Features
Applications
■ Available in E6 series
■ Low profile of only 6.6 mm
■ Inductance as low as 1 µH
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communications equipment
• Camcorders
• LCD TVs
• Car radios
■ Lead free version available (see How to
Order)
■ Lead free versions are RoHS compliant*
SDR1806 Series - SMD Power Inductors
Electrical Specifications
General Specifications
Test Voltage.....................................0.1 V
Reflow soldering.....230 °C; 10 sec max.
Operating Temperature ..-40 °C to +125 °C
(Temperature rise included)
Storage Temperature..-40 °C to +125 °C
Resistance to Soldering Heat
Inductance 100 kHz
Test
Frequency
(MHz)
SRF
Typ.
(MHz)
I rms
Max.
(A)
I sat
Typ.
(A)
Q
Ref.
RDC
(mΩ)
Bourns Part No.
(µH)
Tol. %
SDR1806-1R0M_
SDR1806-2R2M_
SDR1806-3R3M_
SDR1806-5R6M_
SDR1806-100M_
SDR1806-150M_
SDR1806-220M_
SDR1806-330M_
SDR1806-470M_
SDR1806-680M_
SDR1806-101K_
SDR1806-151K_
SDR1806-221K_
SDR1806-331K_
SDR1806-471K_
SDR1806-681K_
SDR1806-102K_
1
2.2
3.3
5.6
20
20
20
20
20
20
20
20
20
20
10
10
10
10
10
10
10
21
22
22
23
22
20
22
24
22
22
25
23
20
18
15
12
10
7.96
7.96
7.96
7.96
2.52
2.52
2.52
2.52
2.52
100.0
55.0
40.0
30.0
25.0
17.0
13.0
11.0
9.0
8.0
7.0
5.0
4.5
4.0
6.8
9.8
15.0
25.0
35.0
45.0
68.0
95.0
130.0
190.0
270.0
420.0
580.0
820.0
1200.0
1800.0
10.0
9.00
7.60
6.40
5.30
4.30
3.60
3.00
2.50
2.10
1.70
1.40
1.10
1.00
0.80
0.70
0.50
30.00
22.00
17.00
12.80
10.00
8.00
6.70
5.40
4.60
3.80
3.20
2.60
2.20
1.80
1.50
1.20
1.00
................................230 °C for 10 sec.
Materials
10.0
15.0
22.0
33.0
47.0
68.0
100.0
150.0
220.0
330.0
470.0
680.0
1000.0
Core.........................................Ferrite DR
Wire.............................Enameled copper
Base ......................................LCP E4008
Terminal Electrode......See How to Order
Rated Current
2.52
....................Ind. drop 10 % typ. at Isat
Temperature Rise ..................40 °C max.
at rated Irms
0.796
0.796
0.796
0.796
0.796
0.796
0.252
Packaging.....................250 pcs. per reel
3.5
3.0
2.5
2.0
Product Dimensions
14.0 ± 0.3
(.551 ± .012)
Electrical Schematic
How to Order
SDR1806 - 100M __
Model
18.3 ± 0.3
(.720 ± .012)
6.6 ± 0.3
(.260 ± .012)
Value/Tolerance: from table
Termination
L = Cu/Ni/Sn
Blank = Cu/Ni/SnPb
13.0 ± 0.3
(.512 ± .012)
2.5 ± 0.2
(.098 ± .008)
2.6 ± 0.2
(.102 ± .008)
= START OF WINDING
•
Recommended Layout
2.9
(.114)
12.7
REF.
REF.
(.500)
3.0
(.118)
REF.
MM
(INCHES)
DIMENSIONS:
*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.