SRU3009

The SRU3009 Series is OBSOLETE
aND not recommended for
new designs.
CO
M
PL
IA
NT
Features
*R
oH
S
■ Maximum height of 1.05 mm
■ Current up to 1.0 A
■ RoHS compliant*
SRU3009 Series - Shielded SMD Power Inductors
General Specifications
Electrical Specifications
Inductance
100 KHz
Q
Ref.
Test
Freq.
(MHz)
SRF
Typ.
(MHz)
RDC
Max.
(mΩ)
Irms
Max.
(A)
Isat
Typ.
(A)
Bourns
Part No.
(µH)
Tol.
%
Marking
**KFactor
SRU3009-1R3Y
1.3
±30
10
7.96
210
115
1.00
SRU3009-2R2Y
2.2
±30
8.5
7.96
150
145
0.80
1.10
A
1698
0.85
B
SRU3009-3R3Y
3.3
±30
8
7.96
130
225
1340
0.65
0.72
C
SRU3009-4R7Y
4.7
±30
9
7.96
100
1107
290
0.48
0.50
D
SRU3009-6R8Y
6.8
±30
8
7.96
943
85
500
0.40
0.43
E
SRU3009-100Y
10
±30
8.5
728
2.52
60
760
0.28
0.35
F
621
SRU3009-220Y
22
±30
20
2.52
40
1450
0.22
0.25
G
417
100
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
E
T
E
L
O
S
B
O
**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
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.
Product Dimensions
Core Loss (mW)
10
1 MHz
500 KHz
300 KHz
200 KHz
100 KHz
50 KHz
1
0.1
A
3.50 ± 0.20
(.138 ± .008)
3.30 ± 0.20
(.130 ± .008)
0.01
10
100
1000
0.95 ± 0.10
(.037 ± .004)
10000
Flux Density Bp-p (gauss)
Electrical Schematic
Recommended Layout
REF.
1.20
(.047)
REF.
1.30
(.039)
4.20
(.165)
1.80 REF.
(.071)
REF.
0.50
(.020)
TYP.
1.10
(.043)
TYP.
2.30
(.091)
TYP.
0.50
(.020)
TYP.
DIMENSIONS:
* 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.
MM
(INCHES)
Applications
■ Input/output of DC/DC converters
■ Power supplies for:
•
•
•
•
Portable communication equipment
Camcorders
LCD TVs
Car radios
SRU3009 Series
SMD Power Inductors
SRF0504
Series- -Shielded
Line Filter
Packaging Specifications
178
DIA.
(7.008)
2.0 ± 0.5
(.079 ± .020)
16.5
(.650)
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
e
t
e
14
(.551)
4
(.157)
8
(.315)
END
NO COMPONENT
200
(7.874)
l
o
s
b
100
o
100
100
12.0
(.472)
100
NO COMPONENT
400
(15.748)
COMPONENTS
USER DIRECTION OF FEED
QTY: 1,500 PCS. PER REEL
START
DIMENSIONS:
MM
(INCHES)
REV. 10/15
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.