Features
Applications
nꢀ Digitalꢀvideoꢀꢀ
cameras
nꢀ HDDsꢀ
nꢀ Semi-shieldedꢀconstruction
nꢀꢀInductanceꢀrange:ꢀ0.47ꢀtoꢀ22ꢀµH
nꢀꢀRatedꢀcurrentꢀupꢀtoꢀ3.2ꢀA
nꢀ AEC-Q200ꢀqualified
nꢀ Automotiveꢀꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
systems:ꢀ
-ꢀꢀDriverꢀassistantꢀ
-ꢀꢀInfotainmentꢀ
-ꢀꢀLighting
nꢀ Smartphonesꢀ
nꢀ Televisions,ꢀLCDꢀꢀ
nꢀ RoHSꢀcompliant*ꢀandꢀhalogenꢀfree**
nꢀ DC/DCꢀconverters
nꢀ Powerꢀsuppliesꢀ
ꢀ
displays
SRN4012TAꢀSeriesꢀ-ꢀSemi-shieldedꢀPowerꢀInductors
ꢀꢀ
ꢀ
Electrical Specifications @ 25 °C
General Specifications
Operating Temperature
................................. -40 °C to +125 °C
(Temperature rise included)
Storage Temperature .. -40 °C to +125 °C
Temperature Rise.....40 °C at rated Irms
Rated Current
............ Inductance drops 30 % at Isat
Failure In Time (FIT)........24.7/109 hours
Mean Time Between Failures (MTBF)
..................................40.4 x 106 hours
Inductance
Q
SRF
DCR
(W)
@ 100 kHz / 1 V
(Min.)
(MHz)
Irms
(A)
Isat
(A)
Bourns Part No.
L (mH) Tol. % @ 100 kHz Typ.
±20 %
SRN4012TA-R47M
SRN4012TA-1R0M
SRN4012TA-1R5M
SRN4012TA-2R2M
SRN4012TA-3R3M
SRN4012TA-4R7M
SRN4012TA-5R6M
SRN4012TA-6R8M
SRN4012TA-100M
SRN4012TA-150M
SRN4012TA-220M
0.47
1.0
1.5
2.2
3.3
4.7
5.6
6.8
10
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
6
6
140
100
90
70
60
45
40
35
30
24
18
0.025
0.042
0.05
0.06
0.07
0.095
0.12
0.125
0.18
0.26
0.4
3.2
2.2
2
4
2.8
2.2
1.65
1.4
1.2
1.1
0.9
0.8
0.65
0.5
6
6
1.9
1.7
1.5
1.4
1.3
1.1
0.75
0.62
6
6
Materials
6
Core..............................................Ferrite
Wire ............................Enameled copper
Terminal Finish ...................................Sn
Coating.................Magnetic epoxy resin
Packaging..... 4500 pcs. per 13-inch reel
6
10
10
10
15
22
Product Dimensions
Soldering Profile
4.0 0.2
(.157 .00ꢀ)
Preheating
Soldering
Natural Cooling
T
(260 °C, 10 Sec. Max.)
P
4.0 0.2
(.157 .00ꢀ)
t
(245 °C, 20~40 Sec.)
p
217 °C
200 °C
150°C
60~150 Sec.
60~180
Sec.
480 Sec. Max.
REF.
1.2
REF.
1.2
25
(.047)
(.047)
Time (Seconds)
1.6
(.063)
REF.
1.2
(.047)
MAX.
Electrical Schematic
How to Order
SRN4012TA - 100M
Model
Value Code (see table)
Recommended Layout
4.2
REF.
(.165)
4.2
(.165)
REF.
*RoHSꢀDirectiveꢀ2002/95/ECꢀJan.ꢀ27,ꢀ2003ꢀincludingꢀannexꢀandꢀRoHSꢀRecastꢀ2011/65/EUꢀJuneꢀ8,ꢀ2011.ꢀ
**Bournsꢀconsidersꢀaꢀproductꢀtoꢀbeꢀ“halogenꢀfree”ꢀifꢀ(a)ꢀtheꢀBromineꢀ(Br)ꢀcontentꢀisꢀ900ꢀppmꢀorꢀless;ꢀ(b)ꢀtheꢀChlorineꢀꢀ
ꢀꢀꢀꢀ(Cl)ꢀcontentꢀisꢀ900ꢀppmꢀorꢀless;ꢀandꢀ(c)ꢀtheꢀtotalꢀBromineꢀ(Br)ꢀandꢀChlorineꢀ(Cl)ꢀcontentꢀisꢀ1500ꢀppmꢀorꢀless.
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.
Theꢀdeviceꢀcharacteristicsꢀandꢀparametersꢀinꢀthisꢀdataꢀsheetꢀcanꢀandꢀdoꢀvaryꢀinꢀdifferentꢀapplicationsꢀandꢀactualꢀdeviceꢀ
performanceꢀmayꢀvaryꢀoverꢀtime.
Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀapplications.
ꢀ
MM
(INCHES)
1.2
(.047)
DIMENSIONS:
REF.
ꢀ