SRU3011 Datasheet, PDF (1/2 Pages) Bourns Electronic Solutions – Shielded SMD Power Inductors

*RoHS ^COMPLIANT
D
Features
■ Available in E6 series
■ Unit height of 1.1 mm
■ Current up to 1.1 A
■ RoHS compliant*
Applications
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
SRU3011 Series - Shielded SMD Power Inductors
Electrical Specifications
Bourns
Part No.
Inductance
100 KHz
Test SRF
Irms Isat
Tol. Q Freq. Min. RDC Max. Typ.
**K-
(µH) % Ref. (MHz) (MHz) (mΩ) (A) (A) Marking Factor
SRU3011-1R5Y 1.5 ±30 7 7.96 180 57 1.10 1.00
A
1698
SRU3011-2R2Y 2.2 ±30 7 7.96 150 80 0.92 0.90
B
1498
SRU3011-3R3Y 3.3 ±30 8 7.96 120 116 0.84 0.78
C
1213
SRU3011-4R7Y 4.7 ±30 8 7.96 90 178 0.63 0.62
D
943
SRU3011-6R8Y 6.8 ±30 7 7.96 85 245 0.50 0.46
E
821
SRU3011-100Y 10.0 ±30 8 2.52 60 340 0.40 0.35
F
653
**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
100
10
1 MHz
1
500 KHz
300 KHz
200 KHz
100 KHz
50 KHz
0.1
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.
Materials
Core....................Ferrite DR and RI core
Wire ............................Enameled copper
Terminal ....................................Ag/Ni/Sn
Rated Current
...................Ind. drop 35 % typ. at Isat
Temperature Rise
.....................40 °C max. at rated Irms
Packaging.................. 1500 pcs. per reel
Product Dimensions
3.5 ± 0.2
(.138 ± .008)
A
0.01
100
1000
Flux Density Bp-p (gauss)
10000
Inductor Connection
LCR ^METER
Recommended Layout
REF.
4.2
(.165)
REF.
1.8
(.071)
1.2
(.047)
REF.
1.3 _REF.
(.051)
* 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.
3.3 ± 0.2
(.130 ± .008)
1.1 ± 0.1
(.043 ± .004)
1.1
(.043)
TYP.
0.5
(.020)
TYP.
2.30 _TYP.
(.091)
TYP.
0.5
(.020)
DIMENSIONS:
MM
(INCHES)
Electrical Schematic