PL
IA
NT
Features
n
Available in E6 series
n
Unit height of 1.8 mm
n
Current up to 1.7 A
n
RoHS compliant*
Applications
n
Input/output of DC/DC converters
n
Power supplies for:
*R
oH
S
C
OM
100
LE
AD
F
RE
E
• Portable communication equipment
• Camcorders
• LCD TVs
SRU3017 Series - Shielded SMD Power Inductors
General Specifications
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.
Rated Current
...................Ind. drop 35 % typ. at Isat
Temp. Rise.......30 °C max. at rated Irms
Moisture Sensitivity Level .....................1
ESD Classification ............................ N/A
Materials
Core ....................Ferrite DR and RI core
Wire ............ Enameled copper (Class F)
Terminal ....................................Ag/Ni/Sn
Packaging .................... 800 pcs. per reel
Product Dimensions
3.5 ± 0.2
(.138 ± .008)
Electrical Specifications
Ro VE LEA
HS RS D
C ION FRE
OM S E
PL AR
IA E
NT
*
Bourns
Part No.
Inductance
100 KHz
(µH)
SRU3017-2R2Y
SRU3017-3R3Y
SRU3017-4R7Y
SRU3017-6R8Y
SRU3017-100Y
SRU3017-150Y
SRU3017-220Y
SRU3017-330Y
SRU3017-470Y
2.2
3.3
4.7
6.8
Tol. %
± 30
± 30
± 30
± 30
± 30
± 30
± 30
± 30
± 30
Q
Ref.
8
8
Test
Freq.
(MHz)
7.96
7.96
7.96
7.96
7.96
2.52
2.52
2.52
2.52
SRF
Typ.
(MHz)
100
80
60
50
40
35
30
20
18
RDC
(mW)
35
55
68
85
Irms
Max.
(A)
1.70
1.45
1.10
1.00
0.85
0.68
0.60
0.47
0.36
0.98
0.80
0.63
0.53
0.47
0.35
0.30
0.25
0.21
Isat
Typ.
(A)
**K-
Factor
1238
1002
10
10
15
20
20
20
18
842
726
601
489
413
324
273
10.0
15.0
22.0
33.0
47.0
120
175
250
430
540
**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
1000
100
10
SRU3017
Core Loss (mW)
1
0.1
0.01
0.001
0.0001
0.00001
10
100
1000
1 MHz
800 KHz
500 KHz
400 KHz
300 KHz
200 KHz
100 KHz
100
3.3 ± 0.2
(.130 ± .008)
1.8 ± 0.2
(.071 ± .008)
3.5 ± 0.2
(.138 ± .008)
100
3.3 ± 0.2
(.130 ± .008)
Flux Density Bp-p (gauss)
1.8 ± 0.2
(.071 ± .008)
Recommended Layout
REF.
REF.
1.8
(.071)
4.2
(.165)
1.1
(.043)
TYP.
0.5
TYP.
(.020)
2.30
TYP.
(.091)
TYP.
0.5
(.020)
* RoHS Directive 2002/95/EC Jan. 27, 2003 including
0.5
annex and RoHS Recast 2011/65/EU June 8, 2011.
TYP.
(.020)
Specifications are subject to change without notice.
The device characteristics and parameters in this data
2.30
TYP.
sheet can and do vary in different applications and
(.091)
actual device performance may vary over time.
Users should verify actual device performance in their
specific applications.
TYP.
0.5
(.020)
1.3
REF.
(.051)
1.2
(.047)
REF.
MM
DIMENSIONS:
(INCHES)
.2
008)
REF.
REF.
1.8
(.071)
4.2
(.165)
0)
TYP.
)
TYP.
SRF0504 Series - Line Filter
SRU3017 Series - Shielded SMD Power Inductors
1.2
(.047)
REF.
1.3
REF.
(.051)
Inductor Connection
Electrical Schematic
Packaging Specifications
178
DIA.
(7.008)
2.0 ± 0.5
(.079 ± .020)
16.5
(.650)
13.0 ± 0.5
(.512 ± .020)
DIA.
50.0
(1.969)
13.0 ± 0.5
DIA.
(.512 ± .020)
14
(.551)
4
(.157)
COVER
TAPE
EMBOSSED
CAVITY
21.0 ± 0.8
(.827 ± .031)
LC
R
M
ET
ER
EMBOSSED
CARRIER
12.0
(.472)
END
START
100
100
100
8
(.315)
NO COMPONENT
160
(6.299)
NO COMPONENT
COMPONENTS
400
(15.748)
USER DIRECTION OF FEED
QTY: 800 PCS. PER REEL
MM
DIMENSIONS:
(INCHES)
REV. 03/18
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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