PL
IA
N
T
Features
n
Available in E12 series
n
Height of 2.9 mm
n
Current rating up to 2.1 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
SRR0905 Series - Shielded SMD Power Inductors
General Specifications
SRF
Typ.
(MHz)
DCR
Max.
(Ω)
Electrical Specifications
Ro VE LEA
HS RS D
C ION FRE
OM S E
PL AR
IA E
NT
*
Inductance
Bourns Part No.
SRR0905-100M
SRR0905-120M
SRR0905-150M
SRR0905-180M
SRR0905-220M
SRR0905-270M
SRR0905-330Y
SRR0905-390Y
SRR0905-470Y
SRR0905-560Y
SRR0905-680Y
SRR0905-820Y
SRR0905-101K
SRR0905-121K
SRR0905-151K
SRR0905-181K
SRR0905-221K
SRR0905-271K
SRR0905-331K
SRR0905-391K
SRR0905-471K
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
390
470
µH
Q
Tol. % Ref.
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
20
20
20
20
20
20
15
15
15
15
15
15
10
10
10
10
10
10
10
10
10
39
40
35
39
35
35
27
31
27
26
26
26
29
31
24
24
27
30
29
26
26
Test
Frequency
(MHz)
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
29
26
24
21
18
17
14
14
11
11
10
9
8
7
6
5
5
5
4
3
3
0.06
0.07
0.07
0.08
0.08
0.10
0.11
0.12
0.14
0.19
0.21
0.28
0.34
0.37
0.51
0.57
0.78
0.87
1.20
1.34
1.50
2.1
1.9
1.7
1.6
1.4
1.3
1.2
1.1
1.0
0.93
0.85
0.79
0.72
0.63
0.55
0.50
0.47
0.41
0.37
0.35
0.33
Idc
(A)
**K-
Factor
Inductance Test Frequency/Voltage
77
65
57
53
48
43
41
36
32
30
27
26
22
21
18
16
15
13
13
11
10
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.
Moisture Sensitivity Level .....................1
ESD Classification (HBM)................. N/A
Materials
Core Material ................. Ferrite DR & RI
Wire ............................Enameled copper
Terminal ....................................Ag/Ni/Sn
Rated Current
...............Ind. drop of 10 % typ. at Isat
Temperature Rise
.......................15 °C typ. at rated Irms
Packaging .................... 800 pcs. per reel
Product Dimensions
SRR0905-100M to -820Y.. 2.52 MHz/1 V
SRR0905-101K to 471K ......... 1 kHz/1 V
100
100
**K-Factor: To calculate core flux density, Bp-p (gauss) = K x L(µH) x
Δ
I (peak-to-peak ripple current, A),
determine core loss from
Core Loss vs. Flux Density
plot.
9.9 ± 0.3
(.390 ± .012)
9.9 ± 0.3
(.390 ± .012)
Core Loss vs. Flux Density
1000
100
Core Loss (mW)
10
1
1 MHz
800 KHz
500 KHz
400 KHz
300 KHz
200 KHz
100 KHz
4.5 ± 0.3
(.177 ± .012)
4.5 ± 0.3
(.177 ± .012)
2.9
TYP.
(.114)
2.9
TYP.
(.114)
0.10
0.01
10
100
1000
Flux Density Bp-p (gauss)
Recommended Layout
10.0
REF.
(.394)
10.0
REF.
(.394)
*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.
10.0
(.394)
10.0
REF.
(.394)
REF.
MM
DIMENSIONS:
(INCHES)
2.8
(.110)
2.8
REF.
(.110)
REF.
(.2
SRR0905 Series - Shielded SMD Power Inductors
Soldering Profile
275
<1> Maximum of 10 seconds between
+255°C and +260°C
225
220°C
190°C
60 - 90
seconds
Ramp Down
6°C/second
maximum
260°C peak
<1> 255°C
1
Schematic
1
(.06
Temperature (°C)
175
150°C
125
120 - 150 seconds
10 seconds minimum
75
Ramp Up
3°C/second maximum
25
0
50
100
150
200
250
Rev. 02/22/05
300
Time (seconds)
Inductance vs. Current
104
7
5
3
2
103
7
152
471
Inductance (µH)
5
3
2
102
7
5
3
2
101
7
5
3
2
100
101
101
330
100
2
3
5 7 102
2
3
5 7 103
2
3
5 7 104
DC Current (mA)
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.
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