M
PL
IA
NT
Features
■
Available in E6 values
■
Current rating to 3.50 amps
Applications
■
Input/output of DC/DC converters
■
Power supplies for:
*R
oH
S
CO
0
47
■
RoHS compliant*
•
•
•
•
Portable communication equipment
Camcorders
LCD TVs
Car radios
SRR7045 Series - Shielded SMD Power Inductors
Electrical Specifications
Inductance 1 KHz
Bourns Part No.
uH
Tol. %
Q
Typ.
Test
Frequency
(MHz)
SRF
Typ.
(MHz)
RDC
Max.
(Ω)
I rms
Max.
(A)
I sat
Typ.
(A)
General Specifications
Test Voltage ....................................0.5 V
Reflow Soldering .. 230 °C, 50 sec. max.
Operating Temperature
................................-40 °C to +125 °C
(Temperature rise included)
Storage Temperature
................................-40 °C to +125 °C
Resistance to Soldering Heat
............................... 260 °C for 10 sec.
Materials
Core ............................... Ferrite DR & RI
Wire ............. Enameled copper wire 130
Terminal ....................................Cu/Ni/Sn
Rated Current
...............Ind. drop of 10 % typ. at Isat
(-1R0M through -221M)
...............Ind. drop of 25 % typ. at Isat
(-271M through -102M)
Temperature Rise
.....................30 °C max. at rated Irms
Packaging .................. 1000 pcs. per reel
SRR7045-1R0M
SRR7045-2R2M
SRR7045-2R7M
SRR7045-3R3M
SRR7045-3R9M
SRR7045-4R7M
SRR7045-5R6M
SRR7045-6R3M
SRR7045-6R8M
SRR7045-100M
SRR7045-120M
SRR7045-150M
SRR7045-180M
SRR7045-220M
SRR7045-270M
SRR7045-330M
SRR7045-390M
SRR7045-470M
SRR7045-560M
SRR7045-680M
SRR7045-820M
SRR7045-101M
SRR7045-121M
SRR7045-151M
SRR7045-181M
SRR7045-221M
SRR7045-271M
SRR7045-331M
SRR7045-391M
SRR7045-471M
SRR7045-561M
SRR7045-681M
SRR7045-821M
SRR7045-102M
1.0
2.2
2.7
3.3
3.9
4.7
5.6
6.3
6.8
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
390
470
560
680
820
1000
±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
±20
±20
±20
±20
±20
±20
±20
±20
±20
10
10
10
10
10
10
10
10
10
30
27
31
29
26
25
25
26
29
21
22
22
40
30
51
52
44
30
65
27
80
27
65
26
90
7.96
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
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.252
60
60
60
43
40
35
33
30
28
25
23
24
21
21
18
12
13
11
11
10
9
8
7
7
5
5
5
4
5
3
4
3
3
3
0.020
0.022
0.027
0.027
0.028
0.030
0.036
0.038
0.036
0.042
0.050
0.062
0.070
0.070
0.110
0.115
0.130
0.150
0.200
0.210
0.280
0.300
0.420
0.480
0.660
0.700
0.840
0.730
1.200
1.100
1.600
1.600
2.200
2.400
3.50
2.80
2.78
2.50
2.71
2.64
2.38
2.33
2.20
2.00
1.85
1.60
1.50
1.50
1.25
1.15
1.10
0.95
0.85
0.77
0.70
0.65
0.60
0.53
0.475
0.45
0.40
0.40
0.35
0.32
0.30
0.27
0.25
0.25
3.20
2.50
3.10
2.20
2.43
2.20
2.00
1.85
2.00
1.70
1.40
1.35
1.15
1.15
1.00
0.90
0.80
0.78
0.65
0.60
0.60
0.50
0.45
0.41
0.375
0.36
0.275
0.25
0.225
0.22
0.20
0.20
0.175
0.15
Product Dimensions
7.0
±
0.3
(.276
±
.012)
220
7.0
±
0.3
(.276
±
.012)
4.50
±
0.3
(.177
±
.012)
Schematic
Recommended Layout
2.4
REF.
(.094)
1.8
REF.
(.071)
TYP.
2.0
(.079)
1.5
(.059)
TYP.
4.0
TYP.
(.157)
4.2
(.165)
REF.
7.80
(.307)
REF.
1.8
REF.
(.071)
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.
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.
SRR7045 Series - Shielded SMD Power Inductors
Packaging Specifications
330
DIA.
(13.00)
2.0
±
0.5
(.079
±
.020)
22.4
(.882)
13.0
±
0.5
(.512
±
.020)
DIA.
50.0
(1.969)
21.0
±
0.8
(.827
±
.031)
THICKNESS
0.10
(.004)
MAX.
EMBOSSED
CAVITY
13.0
±
0.5
DIA.
(.512
±
.020)
18
(.709)
EMBOSSED
CARRIER
END
12.0
(.472)
4
(.157)
START
16
(.630)
220
220
2
5.3
(.209)
NO COMPONENT
COMPONENTS
NO COMPONENT
160
(6.299)
390
(15.354)
USER DIRECTION OF FEED
QTY: 1000 PCS. PER REEL
DIMENSIONS:
MM
(INCHES)
REV. 02/13
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.
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