IA
N
Features
■
Maximum height of 1.2 mm
■
Current up to 1.65 A
■
RoHS compliant*
Applications
■
Input/output of DC/DC converters
■
Power supplies for:
*R
oH
S
CO
M
PL
T
A
• Portable communication equipment
• Camcorders
• LCD TVs
SRU2011 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
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)
Bourns
Part No.
Inductance
100 KHz
Tol.
(μH)
%
Q
Ref.
Test
Freq.
(MHz)
SRF
Typ.
(MHz)
RDC
Max.
(mΩ)
Irms
Max.
(A)
Isat
Typ.
(A)
Marking
**K-
Factor
SRU2011-1R0Y
SRU2011-2R2Y
SRU2011-3R3Y
SRU2011-4R7Y
SRU2011-6R8Y
SRU2011-100Y
SRU2011-150Y
SRU2011-220Y
SRU2011-330Y
1.0
2.2
3.3
4.7
6.8
10
15
22
33
±30
±30
±30
±30
±30
±30
±30
±30
±30
6
6
6
6
6
10
10
12
12
7.96
7.96
7.96
7.96
7.96
2.52
2.52
2.52
2.52
160
120
80
70
60
45
40
25
24
100
165
240
365
450
740
1200
1580
2860
1.65
1.20
0.90
0.73
0.70
0.52
0.38
0.33
0.23
1.50
0.90
0.76
0.58
0.54
0.40
0.34
0.27
0.22
A
C
E
F
G
H
I
J
K
2350
1678
1410
1137
953
750
641
511
425
Δ
I (peak-to-peak ripple current, A),
determine core loss from
Core Loss vs. Flux Density
plot.
Core Loss vs. Flux Density
100
10
Core Loss (mW)
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
1.10 ± 0.10
(.043 ± .004)
Flux Density Bp-p (gauss)
Electrical Schematic
Recommended Layout
REF.
0.65
(.026)
3.00
(.118)
REF.
0.90
(.035)
TYP.
1.20
(.047)
REF.
0.90
(.035)
TYP.
1.30
(.051)
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.
Users should verify actual device performance in their
specific applications. The products described herein and
this document are subject to specific legal disclaimers as
set forth on the last page of this document, and at
www.bourns.com/docs/legal/disclaimer.pdf
2.10
(.083)
REF.
1.00
REF.
(.039)
1.00
(.039)
REF.
DIMENSIONS:
MM
(INCHES)
0.90
TYP.
(.035)
REF.
0.65
(.026)
1.24
(.049)
REF.
1.20
(.047)
REF.
WARNING Cancer and Reproductive Harm
www.P65Warnings.ca.gov
SRF0504 Series - -Line Filter SMD Power Inductors
SRU2011 Series Shielded
178.0
DIA.
(7.008)
2.0 ± 0.5
(.079 ± .020)
16.5
(.650)
13.0 ± 0.5
(.512 ± .020)
DIA.
50.0
(1.969)
COVER
TAPE
EMBOSSED
CAVITY
21.0 ± 0.8
(.827 ± .031)
13.0 ± 0.5
DIA.
(.512 ± .020)
14.0
(.551)
EMBOSSED
CARRIER
12.0
(.472)
END
4
(.157)
START
A
A
A
A
8
(.315)
NO COMPONENT
NO COMPONENT
COMPONENTS
200
(7.874)
400
(15.748)
USER DIRECTION OF FEED
QTY: 1,500 PCS. PER REEL
DIMENSIONS:
MM
(INCHES)
REV. 03/18
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the 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
®
products manufactured by or on behalf of Bourns, Inc. and
Unless otherwise expressly indicated in writing, Bourns
®
products and data sheets relating thereto are subject to change
and complete before placing orders for Bourns
®
products.
The characteristics and parameters of a Bourns
®
product set forth in its data sheet are based on laboratory conditions, and
statements regarding the suitability of products for certain types of applications are based on Bourns’ knowledge of typical
requirements in generic applications. The characteristics and parameters of a Bourns
®
®
product with other components
the actual performance of the Bourns
®
®
®
product as meeting the requirements of a particular industry
®
of Bourns products are responsible for ensuring compliance with safety-related requirements and standards applicable to
®
Bourns
®
on a case-by-case basis, use of any Bourns
®
®
®
®
®
Bourns
®
®
standard products that are suitable for use in aircraft
®
standard
the user’s sole risk.
®
and the user for which such Bourns
®
®
custom products shall be negotiated on a case-by-case basis by Bourns
®
also apply to such Bourns custom products.
Users shall not sell, transfer, export or re-export any Bourns
®
Bourns
®
standard products shall
products and Bourns technology and technical data may not under any circumstance be
exported or re-exported to countries subject to international sanctions or embargoes. Bourns
®
products may not, without
®
bilingual versions are available at:
Web Page:
http://www.bourns.com/legal/disclaimers-terms-and-policies
PDF:
http://www.bourns.com/docs/Legal/disclaimer.pdf