*RoHS Directive 2002/95/EC Jan 27 2003 including Annex
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
SRR7045 Series - Shielded SMD Power Inductors
Features
■
Available in E6 values
■
Current rating to 2.0 amps
■
Lead free
■
RoHS compliant*
Applications
■
Input/output of DC/DC converters
■
Power supplies for:
•
Portable communication equipment
•
Camcorders
•
LCD TVs
•
Car radios
470
Inductance 100 kHz
Q
Test
SRF
RDC
I rms
I sat
Bourns Part No.
(µH)
Tol. %
Typ.
Frequency
Min.
Max.
Max.
Typ.
(MHz)
(MHz)
(Ω)
(A)
(A)
SRR7045-100M
10
± 20
30
2.52
25
0.042
2.00
1.70
SRR7045-150M
15
± 20
31
2.52
24
0.062
1.60
1.35
SRR7045-220M
22
± 20
26
2.52
18
0.082
1.35
1.10
SRR7045-330M
33
± 20
25
2.52
12
0.115
1.15
0.90
SRR7045-470M
47
± 20
29
2.52
11
0.150
0.95
0.78
SRR7045-680M
68
± 20
22
2.52
10
0.210
0.77
0.60
SRR7045-820M
82
± 20
22
2.52
9
0.280
0.70
0.60
SRR7045-101M
100
± 20
40
0.796
8
0.300
0.65
0.50
SRR7045-151M
150
± 20
51
0.796
7
0.480
0.53
0.41
SRR7045-181M
180
± 20
40
0.796
6
0.660
0.48
0.38
SRR7045-221M
220
± 20
44
0.796
5
0.700
0.45
0.36
SRR7045-331M
330
± 20
65
0.796
4
0.730
0.40
0.25
SRR7045-471M
470
± 20
80
0.796
3
1.100
0.32
0.22
SRR7045-681M
680
± 20
65
0.796
3
1.600
0.27
0.20
SRR7045-102M
1000
± 20
90
0.252
3
2.400
0.25
0.15
Electrical Specifications
Product Dimensions
Recommended Layout
220
2.0
(.079)
TYP.
4.50 ± 0.3
(.177 ± .012)
7.0 ± 0.3
(.276 ± .012)
7.0 ± 0.3
(.276 ± .012)
1.5
(.059)
TYP.
4.0
(.157)
TYP.
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 and RI
Wire .............Enameled copper wire 130
Terminal.....................................Cu/Ni/Sn
Rated Current
....................Ind. drop 10 % typ. at Isat
(-100M through -221M)
....................Ind. drop 25 % typ. at Isat
(-331M through -102M)
Temperature Rise ..................30 °C max.
at rated Irms
Packaging ..................1000 pcs. per reel
Electrical Schematic
DIMENSIONS:
MM
(INCHES)
2.4
(.094)
REF.
7.80
(.307)
1.8
(.071)
REF.
1.8
(.071)
REF.
4.2
(.165)
REF.
REF.
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