Features
■ High saturation current
■ Inductance range: 1.0 to 68 µH
■ Heating current up to 2.7 A
■ Dimensions: 4.5 x 4 x 3.2 mm
■ AEC-Q200 qualified
■ RoHS compliant* and halogen free**
SDE0403A Series - SMD Power Inductors
Test Frequency / Voltage ..... 1 MHz / 1 V
Operating Temperature
................................-40 °C to +125 °C
(Temperature rise included)
Storage Temperature
................................-40 °C to +125 °C
Resistance to Solder Heat
.............................+250 °C for 10 sec.
Temperature Rise
.......................40 °C typ. at rated Irms
Inductance Drop ........... 10 % typ. at Isat
Bourns
Part Number
Inductance SRF
(MHz)
Typ.
DCR
(Ω)
Typ.
DCR
(Ω)
Max.
I rms
(A)
I sat
(A)
***K-
Factor
L (μH) Tol. (%)
SDE0403A-1R0M 1.0 ± 20 113 0.0193 0.048 2.7 4.8 490
SDE0403A-2R2M 2.2 ± 20 76 0.0318 0.071 2.3 3.3 335
SDE0403A-3R3M 3.3 ± 20 64 0.0469 0.086 2.0 2.5 255
SDE0403A-4R7M 4.7 ± 20 50 0.0645 0.108 1.65 2.2 220
SDE0403A-6R8M 6.8 ± 20 41 0.0936 0.126 1.45 1.7 182
SDE0403A-8R2M 8.2 ± 20 38 0.106 0.142 1.4 1.6 163
SDE0403A-100M 10 ± 20 36 0.127 0.172 1.05 1.4 148
SDE0403A-120M 12 ± 20 32 0.146 0.197 1.0 1.3 135
SDE0403A-150M 15 ± 20 29 0.192 0.259 0.85 1.2 120
SDE0403A-180M 18 ± 20 28 0.237 0.309 0.75 1.1 112
SDE0403A-220M 22 ± 20 25 0.27 0.351 0.7 0.95 98
SDE0403A-270M 27 ± 20 22 0.322 0.419 0.65 0.85 90
SDE0403A-330K 33 ± 10 20 0.373 0.485 0.6 0.8 83
SDE0403A-390K 39 ± 10 18 0.449 0.561 0.55 0.7 75
SDE0403A-470K 47 ± 10 16 0.505 0.631 0.5 0.65 68
SDE0403A-560K 56 ± 10 15 0.736 0.92 0.45 0.6 62
SDE0403A-680K 68 ± 10 13 0.822 1.028 0.4 0.55 56
Core ..............................................Ferrite
Wire ............................Enameled copper
Terminal Finish ...................................Sn
Packaging .................. 2000 pcs. per reel
Materials
Product Dimensions
*RoHS COMPLIANT
& AEC-Q200 QUALIFIED
Recommended Layout
DIMENSIONS: MM
(INCHES)
* RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
** Bourns follows the prevailing definition of “halogen free” in the industry. Bourns considers a product to be “halogen free” if (a) the Bromine (Br) content is 900 ppm or less;
(b) the Chlorine (Cl) content is 900 ppm or less; and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less.
4.50 ± 0.3
(.177 ± .012)
4.00 ± 0.3
(.157 ± .012)
4.50
(.177 ± .012)
3.20 ± 0.3
(.126 ± .012)
1.60
(.063) REF.
1.50
(.059)
5.00
(.197)
100
Δ I (peak-to-peak ripple current,
A),
determine core loss from Core Loss vs. Flux Density plot.
