Features
Applications
■ Available in E12 series
■ Low profile - 4.7 mm unit height
■ High current
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
■ Lead free
■ RoHS compliant*
SRR0805 Series - Shielded Power Inductor
Electrical Specifications
General Specifications
Test Voltage........................................1 V
Reflow soldering.....250 °C; 10 sec max.
(In compliance with JEDEC,
J-STD-020C, Table 4-2)
Operating Temperature .-40 °C to +125 °C
(Temperature rise included)
Storage Temperature..-40 °C to +125 °C
Resistance to Soldering Heat
............................250 °C, 10 sec. max.
Inductance 1kHz
Test
Frequency
(MHz)
SRF
Min.
(MHz)
I rms
Max.
(A)
I sat
Typ.
(A)
Q
Ref.
RDC
Bourns Part No.
(Ω)
(µH)
2.2
3.9
5.6
8.2
10
Tol. %
20
20
20
20
20
20
20
15
15
15
15
15
15
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
SRR0805-2R2M
SRR0805-3R9M
SRR0805-5R6M
SRR0805-8R2M
SRR0805-100M
SRR0805-120M
SRR0805-150M
SRR0805-180Y
SRR0805-220Y
SRR0805-270Y
SRR0805-330Y
SRR0805-390Y
SRR0805-470Y
SRR0805-560K
SRR0805-680K
SRR0805-820K
SRR0805-101K
SRR0805-121K
SRR0805-151K
SRR0805-181K
SRR0805-221K
SRR0805-271K
SRR0805-331K
SRR0805-391K
SRR0805-471K
SRR0805-561K
SRR0805-681K
SRR0805-821K
SRR0805-102K
18
20
20
19
40
40
40
40
38
35
40
35
32
30
28
28
45
42
39
41
38
37
36
35
34
32
32
35
35
7.96M
7.96M
7.96M
7.96M
2.52M
2.52M
2.52M
2.52M
2.52M
2.52M
2.52M
2.52M
2.52M
2.52M
2.52M
2.52M
0.796M
0.796M
0.796M
0.796M
0.796M
0.796M
0.796M
0.796M
0.796M
0.796M
0.796M
0.796M
0.252M
75.0
50.0
40.0
32.0
28.0
24.0
22.0
19.0
19.0
15.5
13.5
12.0
10.5
9.5
9.0
8.5
7.5
7.0
6.5
4.8
4.5
4.2
0.040
0.055
0.065
0.080
0.100
0.120
0.140
0.160
0.180
0.200
0.240
0.260
0.280
0.380
0.440
0.550
0.600
0.750
0.90
1.05
1.18
1.40
1.80
2.10
2.25
3.00
3.40
2.50
2.10
1.95
1.75
1.50
1.40
1.30
1.20
1.10
1.00
0.92
0.84
0.75
0.68
0.60
0.54
0.50
0.45
0.40
0.35
0.30
0.27
0.24
0.22
0.20
0.18
0.17
0.16
0.15
4.90
3.70
3.20
2.50
2.20
2.10
1.80
1.70
1.50
1.40
1.20
1.10
1.00
0.95
0.90
0.74
0.70
0.66
0.64
0.62
0.55
0.45
0.38
0.36
0.35
0.34
0.32
0.29
0.24
12
15
18
22
27
33
39
47
Materials
Core...................................Ferrite DR&RI
Wire.............................Enameled copper
Base ......................................LCP E4008
Terminal.....................................Cu/Ni/Sn
Rated Current
....................Ind. drop 10 % typ. at Isat
Temperature Rise
56
68
82
......................40 °C max. at rated Irms
Packaging...................1000 pcs. per reel
100
120
150
180
220
270
330
390
470
560
680
820
1000
Product Dimensions
8.0 ± 0.2
(.315 ± .008)
3.8
3.6
3.5
3.0
2.8
2.5
2.2
4.7
(.185)
10.5 ± 0.1
(.413 ± .004)
MAX.
4.00
5.00
Soldering Profile
6.0
(.236)
TYP.
300
<1> Max. of 10 seconds at 250 °C
<2> Max. of 30 seconds > 220 °C
2.1
(.082)
TYP.
250 °C
250
200
150
100
50
<1>
<2>
2.0
(.079)
TYP.
MM
(INCHES)
120 - 150 seconds
DIMENSIONS:
Ramp-down
5 °C/second maximum
Recommended Layout
Ramp-up
4 °/second maximum
2.2
(.086)
5.7
(.224)
0
0
50
100
150
200
250
300
Time (seconds)
2.5
(.099)
*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.