SRU1028_13 Datasheet, PDF (1/2 Pages) Bourns Electronic Solutions – Shielded SMD Power Inductors

*RoHS ^COMPLIANT
100
Features
■ Available in E6 series
■ Unit height of 2.8 mm
■ Current up to 7 A
■ RoHS compliant*
Applications
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
SRU1028 Series - Shielded SMD Power Inductors
Electrical Specifications @ 25 °C
Bourns
Part Number
SRU1028-1R0Y
SRU1028-1R5Y
SRU1028-2R2Y
SRU1028-3R3Y
SRU1028-4R7Y
SRU1028-6R8Y
SRU1028-8R2Y
SRU1028-100Y
SRU1028-120Y
SRU1028-150Y
SRU1028-220Y
SRU1028-330Y
SRU1028-470Y
SRU1028-560Y
SRU1028-680Y
SRU1028-820Y
SRU1028-101Y
SRU1028-121Y
SRU1028-151Y
Inductance
@ 100 KHz
L (µH)
Tol.
(%)
1.0 ±30
1.5 ±30
2.2 ±30
3.3 ±30
4.7 ±30
6.8 ±30
8.2 ±30
10.0 ±30
12.0 ±30
15.0 ±30
22.0 ±30
33.0 ±30
47.0 ±30
56.0 ±30
68.0 ±30
82.0 ±30
100.0 ±30
120.0 ±30
150.0 ±30
Q
Ref.
Test
Freq.
(MHz)
SRF
Min.
(MHz)
RDC
(mΩ)
I rms
Max.
(A)
I sat
Typ.
(A)
**K-
Factor
14 7.96 100.0 4.9 7.00 8.00 315
12 7.96 80.0 7.3 6.50 6.50 245
12 7.96 65.0 11 5.30 4.80 200
14 7.96 55.0 15 4.60 4.30 169
12 7.96 40.0 16 4.50 3.80 147
12 7.96 30.0 15 3.50 3.00 130
12 7.96 28.0 28 3.30 2.70 116
20 7.96 25.0 40 2.80 2.40 105
22 2.52 23.0 70 2.40 2.30 93
26 2.52 22.0 69 2.00 2.00 82
26 2.52 16.0 104 1.60 1.40 71
24 2.52 12.0 139 1.25 1.20 60
20 2.52 11.0 167 1.30 1.10 49
22 2.52 10.0 208 1.10 1.00 43
20 2.52 9.0 232 1.00 0.90 39
20 2.52 8.0 323 0.90 0.85 36
20 0.796 7.0 365 0.85 0.80 33
18 0.796 6.0 428 0.65 0.70 31
18 0.796 5.0 518 0.70 0.65 27
**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
10000
General Specifications
Test Voltage .......................................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.................. 1000 pcs. per reel
Product Dimensions
10.0 ± 0.3
(.394 ± .012)
10.0 ± 0.3
(.394 ± .012)
2.8 ± 0.3
(.110 ± .012)
1000
100
10
1
0.1
100
1000
Flux Density Bp-p (gauss)
1 MHz
500 KHz
300 KHz
200 KHz
100 KHz
50 KHz
10000
(.72.941)TYP.
3.4
(.134)
TYP.
3.2
(.126)
TYP.
(.31.344)TYP.
Recommended Layout
1.8
(.071)
REF.
7.2
(.283)
REF.
1.8
(.071)
REF.
* 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.
DIMENSIONS:
MM
(INCHES)
3.6
(.142)
REF.