100
Features Applications
n Maximum height of 2.0 mm n Input/output of DC/DC converters
n Current up to 3.6 A n Power supplies for:
Portable communication equipment
n RoHS compliant*
Camcorders
LCD TVs
SRU6018 Series - Shielded SMD Power Inductors
Electrical Specifications General Specifications
Test Voltage ....................................0.1 V
Inductance
Reflow Soldering .. 230 C, 50 sec. max.
@ 100 KHz Test I rms
SRF RDC I sat
Q Max.
Bourns L Tol. Freq. Typ. Max. Typ. **K- Operating Temp. .........-40 C to +125 C
Part Number (H) (%) Ref. (MHz) (MHz) (m W) (A) (A) Factor
(Temperature rise included)
Storage Temp. ............-40 C to +125 C
SRU6018-1R2Y 1.2 30 8 7.96 130 25 3.60 2.80 707
Resistance to Soldering Heat
SRU6018-1R8Y 1.8 30 8 7.96 90 28 3.00 2.30 579
...............................260 C for 10 sec.
SRU6018-3R3Y 3.3 30 8 7.96 60 36 2.50 1.70 424
Moisture Sensitivity Level ...................... 1
SRU6018-4R7Y 4.7 30 8 7.96 50 52 2.20 1.40 374
ESD Classification (HBM) .................. N/A
SRU6018-6R8Y 6.8 30 8 7.96 40 60 1.90 1.20 303
SRU6018-100Y 10 30 12 2.52 30 88 1.70 1.00 236
Materials
SRU6018-150Y 15 30 12 2.52 24 130 1.50 0.80 193
SRU6018-220Y 22 30 14 2.52 18 190 1.20 0.65 163
Core ....................Ferrite DR and RI core
SRU6018-330Y 33 30 10 2.52 16 255 1.00 0.58 130
Wire ............................Enameled copper
SRU6018-470Y 47 30 12 2.52 14 410 0.80 0.46 108
Terminal ....................................Ag/Ni/Sn
SRU6018-680Y 68 30 12 2.52 12 600 0.62 0.36 90
Rated Current ..Ind. drop 35 % typ. at Isat
SRU6018-101Y 100 30 20 2.52 9 715 0.50 0.34 77
Temp. Rise.......30 C max. at rated Irms
**K-Factor: To calculate core flux density, Bp-p (gauss) = K x L(H) x I (peak-to-peak ripple current, A), Packaging .................... 800 pcs. per reel
determine core loss from Core Loss vs. Flux Density plot.
Product Dimensions
SRU6018
Core Loss vs. Flux Density
1000
100
6.20 0.30
(.244 .012)
10
6.50 0.30
1 MHz
1.80 0.20
(.256 .012)
(.071 .008)
500 KHz
300 KHz
1 200 KHz
100 KHz
50 KHz 2.15
4.90
TYP.
(.193) (.085)
TYP.
0.1
0.01
100 1000 10000
2.20
(.087)
Flux Density Bp-p (gauss)
TYP.
MM 2.15
TYP.
DIMENSIONS:
(.085)
(INCHES)
Electrical Schematic
Recommended Layout
1.10
REF.
(.043)
4.90
1.10 REF.
(.193)
1.10
(.043)
REF. (.043)
REF.
4.90
(.193)
REF.
* RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. 2.40
(.094)
Specifications are subject to change without notice.
REF.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device
1.10
performance may vary over time.
2.40
(.043)
Users should verify actual device performance in their specific applications. REF.
(.094)
REF.
100
*RoHS COMPLIANT
VERSIONS
AVAILABLE
*RoHS COMPLIANT
LEAD FREE
LEAD FREE
VERSIONS ARE
RoHS COMPLIANT*
Core Loss (mW)
SRF0504SRU6018 SeriesSeries - -Shielded Line Filter SMD Power Inductors
Packaging Specifications
178.0
2.0 0.5
178.0 2.0 0.5
DIA. 16.5
18.4
DIA.
(7.008)
(7.008) (.079 .020)
(.079 .020)
(.650)
(.724)
COVER
13.0 0.5
13.0 0.5
TAPE
21.0 0.8
21.0 0.8
(.512 .020)
(.512 .020)
(.827 .031)
(.827 .031)
DIA.
DIA.
EMBOSSED
CAVITY
50.0
50.0
(1.969)
(1.969)
13.0 0.5
13.0 0.5
DIA.
DIA.
(.512 .020) EMBOSSED
(.512 .020)
CARRIER
12.0
14.0
14
(.472)
(.551)
(.551)
44
(.157)
(.157)
END START
END START
100 100 100 10
100 100 100 10
8
8
(.315)(.315)
NO COMPONENT NO COMPONENT
NO COMPONENT NO COMPONENT
200200 400400
COMPONENTCOMPONENTSS
(7.874) (15.748)
(7.874) (15.748)
USER DIRECTION OF FEED
USER DIRECTION OF FEED
MM
DIMENSIONS:
(INCHES) QTY: 800 PCS. PER REEL
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.