Features
Applications
nꢀ Digitalꢀvideoꢀꢀ
cameras
nꢀ HDDsꢀ
nꢀ Semi-shieldedꢀconstruction
nꢀꢀInductanceꢀrange:ꢀ0.5ꢀtoꢀ330ꢀµH
nꢀꢀRatedꢀcurrentꢀupꢀtoꢀ12ꢀA
nꢀ AEC-Q200ꢀcompliant
nꢀ Automotiveꢀꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
systems:ꢀ
-ꢀꢀDriverꢀassistantꢀ
-ꢀꢀInfotainmentꢀ
-ꢀꢀLighting
nꢀ Smartphonesꢀ
nꢀ Televisions,ꢀLCDꢀꢀ
nꢀ RoHSꢀcompliant*ꢀandꢀhalogenꢀfree**
nꢀ DC/DCꢀconverters
nꢀ Powerꢀsuppliesꢀ
ꢀ
displays
SRN8040TAꢀSeriesꢀ-ꢀSemi-shieldedꢀPowerꢀInductors
ꢀꢀ
ꢀ
Electrical Specifications @ 25 °C
Inductance
General Specifications
Operating Temp. .......... -55 °C to +125 °C
Q
SRF
(MHz)
Typ.
DCR
(mW)
±20 %
5.5
8.2
10
10
11
11.5
15
19.5
22
Irms
(A)
Isat
(A)
(Temperature rise included)
Storage Temperature .. -55 °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
Moisture Sensitivity Level.....................1
ESD Classification (HBM)................. N/A
@ 1 MHz / 1 V
(Min.)
Bourns Part No.
SRN8040TA-R50Y
SRN8040TA-1R0Y
SRN8040TA-1R4Y
SRN8040TA-1R5Y
SRN8040TA-2R0Y
SRN8040TA-2R2Y
SRN8040TA-3R3Y
SRN8040TA-4R7M
SRN8040TA-5R6M
SRN8040TA-6R8M
SRN8040TA-100M
SRN8040TA-150M
SRN8040TA-220M
SRN8040TA-330M
SRN8040TA-470M
SRN8040TA-560M
SRN8040TA-680M
SRN8040TA-820M
SRN8040TA-101M
SRN8040TA-121M
SRN8040TA-151M
SRN8040TA-181M
SRN8040TA-221M
SRN8040TA-331M
L (mH) Tol. % @ 1 MHz
Typ.
Typ.
0.5
1.0
1.4
1.5
2.0
2.2
3.3
4.7
5.6
6.8
10
± 30
± 30
± 30
± 30
± 30
± 30
± 30
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
20
15
15
15
15
15
15
15
15
15
15
12
12
12
12
12
12
12
10
10
10
10
10
10
165
85
78
66
61
57
48
38
33
29
25
20
18
15
12
10.5
9.5
8.5
8
12.00
8.50
8.20
8.00
7.50
7.40
6.60
5.80
5.40
5.10
4.60
3.60
2.90
2.30
2.00
1.75
1.65
1.40
1.20
1.10
0.98
0.91
0.85
0.70
17.00
13.80
11.80
11.50
10.20
9.80
8.00
6.70
6.20
5.60
5.00
4.00
3.10
2.60
2.20
1.90
1.75
1.60
1.45
1.30
1.20
1.04
0.99
0.75
Materials
25
33
50
73
Core..............................................Ferrite
Wire ............................Enameled copper
Terminal Finish ...................................Sn
Coating.................Magnetic epoxy resin
Packaging..... 1000 pcs. per 13-inch reel
15
22
33
47
100
135
160
205
230
300
350
410
490
610
850
56
68
82
Product Dimensions
100
120
150
180
220
330
8.ꢀ ꢀ.ꢁ
(.ꢁ15 .ꢀ12ꢂ
7.5
7
6.5
5.5
5
8.ꢀ ꢀ.ꢁ
(.ꢁ15 .ꢀ12ꢂ
2R2
Electrical Schematic
Recommended Layout
2.8
(.11ꢀꢂ
SRN8ꢀ4ꢀTA-R5ꢀY
4.2 ꢀ.ꢁ
(.165 .ꢀ12ꢂ
SRN8ꢀ4ꢀTA-1RꢀY~ꢁꢁ1M
ꢁ.7 ꢀ.ꢁ
MAX.
MAX.
8.5
(.ꢁꢁ5ꢂ
(.146 .ꢀ12ꢂ
How to Order
SRN8040TA - 100M
Model
5.5 ꢀ.ꢁ
(.217 .ꢀ12ꢂ
Value Code (see table)
6.6
(.26ꢀꢂ
ꢀ
MM
(INCHES)
DIMENSIONS:
ꢀ
2.4 ꢀ.ꢁ
6.ꢁ ꢀ.ꢁ
(.ꢀ94 .ꢀ12ꢂ
(.248 .ꢀ12ꢂ
*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)
DIMENSIONS:
ꢀ