core Loss (mW)
1
0.1
1 MHz
500 KHz
300 KHz
0.90
200 KHz
(.035)
100 KHz
TYP.
50 KHz
2.80 ± 0.20
(.110 ± .008)
A
0.01
0.001
100
1000
10000
0.90
(.035)
TYP.
0.90
TYP.
(.035)
Flux Density Bp-p (gauss)
2.80 ± 0.20
(.110 ± .008)
Electrical Schematic
Recommended Layout
REF.
0.65
(.026)
1.30
(.051)
REF.
3.00
(.118)
REF.
1.20
(.047)
REF.
0.90 ± 0.10
(.035 ± .004)
0.90
(.035)
TYP.
2.10
(.083)
REF.
1.00
REF.
(.039)
LCR METER
1.00
(.039)
REF.
1.20
(.047)
REF.
0.90
(.035)
TYP.
REF.
0.65
(.026)
1.24
(.049)
REF.
DIMENSIONS:
0.65
(.026)
MM
(INCHES)
0.90
TYP.
(.035)
REF.
WARNING Cancer and Reproductive Harm
www.P65Warnings.ca.gov
3.00
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
1.30
(.118)
in their specific
1.20
Specifications are subject to change without notice. Users should verify actual device performance
(.051)
(.047)
REF.
applications. The products described herein and this document are subject to specific legal disclaimers as set forth on
REF.
the
REF.
last page of this document, and at
www.bourns.com/docs/legal/disclaimer.pdf.
Legal Disclaimer Notice
This legal disclaimer applies to purchasers and users of Bourns
®
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PDF:
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C1753 05/17/18R
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