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SRU1048_13 Datasheet, PDF (1/2 Pages) Bourns Electronic Solutions – Shielded SMD Power Inductors
*RoHS COMPLIANT
330
Features
■ Available in E6 series
■ Unit height of 4.8 mm
■ Current up to 7.8 A
■ RoHS compliant*
Applications
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
SRU1048 Series - Shielded SMD Power Inductors
Electrical Specifications
Bourns
Part Number
SRU1048-R80Y
SRU1048-1R5Y
SRU1048-2R2Y
SRU1048-3R0Y
SRU1048-4R7Y
SRU1048-6R8Y
SRU1048-8R2Y
SRU1048-100Y
SRU1048-1R2Y
SRU1048-150Y
SRU1048-220Y
SRU1048-330Y
SRU1048-470Y
SRU1048-560Y
SRU1048-680Y
SRU1048-820Y
SRU1048-101Y
SRU1048-151Y
SRU1048-221Y
SRU1048-331Y
SRU1048-561Y
Inductance
@ 100 KHz
L (µH)
Tol.
(%)
0.8 ±30
1.5 ±30
2.2 ±30
3.0 ±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
150.0 ±30
220.0 ±30
330.0 ±30
560.0 ±30
Q
(Ref.)
8
14
14
14
12
10
8
26
26
30
22
24
26
26
24
24
26
24
20
18
24
Test
Freq.
(MHz)
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
0.796
0.796
0.796
0.796
0.796
SRF
Typ.
(MHz)
RDC
(mΩ)
100.0
70.0
55.0
40.0
30.0
20.0
18.0
16.0
15.0
14.0
12.0
10.0
8.0
7.0
6.0
5.5
5.0
4.5
4.0
3.0
1.9
3.6
4.3
5.3
7.2
9.5
13.6
15.0
18.5
25.0
29.0
42.0
63.0
94.0
110.0
127.0
149.0
160.0
235.0
350.0
490.0
890.0
I rms
Max.
(A)
7.80
7.00
6.50
6.20
5.50
4.80
4.60
4.50
4.00
3.20
2.60
2.10
1.70
1.60
1.40
1.30
1.20
1.00
0.80
0.65
0.47
I sat
Typ.
(A)
**K-
Factor
8.50 266
7.20 207
6.30 169
6.00 143
4.75 124
4.10
98
3.80
89
3.70
89
3.30
81
2.70
69
2.00
56
1.70
48
1.50
41
1.40
34
1.25
33
1.10
30
1.00
26
0.80
21
0.70
17
0.52
15
0.37
12
**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
1000
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
.....................30 °C max. at rated Irms
Packaging.................... 600 pcs. per reel
Product Dimensions
10.0 ± 0.3
(.394 ± .012)
10.0 ± 0.3
(.394 ± .012)
4.8 ± 0.3
(.189 ± .012)
(.279.41)TYP.
3.4
(.134)
TYP.
100
1 MHz
500 KHz
300 KHz
10
200 KHz
100 KHz
50 KHz
1
0.1
100
1000
Flux Density Bp-p (gauss)
10000
* 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.
Recommended Layout
1.8
(.071)
REF.
7.2
(.283)
REF.
3.2
(.126)
TYP.
(.133.44)TYP.
1.8
(.071)
REF.
DIMENSIONS:
MM
(INCHES)
3.6
(.142)
REF.