T
PL
IA
N
M
CO
Applications
■ Available in E12 series
■ Input/output of DC/DC converters
■ Height of 10 mm
■ Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
■ Current rating up to 11 A
0
10
*R
oH
S
Features
■ RoHS compliant*
SRR1210 Series - Shielded SMD Power Inductors
Electrical Characteristics
Inductance
1 kHz / 0.25 V
Bourns Part No.
uH
Tol. %
Q
Ref.
Test
Frequency
(MHz)
SRR1210-1R0Y
1.0
±30
10
7.96
85
6.0
11.0
16.5
86
SRR1210-1R8Y
1.8
±30
10
7.96
56
7.5
10.2
13.2
67
SRR1210-2R2Y
2.2
±30
10
7.96
54
9.0
9.5
12.2
55
SRR1210-3R3Y
3.3
±30
15
7.96
44
10
9.0
10.5
46
SRR1210-4R7Y
4.7
±30
8
7.96
35
12
8.5
9.6
40
SRR1210-5R6Y
5.6
±30
12
7.96
28
14
8.0
8.5
35
SRR1210-6R8Y
6.8
±30
12
7.96
20
15
7.9
8.3
32
SRR1210-8R2Y
8.2
±30
11
7.96
16
17
7.3
7.5
29
SRR1210-100M
10
±20
16
2.52
12
18
6.5
6.5
26
SRR1210-120M
12
±20
14
2.52
18
22
6.3
6.1
24
SRR1210-150M
15
±20
16
2.52
10.5
32
5.8
5.3
21
SRR1210-180M
18
±20
13
2.52
8.0
35
5.5
5.1
19
SRR1210-220M
22
±20
16
2.52
8.0
38
5.2
4.5
17
SRR1210-270M
27
±20
16
2.52
6.5
40
5.0
4.2
15
SRR1210-330M
33
±20
16
2.52
6.5
52
4.4
3.7
14
SRR1210-390M
39
±20
16
2.52
4.5
66
4.2
3.5
13
SRR1210-470M
47
±20
16
2.52
4.5
72
3.8
3.1
12
SRR1210-560M
56
±20
8
2.52
4.0
90
3.4
2.9
11
SRR1210-680M
68
±20
12
2.52
3.8
102
3.0
2.7
10
SRR1210-820M
82
±20
15
2.52
3.5
112
2.8
2.5
9
SRR1210-101M
100
±20
16
0.796
3.0
135
2.5
2.2
8
SRR1210-121M
120
±20
13
0.796
2.6
170
2.3
1.9
7
SRR1210-151M
150
±20
12
0.796
2.2
190
2.2
1.8
7
SRR1210-181M
180
±20
14
0.796
1.8
250
1.9
1.6
6
SRR1210-221M
220
±20
15
0.796
1.8
315
1.7
1.5
5
SRR1210-271M
270
±20
16
0.796
1.8
410
1.5
1.3
5
SRR1210-331M
330
±20
14
0.796
1.8
450
1.4
1.2
4
SRR1210-391M
390
±20
16
0.796
1.3
600
1.3
1.1
4
SRR1210-471M
470
±20
12
0.796
0.85
820
1.2
1.0
4
SRR1210-561M
560
±20
12
0.796
0.85
900
1.1
0.95
3
SRR1210-681M
680
±20
11
0.796
0.85
1200
1.0
0.85
3
SRR1210-821M
820
±20
6
0.796
0.85
1320
0.85
0.75
3
SRR1210-102M
1000
±20
22
0.796
0.85
1650
0.75
0.70
3
SRF
MHz
Typ.
DCR
max.
(mΩ)
I rms
(A)
I sat
(A)
**KFactor
determine core loss from Core Loss vs. Flux Density plot.
Schematic
Core ................................ Ferrite DR & RI
Wire ........................... Enameled copper
Terminal coating ...................... Matte Sn
Packaging.................... 250 pcs. per reel
Product Dimensions
12.0 ± 0.5
(.472 ± .020)
1R0
12.0 ± 0.5
(.472 ± .020)
INDUCTANCE
CODE
10.0
MAX.
(.394)
4.9
REF.
(.193)
7.9
REF.
(.311)
Recommended Layout
5.3
(.209)
REF.
2.8
(.110)
7.3
REF.
(.287)
www.P65Warnings.ca.gov
Materials
Δ I (peak-to-peak ripple current, A),
REF.
WARNING Cancer and Reproductive Harm
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
................. N/A
2.8
(.110)
REF.
DIMENSIONS:
MM
(INCHES)
* 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.
Users should verify actual device performance in their
specific applications. The products described herein and
this document are subject to specific legal disclaimers as
set forth on the last page of this document, and at
www.bourns.com/docs/legal/disclaimer.pdf
SRR1210 Series - Shielded SMD Power Inductors
Core Loss vs. Flux Density
10000
Core Loss (mW)
1000
100
10
1
0.1
0.01
10
100
1 MHz
800 KHz
500 KHz
400 KHz
330
DIA.
(12.99)
300 KHz
200 KHz
100 KHz
2.0 ± 0.5
(.079 ± .020)
1000
Flux Density Bp-p (gauss)
30.4
(1.197)
THICKNESS
0.10
(.004)
MAX.
13.0
(.512)
DIA.
21.0 ± 0.8
(.827 ± .031)
EMBOSSED
CAVITY
50.0 -0
(1.969 -0)
13.0
DIA.
(.512)
EMBOSSED
CARRIER
26 +0
(1.024 +0)
20.0
(.787)
END
24.0
(.945)
1R0
NO COMPONENT
4.0
(.157)
1R0
1R0
COMPONENTS
START
1R0
NO COMPONENT
400
(15.75)
200
(7.87)
USER DIRECTION OF FEED
QTY: 250 PCS. PER REEL
DIMENSIONS:
MM
(INCHES)
REV. 03/18
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
Legal Disclaimer Notice
This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and
P[ZHɉSPH[LZJVSSLJ[P]LS`¸)V\YUZ¹
Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change
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