SRU2009_13 Datasheet, PDF (1/2 Pages) Bourns Electronic Solutions – Shielded SMD Power Inductors

*RoHS ^COMPLIANT
A
Features
■ Maximum height of 1.0 mm
■ Current up to 1.45 A
■ RoHS compliant*
Applications
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
SRU2009 Series - Shielded SMD Power Inductors
Electrical Specifications
Bourns
Part No.
Inductance
100 KHz
Test SRF RDC Irms Isat
Tol. Q Freq. Typ. Max. Max. Typ.
**K-
(µH) % Ref. (MHz) (MHz) (mΩ) (A) (A) Marking Factor
SRU2009-1R0Y 1.0 ±30 7 7.96 200 110 1.45 1.30
A
2653
SRU2009-2R2Y 2.2 ±30 7 7.96 120 210 1.10 0.80
C
1730
SRU2009-3R3Y 3.3 ±30 7 7.96 100 320 0.80 0.60
E
1474
SRU2009-4R4Y 4.4 ±30 7 7.96 85 430 0.68 0.50
F
1206
SRU2009-6R8Y 6.8 ±30 7 7.96 70 650 0.52 0.45
G
1020
SRU2009-100Y 10 ±30 10 2.52 50 1080 0.40 0.35
H
847
SRU2009-150Y 15 ±30 10 2.52 40 1370 0.30 0.30
I
698
SRU2009-220Y 22 ±30 10 2.52 30 2600 0.22 0.22
J
577
**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
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................. 1,500 pcs. per reel
Product Dimensions
2.80 ± 0.20
(.110 ± .008)
1
1 MHz
500 KHz
300 KHz
0.1
200 KHz
100 KHz
50 KHz
0.01
0.001
100
Electrical Schematic
1000
Flux Density Bp-p (gauss)
10000
Recommended Layout
REF. ^0.65
(.026)
1.30
(.051)
REF.
3.00
(.118)
REF.
1.20
(.047)
REF.
A
2.80 ± 0.20
(.110 ± .008)
0.90 ± 0.10
(.035 ± .004)
0.90
(.035)
TYP.
2.10
(.083)
REF.
REF.
0.65
(.026)
1.00
(.039) ^REF.
1.00
(.039)
REF.
1.24
(.049)
REF.
1.20
(.047)
REF.
DIMENSIONS:
MM
(INCHES)
0.90
(.035)
TYP.
0.90
(.035)
TYP.
* 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.