SRU5018_13 Datasheet, PDF (1/2 Pages) Bourns Electronic Solutions – Shielded SMD Power Inductors

*RoHS ^COMPLIANT
470
Features
■ Available in E6 series
■ Unit height of 1.8 mm
■ Current up to 2.8 A
■ RoHS compliant*
Applications
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
SRU5018 Series - Shielded SMD Power Inductors
Electrical Specifications
Bourns
Part Number
SRU5018-1R0Y
SRU5018-1R5Y
SRU5018-2R2Y
SRU5018-3R5Y
SRU5018-4R7Y
SRU5018-6R8Y
SRU5018-100Y
SRU5018-150Y
SRU5018-220Y
SRU5018-330Y
SRU5018-470Y
SRU5018-680Y
SRU5018-101Y
Inductance
@ 100 KHz
L (µH)
Tol.
(%)
1.0 ±30
1.5 ±30
2.2 ±30
3.5 ±30
4.7 ±30
6.8 ±30
10.0 ±30
15.0 ±30
22.0 ±30
33.0 ±30
47.0 ±30
68.0 ±30
100.0 ±30
Test _SRF
I rms
Q Freq. _{Min. RDC} Max.
Ref. (MHz) (MHz) .(mΩ) (A)
9 7.96 200 12.5 2.80
9 7.96 160 15.5 2.50
10 7.96 130 20.5 2.30
9 7.96 90 32.0 2.10
8.5 7.96 80 36.0 2.00
7.5 7.96 60 50.0 1.45
12 2.52 50 65.0 1.25
12 2.52 40 100.0 0.95
12 2.52 28 160.0 0.68
13 2.52 23 220.0 0.66
13 2.52 18 330.0 0.54
12 2.52 16 480.0 0.37
15 0.796 15 620.0 0.32
I sat
Typ.
(A)
2.85
2.40
2.10
1.70
1.55
1.20
1.05
0.80
0.65
0.56
0.45
0.36
0.31
**K-
Factor
1105
904
765
585
524
432
368
301
243
195
163
140
117
**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
General Specifications
Test Voltage ....................................0.1 V
Reflow Soldering .. 230 °C, 50 sec. max.
Operating Temp. .........-40 °C to +125 °C
(Temperature rise included)
Storage Temperature..-40 °C to +125 °C
Resistance to Soldering Heat
............................. +260 °C for 10 sec.
Materials
Core....................Ferrite DR and RI core
Wire ............................Enameled copper
Terminal ....................................Ag/Ni/Sn
Rated Current..Ind. drop 35 % typ. at Isat
Temperature Rise
.....................30 °C max. at rated Irms
Packaging.................. 1000 pcs. per reel
Product Dimensions
5.2 ± 0.2
(.205 ± .008)
5.2 ± 0.2
(.205 ± .008)
1.8 ± 0.2
(.071 ± .008)
10
1
0.1
0.01
100
Electrical Schematic
1 MHz
500 KHz
300 KHz
200 KHz
100 KHz
50 KHz
1000
Flux Density Bp-p (gauss)
10000
Inductor Connection
* 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.
LCR METER
(.135.94)TYP.
1.7
(.067)
TYP.
Recommended Layout
1.1
(.043)
REF.
1.1
(.043)
REF.
3.7
(.146)
REF.
1.8
(.071)
TYP.
(.10.677)TYP.
1.1
(.043)
REF.
3.7
(.146)
REF.
1.1
(.043)
REF.
DIMENSIONS:
REF.(.027.09)
MM
(INCHES)
2.0
(.079)
REF.