PL
IA
N
Features
■
Available in E6 series
■
Unit height of 4.3 mm
■
Current up to 5.4 A
Applications
■
Input/output of DC/DC converters
■
Power supplies for:
*R
oH
S
CO
M
T
101
■
RoHS compliant*
• Portable communication equipment
• Camcorders
• LCD TVs
SRU8043 Series - Shielded SMD Power Inductors
Test Voltage .......................................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 .................. 1000 pcs. per reel
Product Dimensions
8.0 ± 0.3
(.315 ± .012)
Inductance
100 KHz
Bourns
Part No.
(μH)
Tol.
%
Q
Ref.
Test
Freq.
(MHz)
SRF
Min.
(MHz)
RDC
(mΩ)
Irms
Max.
(A)
Isat
Typ.
(A)
**K-
Factor
SRU8043-2R2Y
SRU8043-3R9Y
SRU8043-4R7Y
SRU8043-6R8Y
SRU8043-100Y
SRU8043-120Y
SRU8043-150Y
SRU8043-180Y
SRU8043-220Y
SRU8043-270Y
SRU8043-330Y
SRU8043-470Y
SRU8043-680Y
SRU8043-101Y
2.2
3.9
4.7
6.8
10
12
15
18
22
27
33
47
68
100
± 30
± 30
± 30
± 30
± 30
± 30
± 30
± 30
± 30
±30
± 30
±30
±30
±30
15
15
13
12
27
15
26
15
24
17
21
21
20
50
7.96
7.96
7.96
7.96
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
0.796
65.0
42.0
36.0
30.0
20.0
15.0
15.0
15.0
12.0
12.0
11.0
9.0
7.0
6.0
11.2
14.6
17.0
22.4
30.0
39.0
46.0
62.0
72.5
84.0
100.0
120.0
192.0
287.0
5.40
4.80
4.60
3.80
3.50
2.80
2.70
2.30
2.20
1.80
1.70
1.50
1.20
1.00
5.20
4.00
3.60
3.10
2.70
2.20
2.00
1.70
1.70
1.55
1.40
1.20
1.00
0.80
250
191
171
141
120
110
98
87
79
73
66
55
44
38
Δ
I (peak-to-peak ripple current, A),
determine core loss from
Core Loss vs. Flux Density
plot.
Core Loss vs. Flux Density
10000
1000
100
10
1
0.1
0.01
0.001
0.0001
10
100
1000
1 MHz
800 KHz
500 KHz
400 KHz
300 KHz
200 KHz
100 KHz
8.0 ± 0.3
(.315 ± .012)
Core Loss (mW)
4.3 ± 0.3
(.169 ± .012)
6.0
TYP.
(.236)
2.5
(.098)
TYP.
2.8
(.110)
TYP.
2.5
TYP.
(.098)
Flux Density Bp-p (gauss)
Electrical Schematic
Inductor Connection
Recommended Layout
5.8
(.228)
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
2.0
(.079)
REF.
2.0
(.079)
REF.
LCR METER
WARNING Cancer and Reproductive Harm
www.P65Warnings.ca.gov
DIMENSIONS:
MM
(INCHES)
3.2
(.126)
REF.
SRF0504 Series - -Line Filter SMD Power Inductors
SRU8043 Series Shielded
330
DIA.
(12.99)
2.0 ± 0.5
(.079 ± .020)
22.4
(.882)
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)
18
(.709)
EMBOSSED
CARRIER
16.0
(.630)
END
4
(.157)
START
12
(.472)
NO COMPONENT
NO COMPONENT
COMPONENTS
160
(6.299)
400
(15.748)
USER DIRECTION OF FEED
QTY: 1000 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
®
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on a case-by-case basis, use of any Bourns
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®
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Bourns
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®
standard products that are suitable for use in aircraft
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and the user for which such Bourns
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also apply to such Bourns custom products.
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