M
PL
IA
NT
Features
■
Available in E6 series, E12 series optional
■
High inductance up to 15 mH
■
High current up to 5.6 A
■
Gull wing leads
■
RoHS compliant*
Applications
■
Input/output of DC/DC converters
■
Power supplies for:
*R
oH
S
CO
•
•
•
•
Portable communication equipment
Camcorders
LCD TVs
Car radios
SRR0908 Series - SMD Shielded Power Inductors
Electrical Specifications
Inductance 1 KHz
Bourns Part No.
uH
Tol. %
Q
Ref.
Test
Frequency
(MHz)
SRF
Min.
(MHz)
RDC
Max.
(Ω)
I rms
Max.
(A)
I sat
Typ.
(A)
General Specifications
Test Voltage .......................................1 V
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 5 sec.
Materials
Core ............................... Ferrite DR & RI
Wire ............................Enameled copper
Base ................................................ LCP
Terminal ....................................Cu/Ni/Sn
Adhesive .............................. Epoxy resin
Rated Current
...............Ind. drop of 10 % typ. at Isat
Temperature Rise
.....................40 °C max. at rated Irms
Packaging .................... 400 pcs. per reel
Product Dimensions
1
8
SRR0908-1R5ML
SRR0908-2R7ML
SRR0908-3R9ML
SRR0908-5R6ML
SRR0908-7R5ML
SRR0908-100ML
SRR0908-120ML
SRR0908-150ML
SRR0908-180ML
SRR0908-220ML
SRR0908-270ML
SRR0908-330ML
SRR0908-390ML
SRR0908-470ML
SRR0908-560ML
SRR0908-680ML
SRR0908-820ML
SRR0908-101YL
SRR0908-121YL
SRR0908-151YL
SRR0908-181YL
SRR0908-221YL
SRR0908-271YL
SRR0908-331YL
SRR0908-391YL
SRR0908-471YL
SRR0908-561YL
SRR0908-681YL
SRR0908-821YL
SRR0908-102YL
SRR0908-152YL
SRR0908-222YL
SRR0908-332YL
SRR0908-472YL
SRR0908-682YL
SRR0908-822YL
SRR0908-103YL
SRR0908-153YL
1.5
2.7
3.9
5.6
7.5
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
1500
2200
3300
4700
6800
8200
10000
15000
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±15
±15
±15
±15
±15
±15
±15
±15
±15
±15
±15
±15
±15
±15
±15
±15
±15
±15
±15
±15
±15
20
20
20
18
18
33
40
45
40
35
45
40
45
40
35
30
30
40
42
45
35
35
30
30
33
30
35
30
35
85
120
95
95
90
90
85
110
130
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
0.796
0.796
0.796
0.796
0.796
0.252
0.252
0.252
0.252
0.252
0.252
0.252
0.0796
0.0796
65.0
50.0
35.0
25.0
15.0
11.0
11.0
8.50
8.50
6.00
6.00
5.00
5.00
4.00
3.00
2.50
2.40
6.00
5.70
4.60
4.20
3.80
3.40
3.00
2.60
2.30
2.20
2.00
1.90
1.90
1.30
1.00
0.90
0.80
0.60
0.50
0.50
0.40
0.014
0.019
0.021
0.027
0.032
0.040
0.050
0.065
0.075
0.080
0.090
0.10
0.135
0.15
0.165
0.184
0.26
0.28
0.34
0.45
0.50
0.60
0.70
0.80
1.00
1.15
1.50
1.70
2.20
2.20
4.00
5.00
8.00
12.00
16.50
24.00
26.00
40.00
5.60
4.80
4.40
3.80
3.40
3.00
2.50
2.20
2.00
1.90
1.80
1.70
1.50
1.40
1.35
1.25
1.05
1.00
0.90
0.80
0.70
0.65
0.60
0.55
0.50
0.45
0.38
0.35
0.32
0.32
0.25
0.20
0.15
0.12
0.10
0.10
0.09
0.08
10.00
7.70
6.60
5.50
4.60
4.10
4.00
3.90
3.80
3.30
2.90
2.70
2.40
2.30
2.10
1.90
1.90
1.30
1.10
1.00
1.00
0.95
0.75
0.70
0.65
0.62
0.55
0.50
0.45
0.45
0.35
0.29
0.24
0.19
0.16
0.14
0.13
0.12
MARKING
(PIN 1 SIDE)
4
101
10.0 ± 0.5
(.394 ± .020)
5
9.5 ± 0.3
(.374 ± .012)
7.5 ± 0.3
(.295 ± .012)
12.5 ± 0.5
(.492 ± .020)
11.0 ± 0.5
(.433 ± .020)
2.5 ± 0.3
(.098 ± .012)
2.5 ± 0.3
0.7 ± 0.1
(.028 ± .004) (.098 ± .012)
Multiple windings possible
(up to four windings).
Recommended Layout
SRR0908-101Y to -153Y
2.2
10.3
(.087)
(.406)
2.2
(.087)
1.0
(.039)
2.5
(.098)
SRR0908-1R5M to -820M
2.2
10.3
(.087)
(.406)
2.2
(.087)
3.0
(.118)
2.5 ± 0.3
(.098 ± .012)
9
(.355)
DIMENSIONS:
MM
(INCHES)
14.7
(.578)
14.7
(.578)
*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.
SRR0908 Series - SMD Shielded Power Inductors
Packaging Specifications
330
(12.99)
DIA.
2.0
±
0.5
(.079
±
.020)
30.4
(1.20)
THICKNESS
0.10
(.004)
MAX.
EMBOSSED
CAVITY
21.0
±
0.8
(.827
±
.031)
13.0
±
0.5
(.512
±
.020)
DIA.
50.0
(1.969)
13.0
±
0.5
DIA.
(.512
±
.020)
EMBOSSED
CARRIER
26
(1.02)
4
(.157)
END
START
24
(.945)
7.9
(.311)
16
(.63)
NO COMPONENT
COMPONENTS
NO COMPONENT
200
(7.874)
9600
(378.2)
400
(15.748)
USER DIRECTION OF FEED
QTY: 400 PCS. PER REEL
DIMENSIONS:
MM
(INCHES)
Electrical Schematics
SRR0908-101Y to -153Y
1
1
4
SRR0908-1R5M to -820M
8
4
5
TOP VIEW (Typical Layout)
Termination of each individual winding may be either
Pin 1, 2, 3, or 4.
Termination of opposite end of each individual winding
may be either Pin 5, 6, 7, or 8
Windings will not be terminated to the same pin.
See "Recommended Layout" for SRR0908-1R5M to 820M.
REV. 08/13
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.