PL
IA
N
T
Features
n
Available in E6 series
n
Unit height of 8.5 mm
n
Current rating up to 7.5 A
n
RoHS compliant*
Applications
n
Input/output of DC/DC converters
n
Power supplies for:
*R
oH
S
C
OM
• Portable communication equipment
• Camcorders
• LCD TVs
LE
AD
F
RE
E
SRR1208 Series - Shielded High Power Inductors
General Specifications
Test Voltage .......................................1 V
Operating Temperature
............................... -40 °C to +125 °C
(Temperature rise included)
Storage Temperature
............................... -40 °C to +125 °C
Resistance to Soldering Heat
.................................260 °C for 5 sec.
Rated Current
..............Ind. drop of 10 % typ. at Isat
Temperature Rise
.....................40 °C max. at rated Irms
Materials
Core ........................Ferrite DR & RI core
Wire ........................... Enameled copper
Base .....................................LCP E4008
Terminal ................................... Cu/Ni/Sn
Packaging.................... 400 pcs. per reel
Product Dimensions
Electrical Characteristics
Ro VE LEA
HS RS D
C ION FRE
OM S E
PL AR
IA E
NT
*
Inductance 1 KHz
Bourns Part No.
SRR1208-2R5ML
SRR1208-4R5ML
SRR1208-6R5ML
SRR1208-100ML
SRR1208-120ML
SRR1208-150ML
SRR1208-180ML
SRR1208-220ML
SRR1208-270ML
SRR1208-330YL
SRR1208-390YL
SRR1208-470YL
SRR1208-560YL
SRR1208-680YL
SRR1208-820YL
SRR1208-101YL
SRR1208-121YL
SRR1208-151YL
SRR1208-181YL
SRR1208-221KL
SRR1208-271KL
SRR1208-331KL
SRR1208-391KL
SRR1208-471KL
SRR1208-561KL
SRR1208-681KL
SRR1208-821KL
SRR1208-102KL
SRR1208-122KL
SRR1208-152KL
SRR1208-182KL
SRR1208-222KL
SRR1208-272KL
SRR1208-332KL
SRR1208-392KL
SRR1208-472KL
SRR1208-562KL
SRR1208-682KL
SRR1208-822KL
SRR1208-103KL
2.5
4.5
6.5
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
390
470
560
680
820
1000
1200
1500
1800
2200
2700
3300
3900
4700
5600
6800
8200
10000
(µH)
Tol. %
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
20
20
20
20
20
20
20
20
20
15
15
15
15
15
15
15
15
15
15
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
Q
Ref.
20
24
25
20
19
21
21
23
23
23
25
24
23
20
18
15
15
14
14
13
13
13
14
14
14
13
12
11
10
10
20
20
20
20
20
20
18
18
16
24
Test
Frequency
(MHz)
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
0.796
0.796
0.796
0.796
0.796
0.252
0.252
0.252
0.252
0.252
0.252
0.252
0.252
0.252
0.252
0.252
0.252
0.0796
SRF
Min.
(MHz)
37
30
20
15
11
11
9.0
7.0
6.5
6.5
6.0
5.0
5.0
5.0
4.0
4.0
3.0
3.0
2.5
2.5
2.0
1.8
1.6
1.4
1.4
1.2
1.2
1.0
0.80
0.75
0.70
0.65
0.60
0.50
0.45
0.42
0.40
0.38
0.35
0.30
0.011
0.014
0.018
0.021
0.025
0.036
0.040
0.043
0.048
0.062
0.076
0.085
0.110
0.135
0.150
0.170
0.190
0.240
0.270
0.380
0.400
0.650
0.670
0.850
0.900
1.00
12.7 ± 0.3
(.500 ± .012)
1.15
1.65
2.00
2.35
3.40
2.3 ± 0.2
4.20
(.091 ± .007)
5.20
6.40
7.80
9.60
12.0
15.2
17.0
19.2
RDC
Max.
(Ω)
101
7.50
10.00
6.50
10.00
6.00
8.40
5.00
6.70
4.80
6.50
4.00
5.60
3.80
4.00
3.50
4.00
3.00
4.30
2.80
3.80
2.50
3.40
2.20
3.10
2.00
2.80
1.80
2.60
1.60
2.30
12.7 ± 0.3
1.50
2.10
(.500 ± .012)
1.40
2.00
1.30
1.72
1.20
1.70
1.10
1.45
0.95
1.25
0.85
1.12
0.80
1.10
0.70
0.95
5.0 ± 0.2
0.65
0.90
(.197 ± .007)
0.60
0.82
0.55
0.77
0.50
0.67
0.40
8.5 MAX.
0.57
(.335)
0.36
0.55
0.46
0.48
0.40
0.42
0.35
0.38
0.32
0.35
0.30
0.32
0.28
0.30
0.25
0.28
0.22
0.25
0.20
0.22
0.18
0.20
I rms
Max.
(A)
I sat
Typ.
(A)
101
12.7 ± 0.3
(.500 ± .012)
5.0 ± 0.2
(.197 ± .007)
12.7 ± 0.3
(.500 ± .012)
8.5
MAX.
(.335)
2.3 ± 0.2
(.091 ± .007)
Schematic
Recommended Layout
7.0
(.276)
*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.
6.0
(.236)
4.0
(.157)
DIMENSIONS:
MM
(INCHES)
7.0
(.276)
6.0
(.236)
SRR1208 Series - Shielded High Power Inductors
Packaging Specifications
330
DIA.
(12.99)
2.0 ± 0.5
(.079 ± .020)
30.4
(1.20)
13.0 ± 0.5
(.512 ± .020)
DIA.
50.0
(1.969)
21.0 ± 0.8
(.827 ± .031)
THICKNESS
0.10
(.004)
MAX.
EMBOSSED
CAVITY
13.0 ± 0.5
DIA.
(.512 ± .020)
26
(1.02)
EMBOSSED
CARRIER
END
4
(.157)
START
24
(.945)
20
(.787)
NO COMPONENT
8.6
(0.338)
200
(7.874)
COMPONENTS
11200
(440.945)
NO COMPONENT
400
(15.748)
USER DIRECTION OF FEED
QTY: 400 PCS. PER REEL
DIMENSIONS:
MM
(INCHES)
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.
REV. 01/17
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