Features
Applications
nꢀ AvailableꢀinꢀE12ꢀseries
nꢀ Heightꢀofꢀ10ꢀmm
nꢀꢀCurrentꢀratingꢀupꢀtoꢀ11ꢀA
nꢀ RoHSꢀcompliant*
nꢀ Input/outputꢀofꢀDC/DCꢀconverters
nꢀ Powerꢀsuppliesꢀfor:
1
0
0
ꢀ
ꢀ
ꢀ
ꢀ
•ꢀꢀPortableꢀcommunicationꢀequipment
•ꢀꢀCamcorders
•ꢀꢀLCDꢀTVs
•ꢀꢀCarꢀradios
ꢀ SRR1210ꢀSeriesꢀ-ꢀShieldedꢀSMDꢀPowerꢀInductors
Electrical Characteristics
General Specifications
Inductance
1 kHz / 0.25 V
Operating Temperature
...............................-40 °C to +125 °C
(Temperature rise included)
Storage Temperature
...............................-40 °C to +125 °C
Resistance to Soldering Heat
.................................260 °C for 5 sec.
Rated Current
..............Ind. drop of 20 % typ. at Isat
Temperature Rise .. 40 °C typical at Irms
Moisture Sensitivity Level.....................1
ESD Classification (HBM).................N/A
Test
Frequency
(MHz)
SRF
MHz
Typ.
DCR
max.
(mΩ)
Q
I rms
(A)
I sat
(A)
**K-
Bourns Part No.
SRR1210-1R0Y
SRR1210-1R8Y
SRR1210-2R2Y
SRR1210-3R3Y
SRR1210-4R7Y
SRR1210-5R6Y
SRR1210-6R8Y
SRR1210-8R2Y
SRR1210-100M
SRR1210-120M
SRR1210-150M
SRR1210-180M
SRR1210-220M
SRR1210-270M
SRR1210-330M
SRR1210-390M
SRR1210-470M
SRR1210-560M
SRR1210-680M
SRR1210-820M
SRR1210-101M
SRR1210-121M
SRR1210-151M
SRR1210-181M
SRR1210-221M
SRR1210-271M
SRR1210-331M
SRR1210-391M
SRR1210-471M
SRR1210-561M
SRR1210-681M
SRR1210-821M
uH
1.0
1.8
2.2
3.3
4.7
5.6
6.8
8.2
10
Tol. % Ref.
Factor
±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
±20
10
10
10
15
8
7.96
7.96
85
56
6.0
7.5
9.0
10
11.0
10.2
9.5
9.0
8.5
8.0
7.9
7.3
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
16.5
13.2
12.2
10.5
9.6
8.5
8.3
7.5
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
0.70
86
67
55
46
40
35
32
29
26
24
21
19
17
15
14
13
12
11
10
9
7.96
54
7.96
44
7.96
35
12
12
12
11
16
14
16
13
16
16
16
16
16
8
7.96
28
14
7.96
20
15
7.96
16
17
2.52
12
18
Materials
12
2.52
18
22
Core................................Ferrite DR & RI
Wire ........................... Enameled copper
Terminal coating ...................... Matte Sn
Packaging....................250 pcs. per reel
15
2.52
10.5
8.0
8.0
6.5
6.5
4.5
4.5
4.0
3.8
3.5
3.0
2.6
2.2
1.8
1.8
1.8
1.8
1.3
0.85
0.85
0.85
0.85
0.85
32
18
2.52
35
22
2.52
38
27
2.52
40
33
2.52
52
Product Dimensions
39
2.52
66
12.0 0.ꢀ
(.472 .020ꢁ
47
2.52
72
56
2.52
90
68
12
15
16
13
12
14
15
16
14
16
12
12
11
6
2.52
102
112
135
170
190
250
315
410
450
600
820
900
1200
1320
1650
82
2.52
12.0 0.ꢀ
(.472 .020ꢁ
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
8
1R0
7
INDUCTANCE
CODE
7
6
5
5
4
10.0
MAX.
(.394ꢁ
4
4
3
3
4.9
REF.
(.193ꢁ
3
SRR1210-102M 1000
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.
7.9
REF.
(.311ꢁ
Schematic
Recommended Layout
REF.
2.8
(.110ꢁ
ꢀ.3
REF.
(.209ꢁ
ꢀ
MM
(INCHES)
DIMENSIONS:
7.3
(.287ꢁ
*RoHSꢀDirectiveꢀ2002/95/ECꢀJan.ꢀ27,ꢀ2003ꢀincludingꢀ
annexꢀandꢀRoHSꢀRecastꢀ2011/65/EUꢀJuneꢀ8,ꢀ2011.ꢀ
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.
Theꢀdeviceꢀcharacteristicsꢀandꢀparametersꢀinꢀthisꢀdataꢀ
sheetꢀcanꢀandꢀdoꢀvaryꢀinꢀdifferentꢀapplicationsꢀandꢀ
actualꢀdeviceꢀperformanceꢀmayꢀvaryꢀoverꢀtime.
Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀ
specificꢀapplications.
ꢀ
REF.
2.8
(.110ꢁ
REF.