SRU8043

T
PL
IA
N
M
CO
*R
oH
S
Features
Applications
■ Available in E6 series
■ Input/output of DC/DC converters
■ Unit height of 4.3 mm
■ Power supplies for:
•
•
•
•
■ Current up to 5.4 A
101
■ RoHS compliant*
Portable communication equipment
Camcorders
LCD TVs
Car radios
SRU8043 Series - Shielded SMD Power Inductors
Electrical Specifications
General Specifications
Inductance
100 KHz
Bourns
Part No.
(µH)
Tol.
%
Q
Ref.
Test
Freq.
(MHz)
SRU8043-2R2Y
2.2
± 30
15
7.96
65.0
11.2
5.40
5.20
250
SRU8043-3R9Y
3.9
± 30
15
7.96
42.0
14.6
4.80
4.00
191
SRU8043-4R7Y
4.7
± 30
13
7.96
36.0
17.0
4.60
3.60
171
SRU8043-6R8Y
6.8
± 30
12
7.96
30.0
22.4
3.80
3.10
141
SRU8043-100Y
10
± 30
27
2.52
20.0
30.0
3.50
2.70
120
SRU8043-120Y
12
± 30
15
2.52
15.0
39.0
2.80
2.20
110
SRU8043-150Y
15
± 30
26
2.52
15.0
46.0
2.70
2.00
98
SRU8043-180Y
18
± 30
15
2.52
15.0
62.0
2.30
1.70
87
SRU8043-220Y
22
± 30
24
2.52
12.0
72.5
2.20
1.70
79
SRU8043-270Y
27
±30
17
2.52
12.0
84.0
1.80
1.55
73
SRU8043-330Y
33
± 30
21
2.52
11.0
100.0
1.70
1.40
66
SRU8043-470Y
47
±30
21
2.52
9.0
120.0
1.50
1.20
55
SRU8043-680Y
68
±30
20
2.52
7.0
192.0
1.20
1.00
44
SRU8043-101Y
100
±30
50
0.796
6.0
287.0
1.00
0.80
38
SRF
Min.
(MHz)
RDC
(mΩ)
Irms
Max.
(A)
Isat
Typ.
(A)
**KFactor
**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.
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
8.0 ± 0.3
(.315 ± .012)
Core Loss vs. Flux Density
10000
8.0 ± 0.3
(.315 ± .012)
1000
Core Loss (mW)
100
4.3 ± 0.3
(.169 ± .012)
10
1 MHz
800 KHz
500 KHz
400 KHz
300 KHz
200 KHz
100 KHz
1
0.1
0.01
6.0
TYP.
(.236)
2.5
(.098)
TYP.
0.001
2.8
(.110)
TYP.
0.0001
10
100
1000
2.5
TYP.
(.098)
Flux Density Bp-p (gauss)
Electrical Schematic
* 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.
Inductor Connection
Recommended Layout
2.0
(.079)
REF.
5.8
(.228)
REF.
2.0
(.079)
REF.
LCR METER
DIMENSIONS:
MM
(INCHES)
3.2
(.126)
REF.
SRF0504
Filter SMD Power Inductors
SRU8043Series
Series- -Line
Shielded
Packaging Specifications
330
DIA.
(12.99)
2.0 ± 0.5
(.079 ± .020)
22.4
(.882)
COVER
TAPE
13.0 ± 0.5
(.512 ± .020)
DIA.
21.0 ± 0.8
(.827 ± .031)
EMBOSSED
CAVITY
50.0
(1.969)
13.0 ± 0.5
DIA.
(.512 ± .020)
EMBOSSED
CARRIER
16.0
(.630)
18
(.709)
4
(.157)
END
START
12
(.472)
NO COMPONENT
160
(6.299)
NO COMPONENT
COMPONENTS
400
(15.748)
USER DIRECTION OF FEED
QTY: 1000 PCS. PER REEL
DIMENSIONS:
MM
(INCHES)
Asia-Pacific: Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116
EMEA: Tel: +36 88 520 390 • Fax: +36 88 520 211
The Americas: Tel: +1-951 781-5500 • Fax: +1-951 781-5700
www.bourns.com
REV. 11/13
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.