Features
Applications
■ Height of 3.0 mm max.
■ Current rating up to 3.0 A
■ RoHS compliant*
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
SRR5028 Series - Shielded SMD Power Inductors
General Specifications
Electrical 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.
Inductance 100 kHz
Test
Frequency
(MHz)
SRF
Typ.
(MHz)
DCR
Max.
(mΩ)
Q
Ref.
Bourns Part No.
Irms
(A)
Isat
(A)
(µH)
2.6
3.0
4.2
5.3
6.2
8.2
10
Tol. %
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
SRR5028-2R6Y
SRR5028-3R0Y
SRR5028-4R2Y
SRR5028-5R3Y
SRR5028-6R2Y
SRR5028-8R2Y
SRR5028-100Y
SRR5028-120Y
SRR5028-150Y
SRR5028-180Y
SRR5028-220Y
SRR5028-270Y
SRR5028-330Y
SRR5028-390Y
SRR5028-470Y
SRR5028-560Y
SRR5028-680Y
SRR5028-820Y
SRR5028-101Y
SRR5028-151Y
SRR5028-221Y
SRR5028-331Y
SRR5028-471Y
SRR5028-561Y
SRR5028-681Y
7
7
7
7
7
7
9
11
9
10
7
10
11
8
7
9
8
8
8
7
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
77
65
51
45
39
34
30
28
22
20
20
17
13
13
13
12
11
9
30
30
35
40
45
55
70
80
100
110
120
160
190
210
250
300
350
430
480
900
1250
2000
2500
3920
4300
3.00
2.80
2.50
2.30
2.20
2.10
1.50
1.46
1.37
1.25
1.15
1.05
0.90
0.86
0.82
0.72
0.62
0.52
0.45
0.33
0.30
0.20
0.30
0.14
0.13
2.70
2.50
2.20
1.90
1.80
1.60
1.40
1.25
1.15
1.10
1.00
0.90
0.78
0.72
0.65
0.60
0.56
0.50
0.45
0.35
0.30
0.20
0.23
0.14
0.14
Materials
Core Material.................................Ferrite
Wire ............................Enameled Copper
Adhesive..............................Epoxy Resin
Terminal.....................................Ag/Ni/Sn
Rated Current .........Ind. drop of 35 % typ.
at Isat
12
15
18
22
27
33
39
47
Temperature Rise.............30 ˚C typ. at Irms
Packaging.....................400 pcs. per reel
Product Dimensions
5.80 0.ꢀ0
(.228 .0ꢁ2ꢂ
56
68
82
5.80 0.ꢀ0
(.228 .0ꢁ2ꢂ
6R2
100
150
220
330
470
560
680
8
7.5
6.5
5
5
4
7
8
12
12
11
2.80 0.20
(.ꢁꢁ0 .008ꢂ
3
ꢁ.90
(.075ꢂ
TYP.
Soldering Profile
275
TYP.
2.00
(.079ꢂ
<1> Maximum of 10 seconds between
+255°C and +260°C
260°C peak
<1> 255°C
220°C
225
175
125
75
ꢁ.90
(.075ꢂ
TYP.
Ramp Down
6°C/second
maximum
190°C
60 - 90
seconds
150°C
Recommended Layout
6.ꢀ0
2.20
REF.
(.248ꢂ
(.087ꢂ
120 - 150 seconds
REF.
10 seconds minimum
2.20
R
Ramp Up
3°C/second maximum
(.087ꢂ
REF.
ꢁ.90
REF.
25
(.075ꢂ
0
50
100
150
200
250
300
Rev. 02/22/05
Time (seconds)
2.20
(.087ꢂ
REF.
MM
(INCHES)
DIMENSIONS:
*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.