Ro VER LEA
H S SI D F
CO ON RE
M SA E
PL R
IA E
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
■
Lead free version available (see How to
Applications
■
Input/output of DC/DC converters
■
Power supplies for:
•
Portable communication equipment
•
Camcorders
•
LCD TVs
•
Car radios
Order)
■
Lead free versions are RoHS compliant*
SRR0908 Series - SMD Shielded Power Inductors
Electrical Specifications
Inductance 1 kHz
Bourns Part No.
µ
(µH)
Tol. %
Q
Ref.
Test
Frequency
(MHz)
SRF
Min.
(MHz)
RDC
(ohms)
I rms
Max.
(A)
I sat
Typ.
(A)
SRR0908-1R5M_
SRR0908-2R7M_
SRR0908-3R9M_
SRR0908-5R6M_
SRR0908-7R5M_
SRR0908-100M_
SRR0908-120M_
SRR0908-150M_
SRR0908-180M_
SRR0908-220M_
SRR0908-270M_
SRR0908-330M_
SRR0908-390M_
SRR0908-470M_
SRR0908-560M_
SRR0908-680M_
SRR0908-820M_
SRR0908-101Y_
SRR0908-121Y_
SRR0908-151Y_
SRR0908-181Y_
SRR0908-221Y_
SRR0908-271Y_
SRR0908-331Y_
SRR0908-391Y_
SRR0908-471Y_
SRR0908-561Y_
SRR0908-681Y_
SRR0908-821Y_
SRR0908-102Y_
SRR0908-152Y_
SRR0908-222Y_
SRR0908-332Y_
SRR0908-472Y_
SRR0908-682Y_
SRR0908-822Y_
SRR0908-103Y_
SRR0908-153Y
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
7.96M
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
0.252M
0.252M
0.252M
0.252M
0.252M
0.252M
0.0796M
0.0796M
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
1.80
1.30
1.00
0.90
0.80
0.60
0.50
0.50
0.40
0.014
0.019
0.021
0.028
0.032
0.040
0.050
0.050
0.075
0.080
0.090
0.10
0.14
0.15
0.17
0.18
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
2.50
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
0.30
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
0.41
0.35
0.29
0.24
0.19
0.16
0.14
0.13
0.12
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 and RI core
Wire .............................Enameled copper
Base..................................................LCP
Terminal ......................See How to Order
Adhesive ..............................Epoxy resin
Rated Current
....................Ind. drop 10 % typ. at Isat
Temperature Rise
.......................40 °C max. at rated Irms
Packaging.....................400 pcs. per reel
Product Dimensions
1
8
MARKING
(PIN 1 SIDE)
4
101
5
10.5
(.413)
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
(.087)
10.3
(.406)
2.2
(.087)
1.0
(.039)
2.5
(.098)
SRR0908-1R5M to 820M
10.3
(.406)
2.2
(.087)
2.2
(.087)
How to Order
SRR0908 - 100M __
Model
Value/Tolerance: from table
Termination
L = Cu/Ni/Sn
Blank = Cu/Ni/SnPb
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
Specifications are subject to change without notice.
Customers 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)
DIMENSIONS:
30.4
(1.20)
MM
(INCHES)
21.0
±
0.8
(.827
±
.031)
13.0
±
0.5
(.512
±
.020)
DIA.
50.0
(1.969)
THICKNESS
0.10
(.004)
MAX.
EMBOSSED
CAVITY
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
Electrical Schematic
SRR0908-1R5M to 820M
1
8
SRR0908-101Y to 153Y
1
4
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. 03/05
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.