Core Loss vs. Flux Density
Flux Density Bp-p (gauss)
10
100
1
10 100
1 MHz
800 KHz
500 KHz
400 KHz
300 KHz
200 KHz
1000
0.1
0.01
0.001
Core Loss (mW)
100 KHz
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
SDE0403A Series - SMD Power Inductors
Inductance vs. IDC
Temperature Rise vs. IDC
0.0
0.5
1.0
1.5
2.0
2.5
4.03.02.01.00.0
4.03.02.01.00.0
IDC (A)
L (µH)
IDC (A)
ΔT (°C)
L @ 25 °C L @ 125 °C
ΔT @ 25 °C
0.0
10.0
20.0
30.0
40.0
50.0
60.0
0.0
6.0
3.0
9.0
12.0
15.0
18.0
1.2 1.50.03.06.09.0
1.2 1.50.03.06.09.0
IDC (A)
L (µH)
IDC (A)
ΔT (°C)
L @ 25 °C L @ 125 °C
ΔT @ 25 °C
0.0
10.0
20.0
30.0
40.0
50.0
60.0
0.0
25.0
20.0
30.0
35.0
5.0
10.0
15.0
40.0
0.0
50.0
40.0
60.0
70.0
20.0
10.0
30.0
80.0
1.20.90.60.30.0
1.20.90.60.30.0
IDC (A)
L (µH)
IDC (A)
ΔT (°C)
L @ 25 °C L @ 125 °C
ΔT @ 25 °C
0.0
10.0
20.0
30.0
40.0
50.0
60.0
0.80.60.40.20.0
0.80.60.40.20.0
IDC (A)
L (µH)
IDC (A)
ΔT (°C)
L @ 25 °C L @ 125 °C
ΔT @ 25 °C
0.0
20.0
10.0
30.0
40.0
50.0
60.0
70.0
SDE0403A-2R2M SDE0403A-150M
SDE0403A-330K SDE0403A-680K
SDE0403A-2R2M SDE0403A-150M
SDE0403A-330K SDE0403A-680K
Electrical Schematic
How to Order
SDE0403A - 100M
Model
Value Code (see table)
Specifications are subject to change without notice.
Users should verify actual device performance in their
specific applications.
The products described herein and this document are
subject to specific disclaimers as set forth on the last
page of this document, and at www.bourns.com/legal/
disclaimer.pdf.
Asia-Pacifi c:
Tel: +886-2 2562-4117
Fax: +886-2 2562-4116
Europe:
Tel: +41-41 768 5555
Fax: +41-41 768 5510
The Americas:
Tel: +1-951 781-5500
Fax: +1-951 781-5700
www.bourns.com
SDE0403A Series - SMD Power Inductors
DIMENSIONS: MM
(INCHES)
EMBOSSED
CARRIER
EMBOSSED
CAVITY
0.10
(.004)
THICKNESS
MAX.
12.0
(.472)
14.0 +0
(.551 +.000)
18.4
(.724)
2.0 ± 0.5
(.079 ± .020)
50.0 -0
(1.969 - .000)
330
(12.99)
DIA.
13.0 ± 0.5
(.512 ± .020)DIA.
13.0 ± 0.5
(.512 ± .020)
DIA.
21.0 ± 0.8
(.827 ± .031)
QTY: 2,000 PCS. PER REEL
REV. 02/17
4
(.157)
8
(.315)
END START
USER DIRECTION OF FEED
200
(7.874)
NO COMPONENT NO COMPONENT
COMPONENTS 400
(15.748)
100 100 100 100 100 100
200
250
150
200
100
50
0
Temperature (°C)
10050 150
Time (Seconds)
+4.0 °C/Sec. Max. 150~200 °C / 60~120 Sec. +3.0 °C/Sec. Max. -(1.0~5.0) °C/Sec. Max.
Temperature
Rising Area
Preheat
Area
Reflow
Area
Forced
Cooling Area
250
Peak Temperature: 250 °C
217 °C
60~120 Sec.
60 Sec.
Max.
60~150 Sec.
Peak Temperature:
250 ° C max.
Max. Peak Temperature -5 °C:
30 sec. max.
Max. Time Above 217 °C:
90-150 sec. max.
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
Legal Disclaimer Notice
This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and
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Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change
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and complete before placing orders for Bourns® products.
The characteristics and parameters of a Bourns® product set forth in its data sheet are based on laboratory conditions, and
statements regarding the suitability of products for certain types of applications are based on Bourns’ knowledge of typical
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