SRU3017 Datasheet, PDF (1/2 Pages) Bourns Electronic Solutions – Shielded SMD Power Inductors

*RoHS ^COMPLIANT
100
Features
■ Available in E6 series
■ Unit height of 1.8 mm
■ Current up to 1.7 A
■ RoHS compliant*
Applications
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
SRU3017 Series - Shielded SMD Power Inductors
Electrical Specifications
Bourns
Part No.
SRU3017-2R2Y
SRU3017-3R3Y
SRU3017-4R7Y
SRU3017-6R8Y
SRU3017-100Y
SRU3017-150Y
SRU3017-220Y
SRU3017-330Y
SRU3017-470Y
Inductance
100 KHz
Q
(µH) Tol. % Ref.
2.2 ± 30 8
3.3 ± 30 8
4.7 ± 30 10
6.8 ± 30 10
10.0 ± 30 15
15.0 ± 30 20
22.0 ± 30 20
33.0 ± 30 20
47.0 ± 30 18
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
800
60
50
40
35
30
20
18
RDC
(mΩ)
35
55
68
85
120
175
250
430
540
Irms
Max.
(A)
1.70
1.45
1.10
1.00
0.85
0.68
0.60
0.47
0.36
Isat
Typ.
(A)
**K-
Factor
0.98 1238
0.80 1002
0.63
842
0.53
726
0.47
601
0.35
489
0.30
413
0.25
324
0.21
273
**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
1
0.1
0.01
0.001
1 MHz
800 KHz
500 KHz
400 KHz
300 KHz
200 KHz
100 KHz
0.0001
0.00001
10
Inductor Connection
100
1000
Flux Density Bp-p (gauss)
Recommended Layout
REF.
4.2
(.165)
REF.
1.8
(.071)
Electrical Schematic
1.2
(.047)
REF.
1.3
(.051)
REF.
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
Temperature Rise
.....................30 °C max. at rated Irms
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)
100
3.3 ± 0.2
(.130 ± .008)
1.8 ± 0.2
(.071 ± .008)
1.1
(.043)
TYP.
0.5
(.020)
TYP.
2.30
(.091)
TYP.
TYP.
0.5
(.020)
DIMENSIONS:
MM
(INCHES)
* 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.