English
Language : 

SRR1208 Datasheet, PDF (1/2 Pages) Bourns Electronic Solutions – Shielded High Power Inductors
Features
I Available in E6 series
I Unit height of 8.5mm
I Current up to 7.5A
Applications
I Input/output of DC/DC converters
I Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
SRR1208 Series - Shielded High Power Inductors
Electrical Specifications
Inductance 1kHz
Bourns Part No.
(µH) Tol. %
Q
Ref.
SRR1208-2R5M 2.5 ± 20
20
SRR1208-4R5M 4.5 ± 20
24
SRR1208-6R5M 6.5 ± 20
25
SRR1208-100M 10
± 20
20
SRR1208-120M 12
± 20
19
SRR1208-150M 15
± 20
21
SRR1208-180M 18
± 20
21
SRR1208-220M 22
± 20
23
SRR1208-270M 27
± 20
23
SRR1208-330Y
33
± 15
23
SRR1208-390Y
39
± 15
25
SRR1208-470Y
47
± 15
24
SRR1208-560Y
56
± 15
23
SRR1208-680Y
68
± 15
20
SRR1208-820Y
82
± 15
18
SRR1208-101Y 100 ± 15
15
SRR1208-121Y 120 ± 15
15
SRR1208-151Y 150 ± 15
14
SRR1208-181Y 180 ± 15
14
SRR1208-221K 220 ± 10
13
SRR1208-271K 270 ± 10
13
SRR1208-331K 330 ± 10
13
SRR1208-391K 390 ± 10
14
SRR1208-471K 470 ± 10
14
SRR1208-561K 560 ± 10
14
SRR1208-681K 680 ± 10
13
SRR1208-821K 820 ± 10
12
SRR1208-102K 1000 ± 10
11
SRR1208-122K 1200 ± 10
10
SRR1208-152K 1500 ± 10
10
Test
Frequency
(MHz)
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
0.252M
0.252M
SRF
Min.
(MHz)
40.0
35.0
32.0
28.0
27.0
26.0
24.0
21.0
20.0
19.0
18.0
17.0
16.0
15.0
14.0
13.0
13.0
13.0
12.0
12.0
12.0
11.0
11.0
10.0
10.0
9.0
9.0
8.0
8.0
7.0
RDC
(mΩ)
11
14
18
21
25
36
40
43
48
62
76
85
110
135
150
170
190
240
270
380
400
650
670
850
900
1000
1150
1650
2000
2350
I rms
Max.
(A)
7.50
6.50
6.00
5.00
4.80
4.00
3.80
3.50
3.00
2.80
2.50
2.20
2.00
1.80
1.60
1.50
1.40
1.30
1.20
1.10
0.95
0.85
0.80
0.70
0.65
0.60
0.55
0.50
0.40
0.36
I sat
Typ.
(A)
10.00
10.00
8.40
6.70
6.50
5.60
4.00
4.00
4.30
3.80
3.40
3.10
2.80
2.60
2.30
2.10
2.00
1.72
1.70
1.45
1.25
1.12
1.10
0.95
0.90
0.82
0.77
0.67
0.57
0.55
Electrical Schematic
General Specifications
Test Voltage .........................................1V
Reflow Soldering.....230°C, 10 sec. max.
Operating Temperature ...-40°C to +105°C
Storage Temperature ....-40°C to +125°C
Resistance to Soldering Heat
....................................260°C for 5 sec.
Materials
Core .....................Ferrite DR and RI core
Wire ............................Enamelled copper
Base ......................................LCP E4008
Terminal ......................Tinned copper flat
Rated Current
.....................Ind. drop 10% typ. at Isat
Temperature Rise
........................40°C max. at rated Irms
Packaging.....................400 pcs. per reel
Product Dimensions
101
12.7 ± 0.3
(.500 ± .012)
5.0 ± 0.2
(.197 ± .007)
12.7 ± 0.3
(.500 ± .012)
2.3 ± 0.2
(.091 ± .007)
8.5
(.335)
MAX.
Recommended Layout
7.0
(.276)
6.0
(.236)
4.0
(.157)
DIMENSIONS:
MM
(INCHES)
Specifications are subject to change without notice.