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SRR4018_08 Datasheet, PDF (1/2 Pages) Bourns Electronic Solutions – Shielded SMD Power Inductors
*RoHS COMPLIANT
Features
■ Height of 2.0 mm
■ Current rating up to 2.7 A
■ RoHS compliant*
Applications
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
SRR4018 Series - Shielded SMD Power Inductors
Electrical Specifications
Bourns Part No.
SRR4018-1R0Y
SRR4018-1R8Y
SRR4018-2R2Y
SRR4018-2R7Y
SRR4018-3R3Y
SRR4018-3R9Y
SRR4018-4R7Y
SRR4018-5R6Y
SRR4018-6R8Y
SRR4018-8R2Y
SRR4018-100Y
SRR4018-120Y
SRR4018-150Y
SRR4018-180Y
SRR4018-220Y
SRR4018-270Y
SRR4018-330Y
SRR4018-390Y
SRR4018-470Y
SRR4018-560Y
SRR4018-680Y
SRR4018-820Y
SRR4018-101Y
SRR4018-121Y
SRR4018-151Y
SRR4018-181Y
Inductance 100 kHz
(µH)
Tol. %
1.0
±30
1.8
±30
2.2
±30
2.7
±30
3.3
±30
3.9
±30
4.7
±30
5.6
±30
6.8
±30
8.2
±30
10
±30
12
±30
15
±30
18
±30
22
±30
27
±30
33
±30
39
±30
47
±30
56
±30
68
±30
82
±30
100
±30
120
±30
150
±30
180
±30
Q
Ref.
Test
Frequency
(MHz)
SRF
Typ.
(MHz)
DCR
Max.
(mΩ)
9
7.960
219
35
9
7.960
105
58
8
7.960
90
55
8
7.960
78
60
8
7.960
61
65
8
7.960
60
75
8
7.960
55
82
7
7.960
57
90
8
7.960
49
100
7
7.960
40
135
10
2.520
38
150
9
2.520
32
170
8
2.520
30
220
7
2.520
30
280
7
2.520
29
300
7
2.520
23
370
7
2.520
21
420
8
2.520
19
540
8
2.520
20
600
8
2.520
15
820
7
2.520
13
860
8
2.520
13 1200
10
0.796
12 1350
11
0.796
10 1950
14
0.796
10 2600
10
0.796
10 4000
Irms Isat
(A) (A)
2.70 2.60
2.35 2.20
2.10 2.10
2.03 1.95
1.95 1.80
1.82 1.65
1.72 1.50
1.64 1.25
1.50 1.15
1.40 1.10
1.30 1.00
1.15 0.90
1.03 0.82
0.92 0.75
0.88 0.65
0.77 0.60
0.73 0.50
0.64 0.48
0.62 0.45
0.52 0.40
0.50 0.38
0.43 0.32
0.40 0.30
0.33 0.28
0.28 0.26
0.18 0.25
General Specifications
Test Voltage .....................0.1 V, 100 KHz
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 Material.................................Ferrite
Wire ............................Enameled Copper
Adhesive..............................Epoxy Resin
Terminal .....................................Ag/Ni/Sn
Rated Current .........Ind. drop of 35 % typ.
at Isat
Temperature Rise .............30 ˚C typ. at Irms
Packaging.....................800 pcs. per reel
Product Dimensions
4.80 ± 0.20
(.189 ± .008)
6R8
4.80 ± 0.20
(.189 ± .008)
1.80 ± 0.20
(.071 ± .008)
1.60
(.063)
TYP.
Inductance vs. Current
102
7
5
3
2
101
7
5
3
2
100
7
5
101
101
330
100
4R7
1R0
23
5 7 102
23
5 7 103
DC Current (mA)
23
5 7 104
Recommended Layout
5.30
(.209)
REF.
R 1.80
(.071)
REF.
DIMENSIONS:
MM
(INCHES)
TYP.
1.60
(.063)
1.60
(.063)
TYP.
2.00
(.079)
REF.
REF.
1.50
(.059)
2.00
(.079)
REF.
*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.