Features
nꢀ Highꢀsaturationꢀcurrent
nꢀ Inductanceꢀrange:ꢀ1.0ꢀtoꢀ68ꢀµH
nꢀ Heatingꢀcurrentꢀupꢀtoꢀ2.7ꢀA
nꢀ Dimensions:ꢀ4.5ꢀxꢀ4ꢀxꢀ3.2ꢀmm
nꢀ AEC-Q200ꢀcompliant
nꢀ RoHSꢀcompliant*ꢀandꢀhalogenꢀfree**
SDE0403A Series - SMD Power Inductors
Electrical Specifications @ 25 °C
General Specifications
Test Frequency / Voltage..... 1 MHz / 1 V
Operating Temperature
................................-40 °C to +125 °C
(Temperature rise included)
Storage Temperature
................................-40 °C to +125 °C
Temperature Rise
SRF
(MHz)
Typ.
DCR
(W)
Typ.
DCR
(W)
Max.
Inductance
I rms
(A)
Bourns
Part Number
I sat
(A)
***K-
Factor
L (µH) Tol. (%)
SDE0403A-1R0M
SDE0403A-2R2M
SDE0403A-3R3M
SDE0403A-4R7M
SDE0403A-6R8M
SDE0403A-8R2M
SDE0403A-100M
SDE0403A-120M
SDE0403A-150M
SDE0403A-180M
SDE0403A-220M
SDE0403A-270M
SDE0403A-330K
SDE0403A-390K
SDE0403A-470K
SDE0403A-560K
SDE0403A-680K
1.0
2.2
3.3
4.7
6.8
8.2
10
12
15
18
22
27
33
39
47
56
68
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 10
± 10
± 10
± 10
± 10
113
76
64
50
41
38
36
32
29
28
25
22
20
18
16
15
13
0.0193
0.0318
0.0469
0.0645
0.0936
0.106
0.127
0.146
0.192
0.237
0.27
0.048
0.071
0.086
0.108
0.126
0.142
0.172
0.197
0.259
0.309
0.351
0.419
0.485
0.561
0.631
0.92
2.7
2.3
4.8
3.3
490
335
255
220
182
163
148
135
120
112
98
2.0
2.5
1.65
1.45
1.4
2.2
.......................40 °C typ. at rated Irms
Inductance Drop...........10 % typ. at Isat
1.7
1.6
1.05
1.0
1.4
Materials
1.3
Core..............................................Ferrite
Wire ............................Enameled copper
Terminal Finish ...................................Sn
Packaging..................2000 pcs. per reel
0.85
0.75
0.7
1.2
1.1
0.95
0.85
0.8
0.322
0.373
0.449
0.505
0.736
0.822
0.65
0.6
90
Product Dimensions
83
0.55
0.5
0.7
75
4.50ꢀ ꢀ0.3
(.177ꢀ ꢀ.012ꢁ
0.65
0.6
68
0.45
0.4
62
1.028
0.55
56
***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.
4.00ꢀ ꢀ0.3
(.157ꢀ ꢀ.012ꢁ
Core Loss vs. Flux Density
100
3.20ꢀ ꢀ0.3
(.126ꢀ ꢀ.012ꢁ
1.60
(.063ꢁ
REF.
10
1
0.1
Recommended Layout
0.01
4.50
(.177ꢀ ꢀ.012ꢁ
0.001
10
100
1000
1 MHz
800 KHz
500 KHz
400 KHz
300 KHz
200 KHz
100 KHz
Flux Density Bp-p (gauss)
1.50
(.059ꢁ
5.00
(.197ꢁ
*ꢀꢀRoHSꢀDirectiveꢀ2015/863,ꢀMarꢀ31,ꢀ2015ꢀandꢀAnnex.ꢀ
**Bournsꢀconsidersꢀaꢀproductꢀtoꢀbeꢀ“halogenꢀfree”ꢀifꢀ(aꢁꢀtheꢀBromineꢀ(Brꢁꢀcontentꢀisꢀ900ꢀppmꢀorꢀless;ꢀ(bꢁꢀtheꢀChlorineꢀꢀ
ꢀꢀꢀꢀ(Clꢁꢀcontentꢀisꢀ900ꢀppmꢀorꢀless;ꢀandꢀ(cꢁꢀtheꢀtotalꢀBromineꢀ(BrꢁꢀandꢀChlorineꢀ(Clꢁꢀcontentꢀisꢀ1500ꢀppmꢀorꢀless.
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.
WARNING
Cancer and Reproductive Harm
www.P65Warnings.ca.gov
Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀapplications.ꢀ
Theꢀproductsꢀdescribedꢀhereinꢀandꢀthisꢀdocumentꢀareꢀsubjectꢀtoꢀspecificꢀlegalꢀdisclaimersꢀasꢀsetꢀforthꢀonꢀtheꢀlastꢀpageꢀofꢀ
thisꢀdocument,ꢀandꢀatꢀwww.bourns.com/docs/legal/disclaimer.pdf.