SRR0905-121K Bourns Inc., SRR0905-121K Datasheet
SRR0905-121K
Manufacturer Part Number
SRR0905-121K
Description
INDUCTOR POWER 120UH 0.63A SMD
Manufacturer
Bourns Inc.
Series
SRR0905r
Type
Ferrite Corer
Datasheet
1.SRR0905-221K.pdf
(2 pages)
Specifications of SRR0905-121K
Inductance
120µH
Tolerance
±10%
Current
630mA
Shielding
Shielded
Dc Resistance (dcr)
370 mOhm Max
Q @ Freq
31 @ 796kHz
Self Resonant Freq
7MHz
Package / Case
0.390" L x 0.390" W x 0.177" H (9.90mm x 9.90mm x 4.50mm)
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C
Frequency - Test
100kHz
Material - Core
Ferrite
Applications
Power Supplies
Product
Inductors
Test Frequency
0.796 MHz
Maximum Dc Current
0.63 Amp
Maximum Dc Resistance
0.37 mOhms
Self Resonant Frequency
7 MHz
Q Minimum
31
Dimensions
9.9 mm Dia. x 4.5 mm H
Operating Temperature Range
- 40 C to + 125 C
Termination Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Saturation
-
Current - Temperature Rise
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
SRR0905-121K
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
Electrical Specifications
Inductance vs. Current
10 4
10 3
10 2
10 1
10 0
Inductance 100 kHz
7
5
3
2
7
5
3
2
7
5
3
2
7
5
3
2
10 1
(µH)
100
120
150
180
220
270
330
390
470
10
12
15
18
22
27
33
39
47
56
68
82
2
3
152
471
101
330
100
Tol. %
5 7 10 2
±20
±20
±20
±20
±20
±20
±15
±15
±15
±15
±15
±15
±10
±10
±10
±10
±10
±10
±10
±10
±10
DC Current (mA)
2
3
Ref.
39
40
35
39
35
35
27
31
27
26
26
26
29
31
24
24
27
30
29
26
26
Q
Features
SRR0905 Series - Shielded SMD Power Inductors
5 7
Available in E12 series
Height of 2.9 mm
Current rating up to 2.1 A
RoHS compliant*
10 3
Frequency
(MHz)
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
Test
2
3
5 7
(MHz)
10 4
SRF
Typ.
29
26
24
21
18
17
14
14
11
11
10
9
8
7
6
5
5
5
4
3
3
Max.
DCR
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
(Ω)
Customers should verify actual device performance in their specific applications.
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
2.1
1.9
1.7
1.6
1.4
1.3
1.2
1.1
1.0
(A)
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex
Applications
Test Voltage ....................................1 Volt
Reflow Soldering .....230 ˚C; 50 sec max.
Operating Temperature ..-40 °C to +125 °C
Storage Temperature..-40 °C to +125 °C
Resistance to Soldering Heat
Core Material...................Ferrite DR & RI
Wire ............................Enameled Copper
Terminal.....................................Ag/Ni/Sn
Rated Current ...Ind. drop 10 % typ at I sat
Temperature Rise ..15 ˚C typ. at rated I rms
Packaging.....................800 pcs. per reel
General Specifications
Materials
Product Dimensions
Recommended Layout
Input/output of DC/DC converters
Power supplies for:
•
•
•
•
..................................260 °C for 5 sec.
Specifications are subject to change without notice.
Portable communication equipment
Camcorders
LCD TVs
Car radios
(.394)
10.0
REF.
DIMENSIONS:
(Temperature rise included)
(.394)
10.0
REF.
(.114)
2.9
(INCHES)
MM
(.390 ± .012)
(.177 ± .012)
TYP.
9.9 ± 0.3
4.5 ± 0.3
(.110)
REF.
2.8
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SRR0905-121K Summary of contents
Page 1
... SRR0905-270M 27 ±20 SRR0905-330Y 33 ±15 SRR0905-390Y 39 ±15 SRR0905-470Y 47 ±15 SRR0905-560Y 56 ±15 SRR0905-680Y 68 ±15 SRR0905-820Y 82 ±15 SRR0905-101K 100 ±10 SRR0905-121K 120 ±10 SRR0905-151K 150 ±10 SRR0905-181K 180 ±10 SRR0905-221K 220 ±10 SRR0905-271K 270 ±10 SRR0905-331K 330 ±10 SRR0905-391K 390 ±10 SRR0905-471K 470 ±10 Inductance vs ...
Page 2
... SRR0905 Series - Shielded SMD Power Inductors Surface Mount Chip Inductor Capability Matrix Soldering Profile 275 <1> Maximum of 10 seconds between +255°C and +260°C 225 175 150°C 125 120 - 150 seconds 75 Ramp Up 3°C/second maximum 100 Packaging Specifications (.079 ± .020) 330 ...