SDR0302

March, 2008
Bourns Manufacturers Representatives
Corporate Distributor Product Managers
Americas Sales Team
Asia Sales Team
Europe Sales Team
Bourns Internal
Bourns Plant Managers
Change to MOQ, Multiple, Width of Tape and Size of Reel
for Bourns® Model SDR0302 Inductor
As of April 1, 2008, the Minimum Order Quantity (MOQ) and Multiple for Model SDR0302 will be
increased to 2000 pieces. Inductors will be packaged 2000 pieces per 13-inch reel on a tape of 12-mm
width. Until April 1, packaging will continue to be 1000 pieces per 7-inch reel on tape of 8-mm width.
Orders placed on or after April 1, 2008 will have an MOQ of 2000 pieces.
Details of the packaging dimensions may be found on the attached updated specification (preliminary
version). As of April 1, this specification will be posted on Bourns website at www.bourns.com.
IC0811
NT
IA
PL
M
CO
S
oH
*R
Features
Applications
■ Available in E12 series
■ Input/output of DC/DC converters
■ Low profile of only 2.5 mm
■ Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
■ Low inductance values
■ RoHS compliant*
SDR0302 Series - SMD Power Inductors
Electrical Specifications
Inductance 1kHz
Bourns Part No.
µH)
(µ
SDR0302-1R0ML
SDR0302-1R2ML
SDR0302-1R5ML
SDR0302-1R8ML
SDR0302-2R2ML
SDR0302-2R7ML
SDR0302-3R3ML
SDR0302-3R9ML
SDR0302-4R7ML
SDR0302-5R6ML
SDR0302-6R8ML
SDR0302-8R2ML
SDR0302-100ML
SDR0302-120ML
SDR0302-150ML
SDR0302-180ML
SDR0302-220ML
SDR0302-270ML
SDR0302-330KL
SDR0302-390KL
SDR0302-470KL
SDR0302-560KL
SDR0302-680KL
SDR0302-820KL
SDR0302-101KL
SDR0302-121KL
SDR0302-151KL
SDR0302-181KL
SDR0302-221KL
SDR0302-271KL
SDR0302-331KL
SDR0302-391KL
SDR0302-471KL
SDR0302-561KL
SDR0302-681KL
SDR0302-821KL
SDR0302-102KL
SDR0302-122KL
1.0
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
10.0
12.0
15.0
18.0
22.0
27.0
33.0
39.0
47.0
56.0
68.0
82.0
100.0
120.0
150.0
180.0
220.0
270.0
330.0
390.0
470.0
560.0
680.0
820.0
1000.0
1200.0
Tol. %
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
Q
Ref.
Test
Frequency
(MHz)
SRF
Min.
(MHz)
RDC
Max.
Ω)
(Ω
I rms
Max.
(A)
I sat
Typ.
(A)
20
22
23
23
22
22
23
24
18
18
18
16
18
15
20
18
23
23
20
24
23
18
24
24
40
40
38
45
40
45
40
40
42
43
43
45
40
40
7.96
7.96
7.96
7.96
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
2.52
2.52
2.52
2.52
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.252
0.252
125.0
100.0
95.0
85.0
75.0
72.0
68.0
50.0
45.0
42.0
40.0
35.0
34.0
33.0
32.0
28.0
22.0
20.0
18.0
18.0
17.0
16.0
14.0
12.0
10.0
10.0
9.0
8.5
8.0
7.0
6.0
5.5
5.0
4.8
4.3
4.0
3.2
3.0
0.06
0.07
0.07
0.08
0.09
0.10
0.11
0.12
0.15
0.16
0.18
0.20
0.25
0.28
0.40
0.46
0.66
0.75
0.85
1.12
1.27
1.45
1.85
2.10
2.85
3.20
4.60
5.00
5.70
8.60
10.00
10.80
14.30
16.00
18.00
22.50
26.00
30.00
2.100
2.000
1.900
1.800
1.650
1.500
1.400
1.300
1.200
1.100
1.000
0.900
0.800
0.750
0.650
0.580
0.520
0.480
0.420
0.380
0.360
0.340
0.300
0.280
0.260
0.220
0.200
0.185
0.170
0.150
0.130
0.120
0.105
0.095
0.085
0.080
0.070
0.060
2.700
2.500
2.300
2.000
1.850
1.700
1.600
1.500
1.350
1.300
1.200
1.050
0.900
0.850
0.800
0.750
0.650
0.550
0.500
0.450
0.400
0.350
0.320
0.300
0.280
0.250
0.230
0.210
0.190
0.170
0.150
0.140
0.130
0.120
0.110
0.100
0.090
0.080
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 5 sec.
Y
R
A
N
I
M
I
L
E
R
P
Typical Part Marking
Materials
Core .......................................Ferrite DR
Wire .............Enameled copper wire 130
Terminal.....................................Ag/Ni/Sn
Rated Current
...................Ind. drop 10 % typ. at Isat
Temperature Rise ..................40 °C max.
at rated Irms
Packaging ..................2000 pcs. per reel
Product Dimensions
3.0 ± 0.3
(.118 ± .012)
MAX.
2.5 ± 0.3
MAX.
(.098 ± .012)
0.9
TYP.
(.035)
2.8 ± 0.3
MAX.
(.110 ± .012)
Recommended Layout
3.0
(.118)
1.4
(.055)
0.8
(.031)
Electrical Schematic
1.4
(.055)
START
1
4
DIMENSIONS:
MM
(INCHES)
100
FINISH
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
SDR0302 Series - SMD Power Inductors
Packaging Specifications
2.0 ± 0.5
(.079 ± .020)
330.0
(13.00)
DIA.
18.4
(.724)
THICKNESS
0.10
(.004)
MAX.
13.0 ± 0.5
(.512 ± .020)
DIA.
21.0 ± 0.8
(.827 ± .031)
EMBOSSED
CAVITY
Y
R
A
N
I
M
I
L
E
R
P
50.0
(1.969)
13.0 ± 0.5
DIA.
(.512 ± .020)
EMBOSSED
CARRIER
14.0
(.551)
8.0
(.315)
END
4.0
(.157)
START
12.0
(.472)
NO COMPONENT
200
(7.874)
NO COMPONENT
COMPONENTS
USER DIRECTION OF FEED
QTY: 2000 PCS. PER REEL
DIMENSIONS:
REV. 03/08
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
MM
(INCHES)
400
(15.748)