SRU5028_13 Datasheet, PDF (1/2 Pages) Bourns Electronic Solutions – Shielded SMD Power Inductors

*RoHS ^COMPLIANT
680
Features
■ Available in E6 series
■ Unit height of 2.8 mm
■ Current up to 3.5 A
■ RoHS compliant*
Applications
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
SRU5028 Series - Shielded SMD Power Inductors
Electrical Specifications
Bourns
Part Number
SRU5028-1R2Y
Inductance
@ 100 KHz
L (µH) Tol. (%)
1.2
±30
Q
Ref.
Test
Freq.
(MHz)
SRF
Min.
(MHz)
RDC
(mΩ)
10 7.96 200 16.8
I rms
Max.
(A)
3.50
I sat
Typ.
(A)
3.40
**K-
Factor
453
SRU5028-2R2Y 2.2
±30
10 7.96 130 21.0 3.20 2.50 313
SRU5028-3R3Y 3.3
±30
10 7.96 90 24.0 2.80 2.10 272
SRU5028-4R7Y 4.7
±30
9 7.96 50 32.0 2.20 1.85 214
SRU5028-6R8Y 6.8
±30
10 7.96 55 42.0 2.00 1.55 177
SRU5028-100Y 10.0
±30
18 2.52 25 63.0 1.80 1.40 151
SRU5028-150Y 15.0
±30
18 2.52 23 108.0 1.10 1.00 123
SRU5028-220Y 22.0
±30
15 2.52 18 162.0 0.95 0.85
95
SRU5028-330Y 33.0
±30
15 2.52 16 203.0 0.80 0.68
87
SRU5028-470Y 47.0
±30
13 2.52 13 285.0 0.70 0.62 69
SRU5028-680Y 68.0
±30
13 2.52 10 450.0 0.56 0.46 59
SRU5028-101Y 100.0 ±30
15 0.796 8 625.0 0.47 0.42 50
**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
1 MHz
10
500 KHz
300 KHz
200 KHz
100 KHz
50 KHz
1
0.1
100
Electrical Schematic
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
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 Temp. ............-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
Temp. Rise.......40 °C max. at rated Irms
Packaging.................... 600 pcs. per reel
Product Dimensions
5.2 ± 0.2
(.205 ± .008)
5.2 ± 0.2
(.205 ± .008)
2.8 ± 0.2
(.110 ± .008)
(.135.94)TYP.
1.7
(.067)
TYP.
1.8
(.071)
TYP.
(.10.677)TYP.
Recommended Layout
1.1
(.043)
REF.
1.1
(.043)
REF.
3.7
(.146)
REF.
1.1
(.043)
REF.
3.7
(.146)
REF.
1.1
(.043)
REF.
REF.(.027.09)
2.0
(.079)
REF.
DIMENSIONS:
MM
(INCHES)