Features
Applications
nꢀ Semi-shieldedꢀconstruction
nꢀꢀInductanceꢀrange:ꢀ0.90ꢀtoꢀ100ꢀµH
nꢀꢀRatedꢀcurrentꢀupꢀtoꢀ4.6ꢀA
nꢀ RoHSꢀcompliant*ꢀandꢀhalogenꢀfree**
nꢀ DC/DCꢀconverters
nꢀ Notebookꢀcomputers
nꢀ Digitalꢀvideoꢀcameras
nꢀ HDDsꢀ
6R8
nꢀ Cellphonesꢀ
nꢀ Televisions,ꢀLCDꢀdisplays
SRN6028 Series - Semi-shielded Power Inductors
Electrical Specifications @ 25 °C
General Specifications
Operating Temperature
................................. -40 °C to +125 °C
(Temperature rise included)
Storage Temperature .... -10 °C to +40 °C
Resistance to Solder Heat
...............................+260 °C for 10 sec.
Temperature Rise.....40 °C at rated Irms
Rated Current
Inductance
@ 100 KHz / 1 V
Test
Freq.
(MHz)
SRF
(MHz)
Typ.
DCR
(W)
Max.
Q
Irms
(A)
Isat
(A)
Bourns Part No.
SRN6028-R90Y
SRN6028-1R5Y
SRN6028-2R2Y
SRN6028-3R0Y
SRN6028-3R3M
SRN6028-3R9M
SRN6028-4R7M
SRN6028-6R0M
SRN6028-6R2M
SRN6028-6R8M
SRN6028-100M
SRN6028-150M
SRN6028-220M
SRN6028-330M
SRN6028-470M
SRN6028-680M
SRN6028-101M
L (mH) Tol. %
(Ref.)
12
12
12
12
12
10
10
10
10
10
18
14
18
11
0.90
1.5
2.2
3.0
3.3
3.9
4.7
6.0
6.2
6.8
10
30
30
30
30
20
20
20
20
20
20
20
20
20
20
20
20
20
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
0.796
105
70
56
46
42
35
34
28
28
27
20
17
14
10
9
0.017
0.021
0.026
0.03
4.6
4.2
3.7
3.4
3.4
3.0
3.0
2.5
2.2
2.2
1.9
1.8
1.4
1.1
0.92
0.77
0.66
6.7
5.1
4.2
3.6
3.6
2.7
2.7
2.5
2.2
2.2
1.9
1.6
1.3
1.1
1.0
0.8
0.65
............ Inductance drops 30 % at Isat
Moisture Sensitivity Level.....................1
ESD Classification (HBM)................. N/A
0.034
0.038
0.038
0.048
0.063
0.063
0.078
0.114
0.162
0.264
0.36
Materials
Core..............................................Ferrite
Wire ............................Enameled copper
Terminal Finish ........................Sn/Ag/Cu
Coating.................Magnetic epoxy resin
Packaging..... 1000 pcs. per 13-inch reel
15
22
33
Product Dimensions
47
11
6.0 0.ꢀ
(.ꢀ36 .00ꢁ8
68
11
7
0.51
100
16
6
0.72
Soldering Profile
6.0 0.ꢀ
(.ꢀ36 .00ꢁ8
Peak Temperature: 250 °C max.
Max. Peak Temperature -5 °C: 30 sec. max.
Max. Time Above 217 °C: 60~150 sec. max.
Temperature
Rising Area
Preheat
Area
Reflow
Area
Forced
Cooling Area
1.50
(.0598
TYP.
+4.0 °C/Sec. Max.
150~200 °C / 60~120 Sec.
+3.0 °C/Sec. Max.
-(1.0~5.0) °C/Sec. Max.
Peak Temperature: 250 °C
250
200
150
100
50
217 °C
60~150 Sec.
60 Sec.
Max.
60~120 Sec.
ꢀ.ꢁ
(.1108
MAX.
ꢀ
MM
(INCHES)
DIMENSIONS:
50
100
150
200
250
0
ꢀ
Time (Seconds)
Recommended Layout
6.3
(.ꢀ4ꢁ8
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov
5.7
(.ꢀꢀ48
*ꢀꢀRoHSꢀDirectiveꢀ2015/863,ꢀMarꢀ31,ꢀ2015ꢀandꢀAnnex.ꢀ
**Bournsꢀfollowsꢀtheꢀprevailingꢀdefinitionꢀofꢀ“halogenꢀfree”ꢀinꢀtheꢀindustry.ꢀꢀBournsꢀconsidersꢀaꢀproductꢀtoꢀbeꢀ“halogenꢀ
ꢀꢀꢀꢀfree”ꢀifꢀ(a)ꢀtheꢀBromineꢀ(Br)ꢀcontentꢀisꢀ900ꢀppmꢀorꢀless;ꢀ(b)ꢀtheꢀChlorineꢀ(Cl)ꢀcontentꢀisꢀ900ꢀppmꢀorꢀless;ꢀandꢀ(c)ꢀtheꢀꢀ
ꢀꢀꢀꢀtotalꢀBromineꢀ(Br)ꢀandꢀChlorineꢀ(Cl)ꢀcontentꢀisꢀ1500ꢀppmꢀorꢀless.
1.6
(.0638
1.6
(.0638
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.
Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀapplications.ꢀ
Theꢀproductsꢀdescribedꢀhereinꢀandꢀthisꢀdocumentꢀareꢀsubjectꢀtoꢀspecificꢀlegalꢀdisclaimersꢀasꢀsetꢀforthꢀonꢀtheꢀlastꢀpageꢀofꢀ
thisꢀdocument,ꢀandꢀatꢀwww.bourns.com/docs/legal/disclaimer.pdf.