Features
Applications
■ Height of 2.0 mm max.
■ Current rating up to 3 A
■ RoHS compliant*
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
SRR5018 Series - Shielded Power Inductors
Electrical Specifications
General Specifications
Test Voltage....................0.1 V, 100 KHz
Inductance 100 KHz
Test
Frequency
(MHz)
SRF
Typ.
DCR
Max.
(mΩ)
Reflow Soldering .. 230 °C, 50 sec. max.
Operating Temperature
Q
I rms
(A)
I sat
(A)
Tol.
Bourns Part No.
uH
(%)
Ref.
(MHz)
................................-40 °C to +125 °C
(Temperature rise included)
SRR5018-1R2Y
1.2
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
9.2
8.9
8.6
8.3
8
7.96
7.96
7.96
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
118
93
74
79
64
60
55
58
51
42
40
37
41
39
32
29
22
21
20
17
14
13
12
11
10
11
11
10
8
30
35
3.00
2.60
2.40
2.20
2.00
2.00
1.65
1.65
1.45
1.35
1.25
1.25
1.10
1.00
0.95
0.90
0.80
0.75
0.65
0.55
0.52
0.48
0.40
0.38
0.35
0.30
0.28
0.25
0.23
3.50
3.00
2.70
2.40
2.10
2.10
1.80
1.65
1.60
1.50
1.25
1.35
1.25
1.15
1.10
1.00
0.90
0.80
0.70
0.65
0.60
0.55
0.50
0.45
0.42
0.40
0.35
0.32
0.30
SRR5018-1R8Y
SRR5018-2R5Y
SRR5018-3R0Y
SRR5018-3R9Y
SRR5018-4R1Y
SRR5018-5R0Y
SRR5018-5R4Y
SRR5018-6R2Y
SRR5018-7R5Y
SRR5018-8R9Y
SRR5018-9R0Y
SRR5018-100Y
SRR5018-120Y
SRR5018-150Y
SRR5018-180Y
SRR5018-220Y
SRR5018-270Y
SRR5018-330Y
SRR5018-390Y
SRR5018-470Y
SRR5018-560Y
SRR5018-680Y
SRR5018-820Y
SRR5018-101Y
SRR5018-121Y
SRR5018-151Y
SRR5018-181Y
SRR5018-221Y
1.8
2.5
3.0
3.9
4.1
5.0
5.4
6.2
7.5
8.9
9.0
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
Storage Temperature
40
45
55
55
60
76
80
90
116
110
130
160
190
210
280
320
350
500
550
600
850
950
1100
1420
1650
2300
2500
................................-40 °C to +125 °C
Resistance to Soldering Heat
.................................. 260 °C, 10 sec.
8
Materials
7.9
7.4
7.5
7.9
7.3
7.2
11
8.6
12.7
8.8
14.7
10.2
10.9
10.6
8.9
8.9
9.9
9.1
13.1
12.9
11.8
13.6
8.7
Core..............................................Ferrite
Wire ............................Enameled copper
Adhesive.............................. Epoxy resin
Terminal....................................Ag/Ni/Sn
Rated Current
...............Ind. drop of 35 % typ. at Isat
Temperature Rise
.......................40 °C typ. at rated Irms
Packaging.................... 500 pcs. per reel
Product Dimensions
5.80 0.30
(.228 .012)
5.80 0.30
(.228 .012)
6R2
1.80 0.20
(.071 .008)
1.90
(.075)
TYP.
TYP.
2.00
(.079)
Soldering Profile
275
<1> Maximum of 10 seconds between
+255°C and +260°C
260°C peak
1.90
(.075)
TYP.
<1> 255°C
220°C
225
175
125
75
Ramp Down
6°C/second
maximum
190°C
60 - 90
seconds
Recommended Layout
150°C
6.30
2.20
(.087)
REF.
REF.
(.248)
120 - 150 seconds
10 seconds minimum
Ramp Up
3°C/second maximum
2.20
(.087)
REF.
R
REF.
1.90
25
0
50
100
150
200
250
300
(.075)
Rev. 02/22/05
Time (seconds)
2.20
(.087)
REF.
MM
(INCHES)
DIMENSIONS:
*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.