SRU1038 Datasheet PDF - BOURNS


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SRU1038
BOURNS

Part Number SRU1038
Description Shielded SMD Power Inductors
Page 2 Pages

SRU1038 datasheet pdf
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Features
Applications
Available in E6 series
Input/output of DC/DC converters
100
Unit height of 3.8 mm
Current up to 7.2 A
RoHS compliant*
Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
SRU1038 Series - Shielded SMD Power Inductors
Electrical Specifications
Bourns
Part No.
SRU1038-1R5Y
SRU1038-2R2Y
SRU1038-2R5Y
SRU1038-3R5Y
SRU1038-3R8Y
SRU1038-5R0Y
SRU1038-5R2Y
SRU1038-6R2Y
SRU1038-6R8Y
SRU1038-8R2Y
SRU1038-100Y
SRU1038-150Y
SRU1038-220Y
SRU1038-270Y
SRU1038-330Y
SRU1038-470Y
SRU1038-680Y
SRU1038-101Y
SRU1038-151Y
SRU1038-221Y
SRU1038-331Y
Inductance
100 KHz
(µH)
Tol.
%
1.5 ± 30
2.2 ± 30
2.5 ± 30
3.5 ± 30
3.8 ± 30
5.0 ± 30
5.2 ± 30
6.2 ± 30
6.8 ± 30
8.2 ± 30
10.0 ± 30
15.0 ± 30
22.0 ± 30
27.0 ± 30
33.0 ± 30
47.0 ± 30
68.0 ± 30
100.0 ± 30
150.0 ± 30
220.0 ± 30
330.0 ± 30
Test
Q Freq.
Ref. (MHz)
14 7.96
12 7.96
12 7.96
14 7.96
14 7.96
12 7.96
12 7.96
12 7.96
13 7.96
12 7.96
24 7.96
24 2.52
20 2.52
22 2.52
22 2.52
22 2.52
24 2.52
24 0.796
20 0.796
22 0.796
20 0.796
SRF
Typ.
(MHz)
65.0
55.0
50.0
24.0
35.0
30.0
30.0
25.0
36.0
22.0
20.0
16.0
12.0
11.0
10.0
8.0
7.0
6.0
5.0
4.0
3.0
RDC
(mΩ)
5.2
7.7
12.5
11.5
15.0
14.5
22.0
16.5
35.0
32.0
25.0
37.0
55.8
78.0
86.0
121.0
166.0
220.0
358.0
565.0
773.0
Irms
Max.
(A)
7.20
6.80
6.10
5.50
5.50
4.60
4.60
4.00
3.90
3.80
3.80
2.80
2.20
1.85
1.80
1.65
1.10
1.30
0.90
0.65
0.55
Isat
Typ.
(A)
7.00
6.50
6.00
5.50
5.50
4.80
4.80
4.20
4.00
3.90
3.60
2.70
2.30
1.90
1.80
1.60
1.30
1.10
0.80
0.65
0.52
**K-
Factor
177
145
136
106
104
94
92
84
80
73
64
51
43
39
35
29
26
20
16
14
11
**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 on page 2.
Electrical Schematic
Inductor Connection
General Specifications
Test Voltage .......................................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
Rated Current
...................Ind. drop 35 % typ. at Isat
Temperature Rise
.....................40 °C max. at rated Irms
Resistance to Soldering Heat
............................... 260 °C for 10 sec.
Materials
Core....................Ferrite DR and RI core
Wire ............................Enameled copper
Terminal ....................................Ag/Ni/Sn
Packaging.................... 800 pcs. per reel
Product Dimensions
10.0 ± 0.3
(.394 ± .012)
10.0 ± 0.3
(.394 ± .012)
3.8 ± 0.3
(.150 ± .012)
(.279.41)TYP.
3.4
(.134)
TYP.
LCR METER
Asia-Pacific: Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116
EMEA: Tel: +36 88 520 390 • Fax: +36 88 520 211
The Americas: Tel: +1-951 781-5500 • Fax: +1-951 781-5700
www.bourns.com
* 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.
Recommended Layout
1.8
(.071)
REF.
7.2
(.283)
REF.
3.2
(.126)
TYP.
(.133.44)TYP.
1.8
(.071)
REF.
DIMENSIONS:
MM
(INCHES)
3.6
(.142)
REF.



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SSRRFU0150348SSeerireiess--LSinheieFlidletedrSMD Power Inductors
Core Loss vs. Flux Density
10000
1000
100
10
1
0.1
100
Packaging Specifications
(1323.909)DIA.
2.0 ± 0.5
(.079 ± .020)
21.0 ± 0.8
(.827 ± .031)
13.0 ± 0.5
(.512 ± .020)
DIA.
END
1000
Flux Density Bp-p (gauss)
30.4
(1.20)
13.0 ± 0.5
(.512 ± .020)
DIA.
50.0
(1.969)
26
(1.02)
4
(.157)
1 MHz
500 KHz
300 KHz
200 KHz
100 KHz
50 KHz
10000
COVER
TAPE
EMBOSSED
CAVITY
EMBOSSED
CARRIER
24.0
(.945)
START
16
(.63)
NO COMPONENT
160
(6.299)
COMPONENTS
USER DIRECTION OF FEED
NO COMPONENT
400
(15.748)
QTY: 800 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.




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