Features
Applications
nꢀ Shieldedꢀconstruction
nꢀ Automotiveꢀsystems:ꢀ
ꢀ
-ꢀꢀDriverꢀassistantꢀꢀꢀꢀꢀꢀ-ꢀꢀEntertainmentꢀ
-ꢀꢀInformationꢀ ꢀꢀꢀꢀꢀ-ꢀꢀLighting
nꢀꢀInductanceꢀrange:ꢀ1.0ꢀtoꢀ1000ꢀμH
nꢀꢀHeatingꢀcurrentꢀupꢀtoꢀ11ꢀA
nꢀꢀDimensions:ꢀ12ꢀxꢀ12ꢀxꢀ10ꢀmm
nꢀ AEC-Q200ꢀqualified
1
ꢀ
0
0
nꢀ DC/DCꢀconverters
nꢀ Powerꢀsupplies
nꢀ RoHSꢀcompliant*ꢀandꢀhalogenꢀfree**
ꢀ ꢀꢀ
SRR1210AꢀSeriesꢀ-ꢀShieldedꢀPowerꢀInductors
Electrical Specifications @ 25 °C
General Specifications
Operating Temperature
Inductance
@ 1 kHz /
................................. -40 °C to +125 °C
SRF
Freq. (MHz)
(MHz)
Typ.
Q Test
DCR
(W)
I rms
(A)
Bourns
Q
I sat ***K-
(Temperature rise included)
Storage Temperature
................................. -40 °C to +125 °C
Resistance to Solder Heat
................................+245°C for 10 sec.
Temperature Rise
.........................40 °C typ. at rated Irms
Inductance drop.....................20 % at Isat
0.25 V
Part Number
Ref.
(A) Factor
Max.
L
Tol.
(%)
(µH)
1.0
1.8
2.2
3.3
4.7
5.6
6.8
8.2
10
SRR1210A-1R0Y
SRR1210A-1R8Y
SRR1210A-2R2Y
SRR1210A-3R3Y
SRR1210A-4R7Y
SRR1210A-5R6Y
SRR1210A-6R8Y
SRR1210A-8R2Y
SRR1210A-100M
SRR1210A-120M
SRR1210A-150M
SRR1210A-180M
SRR1210A-220M
SRR1210A-270M
SRR1210A-330M
SRR1210A-390M
SRR1210A-470M
SRR1210A-560M
SRR1210A-680M
SRR1210A-820M
SRR1210A-101M
SRR1210A-121M
SRR1210A-151M
SRR1210A-181M
SRR1210A-221M
SRR1210A-271M
SRR1210A-331M
SRR1210A-391M
SRR1210A-471M
SRR1210A-561M
SRR1210A-681M
SRR1210A-821M
± 30
± 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
± 20
± 20
± 20
± 20
± 20
± 20
10
10
10
15
8
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
2.52
2.52
2.52
85
56
54
44
35
28
20
16
12
0.006 11.0
0.075 10.2
0.09
0.01
16.5
13.2
12.2
10.5
9.6
8.5
8.3
7.55
6.5
6.1
5.3
5.1
4.5
4.2
3.7
3.5
3.1
2.9
2.7
2.5
2.2
1.9
1.8
1.6
1.5
1.3
1.2
1.1
1.0
0.95
0.85
0.75
0.7
86
67
55
46
40
35
32
29
26
24
21
19
17
15
14
13
12
11
10
9
8
7
7
6
5
5
4
4
4
3
3
3
9.5
9.0
8.5
0.012
12
12
11
16
14
16
13
16
16
16
16
16
8
12
15
16
13
12
14
15
16
14
16
12
12
11
6
0.0135 8.0
0.015 7.85
0.017 7.25
0.018
0.022
0.032
0.035
0.038
0.04
0.052
0.066
0.072
0.09
0.102
0.112
0.135
0.17
0.19
0.25
0.315
0.41
0.45
0.6
0.82
0.9
1.2
Materials
Core............................................... Ferrite
Wire ..............................Enameled copper
Terminal Finish .................................... Sn
Packaging......................250 pcs. per reel
6.5
6.3
5.8
5.5
5.2
5.0
4.4
4.2
3.8
3.4
3.0
2.8
2.5
2.3
2.2
1.9
1.7
1.5
1.4
1.3
1.2
1.1
1.0
0.85
0.75
12
15
18
22
27
33
39
47
18
10.5
8
Product Dimensions
12.0 0.ꢀ
(.472 .020ꢁ
8
6.5
6.5
4.5
4.5
4
3.8
3.5
3
2.6
2.2
1.8
1.8
1.8
1.8
1.3
0.85
0.85
0.85
0.85
0.85
12.0 0.ꢀ
(.472 .020ꢁ
1R0
56
68
82
2.52
2.52
2.52
INDUCTANCE
CODE
100
120
150
180
220
270
330
390
470
560
680
820
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
10.0
MAX.
(.394ꢁ
4.9
(.193ꢁ
REF.
7.9
(.311ꢁ
REF.
1.32
1.65
SRR1210A-102M 1000 ± 20
22
3
***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.
Recommended Layout
How to Order
Electrical Schematic
REF.
2.8
(.110ꢁ
ꢀ.3
(.209ꢁ
REF.
SRR1210A - 100M
Model
Value Code (see table)
7.3
(.287ꢁ
REF.
*ꢀ RoHSꢀDirectiveꢀ2002/95/ECꢀJan.ꢀ27,ꢀ2003ꢀincludingꢀannexꢀandꢀRoHSꢀRecastꢀ2011/65/EUꢀJuneꢀ8,ꢀ2011.ꢀ
**ꢀ Bournsꢀfollowsꢀtheꢀprevailingꢀdefinitionꢀofꢀ“halogenꢀfree”ꢀinꢀtheꢀindustry.ꢀꢀBournsꢀconsidersꢀaꢀproductꢀtoꢀbeꢀ
ꢀ
ꢀ
ꢀ“halogenꢀfree”ꢀifꢀ(a)ꢀtheꢀBromineꢀ(Br)ꢀcontentꢀisꢀ900ꢀppmꢀorꢀless;ꢀ(b)ꢀtheꢀChlorineꢀ(Cl)ꢀcontentꢀisꢀ900ꢀppmꢀorꢀless;ꢀꢀ
andꢀ(c)ꢀtheꢀtotalꢀBromineꢀ(Br)ꢀandꢀChlorineꢀ(Cl)ꢀcontentꢀisꢀ1500ꢀppmꢀorꢀless.
2.8
(.110ꢁ
REF.
ꢀ
MM
(INCHES)
DIMENSIONS:
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.
ꢀ
Theꢀdeviceꢀcharacteristicsꢀandꢀparametersꢀinꢀthisꢀdataꢀsheetꢀcanꢀandꢀdoꢀvaryꢀinꢀdifferentꢀapplicationsꢀandꢀactualꢀꢀ
deviceꢀperformanceꢀmayꢀvaryꢀoverꢀtime.
Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀapplications.
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