PL
IA
N
T
Features
n
Available in E12 series
n
Height of 10 mm
n
Current rating up to 11 A
n
RoHS compliant*
Applications
n
Input/output of DC/DC converters
n
Power supplies for:
*R
oH
S
C
OM
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
LE
AD
F
RE
E
Electrical Characteristics
Q
Ref.
Test
Frequency
(MHz)
Ro VE LEA
HS RS D
C ION FRE
OM S E
PL AR
IA E
NT
*
Inductance
1 kHz / 0.25 V
0
10
SRR1210 Series - Shielded SMD Power Inductors
General Specifications
SRF
MHz
Typ.
DCR
max.
(mΩ)
I rms
(A)
I sat
(A)
**K-
Factor
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
SRR1210-102M
1.0
1.8
2.2
3.3
4.7
5.6
6.8
8.2
10
12
15
18
22
27
33
39
47
56
68
100
120
150
180
220
270
330
390
470
560
680
820
1000
82
uH
Tol. %
±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
12
12
11
16
14
16
13
16
16
16
16
16
12
15
16
13
12
14
15
16
14
16
12
12
11
6
22
8
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
2.52
2.52
2.52
85
56
54
44
35
28
20
16
12
18
6.0
7.5
9.0
10
12
14
15
17
18
22
32
35
38
40
52
66
72
90
11.0
10.2
9.5
9.0
8.5
8.0
7.9
7.3
6.5
6.3
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
3.1
2.9
2.7
2.5
2.2
1.9
1.8
1.6
4.9
REF.
1.3
(.193)
86
67
55
46
40
35
32
29
26
24
21
19
17
15
14
12
11
10
9
8
7
6
5
5
4
4
4
3
3
3
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
Materials
Core ................................ Ferrite DR & RI
Wire ........................... Enameled copper
Terminal coating ...................... Matte Sn
Packaging.................... 250 pcs. per reel
Product Dimensions
12.0 ± 0.5
(.472 ± .020)
10.5
8.0
8.0
6.5
6.5
INDUCTANCE
4.5
CODE
5.8
12.0 ± 0.5
(.472
5.5
± .020)
5.2
5.0
4.4
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
0.85
0.75
1.0
4.5
4.0
3.8
3.5
3.0
2.6
2.2
1.8
1.8
1.8
1.8
1.3
1R0
4.2
12.0 ± 0.5
3.5
(.472 ± .020)
13
102
112
135
170
190
250
315
410
450
600
820
1200
1320
1650
900
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.
7
(.394)
1R0
INDUCTANCE
CODE
12.0 ± 0.5
(.472 ± .020)
1.5
1.2
1.1
1.0
10.0
MAX.
(.394)
0.85
0.85
0.85
0.85
0.85
7.9
0.95
(.311) REF.
3
0.85
0.75
0.70
4.9
REF.
(.193)
**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.
Schematic
Recommended Layout
REF.
5.3
(.209)
REF.
2.8
(.110)
7.9
REF.
(.311)
*RoHS Directive 2002/95/EC Jan. 27, 2003 including
annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
The device characteristics and parameters in this data
sheet can and do vary in different applications and
actual device performance may vary over time.
Users should verify actual device performance in their
specific applications.
7.3
REF.
(.287)
MM
DIMENSIONS:
(INCHES)
5.3
REF.
(.209)
REF.
2.8
(.110)
2.8
(.110)
REF.
7.3
REF.
(.287)
SRR1210 Series - Shielded SMD Power Inductors
Core Loss vs. Flux Density
10000
1000
Core Loss (mW)
100
10
1
0.1
0.01
10
1 MHz
800 KHz
500 KHz
400 KHz
300 KHz
200 KHz
100 KHz
100
1000
Flux Density Bp-p (gauss)
Packaging Specifications
330
DIA.
(12.99)
2.0 ± 0.5
(.079 ± .020)
30.4
(1.197)
13.0
(.512)
DIA.
50.0 -0
(1.969 -0)
13.0
DIA.
(.512)
26 +0
(1.024 +0)
20.0
(.787)
4.0
(.157)
EMBOSSED
CARRIER
21.0 ± 0.8
(.827 ± .031)
THICKNESS
0.10
(.004)
MAX.
EMBOSSED
CAVITY
END
START
24.0
(.945)
1R0
1R0
1R0
1R0
NO COMPONENT
200
(7.87)
COMPONENTS
NO COMPONENT
400
(15.75)
USER DIRECTION OF FEED
QTY: 250 PCS. PER REEL
MM
DIMENSIONS:
(INCHES)
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
REV. 08/17
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