Features
nꢀ Semi-shieldedꢀconstruction
nꢀꢀInductanceꢀrange:ꢀ0.5ꢀtoꢀ330ꢀµH
nꢀꢀRatedꢀcurrentꢀupꢀtoꢀ12ꢀA
nꢀ AEC-Q200ꢀcompliant
nꢀ RoHSꢀcompliant*ꢀandꢀhalogenꢀfree**
SRN8040TA Series - Semi-shielded Power Inductors
Electrical Specifications @ 25 °C
General Specifications
Operating Temp. .......... -55 °C to +125 °C
Inductance
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
15
22
33
47
56
68
82
± 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
100
135
160
205
230
300
350
410
490
610
850
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.
(.146 .ꢀ12ꢂ
8.5
How to Order
(.ꢁꢁ5ꢂ
SRN8040TA - 100M
5.5 ꢀ.ꢁ
(.217 .ꢀ12ꢂ
Model
Value Code (see table)
6.6
(.26ꢀꢂ
ꢀ
MM
(INCHES)
DIMENSIONS:
2.4 ꢀ.ꢁ
6.ꢁ ꢀ.ꢁ
ꢀ
(.ꢀ94 .ꢀ12ꢂ
(.248 .ꢀ12ꢂ
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov
*RoHSꢀDirectiveꢀ2015/863,ꢀMarꢀ31,ꢀ2015ꢀandꢀAnnex.
**Bournsꢀconsidersꢀaꢀproductꢀtoꢀbeꢀ“halogenꢀfree”ꢀifꢀ(a)ꢀtheꢀBromineꢀ(Br)ꢀcontentꢀisꢀ900ꢀppmꢀorꢀless;ꢀ(b)ꢀtheꢀChlorineꢀꢀ
ꢀꢀꢀꢀ(Cl)ꢀcontentꢀisꢀ900ꢀppmꢀorꢀless;ꢀandꢀ(c)ꢀtheꢀtotalꢀBromineꢀ(Br)ꢀandꢀChlorineꢀ(Cl)ꢀcontentꢀisꢀ1500ꢀppmꢀorꢀless.
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.
ꢀ
MM
(INCHES)
DIMENSIONS:
ꢀ
Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀapplications.ꢀ
Theꢀproductsꢀdescribedꢀhereinꢀandꢀthisꢀdocumentꢀareꢀsubjectꢀtoꢀspecificꢀlegalꢀdisclaimersꢀasꢀsetꢀforthꢀonꢀtheꢀlastꢀpageꢀofꢀ
thisꢀdocument,ꢀandꢀatꢀwww.bourns.com/docs/legal/disclaimer.pdf.