SRU5028-1R2Y Bourns Inc., SRU5028-1R2Y Datasheet
SRU5028-1R2Y
Manufacturer Part Number
SRU5028-1R2Y
Description
INDUCTOR PWR 1.2UH 30% SHLD SMD
Manufacturer
Bourns Inc.
Series
SRU5028r
Type
Ferrite Corer
Datasheet
1.SRU5028-101Y.pdf
(2 pages)
Specifications of SRU5028-1R2Y
Inductance
1.2µH
Tolerance
±30%
Shielding
Shielded
Package / Case
0.205" L x 0.205" W x 0.110" H (5.20mm x 5.20mm x 2.80mm)
Current
3.5A
Current - Saturation
3.4A
Dc Resistance (dcr)
16.80 mOhm
Q @ Freq
10 @ 7.96MHz
Self Resonant Freq
200MHz
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C
Frequency - Test
100kHz
Material - Core
Ferrite
Applications
Power Supplies
Core Material
Ferrite DR/RI
Product
Inductors
Test Frequency
7.96 MHz
Maximum Dc Current
3.5 Amps
Maximum Dc Resistance
16.8 mOhms
Self Resonant Frequency
200 MHz
Q Minimum
10
Dimensions
5.2 mm W x 5.2 mm L x 2.8 mm H
Operating Temperature Range
- 40 C to + 125 C
Termination Style
SMD/SMT
Resistance Dc
0.017 Ohms
Termination
SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Temperature Rise
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
SRU5028-1R2YTR
Bourns Part No.
SRU5028-1R2Y
SRU5028-2R2Y
SRU5028-3R3Y
SRU5028-4R7Y
SRU5028-6R8Y
SRU5028-100Y
SRU5028-150Y
SRU5028-220Y
SRU5028-330Y
SRU5028-470Y
SRU5028-680Y
SRU5028-101Y
Electrical Specifications
Electrical Schematic
Inductance 100 KHz
100.0
10.0
15.0
22.0
33.0
47.0
68.0
(µH)
1.2
2.2
3.3
4.7
6.8
Tol. %
± 30
± 30
± 30
± 30
± 30
± 30
± 30
± 30
± 30
± 30
± 30
± 30
Ref.
10
10
10
10
18
18
15
15
13
13
15
Q
9
Frequency
(MHz)
0.796
Test
7.96
7.96
7.96
7.96
7.96
2.52
2.52
2.52
2.52
2.52
2.52
Features
■
■
■
■
■
SRU5028 Series - Shielded SMD Power Inductors
Inductor Connection
Recommended Layout
Available in E6 series
Unit height of 2.8 mm
Current up to 3.5 A
Lead free
RoHS compliant*
(.043)
(.043)
REF.
REF.
1.1
1.1
(.146)
(.043)
REF.
REF.
3.7
1.1
(MHz)
Min.
SRF
200
130
90
50
55
25
23
18
16
13
10
8
LCR METER
108.0
162.0
203.0
285.0
450.0
625.0
RDC
(mΩ)
16.8
21.0
24.0
32.0
42.0
63.0
(.146)
REF.
3.7
REF.
I rms
Max.
3.50
3.20
2.80
2.20
2.00
1.80
1.10
0.95
0.80
0.70
0.56
0.47
(A)
(.079)
2.0
Customers should verify actual device performance in their specific applications.
(.043)
REF.
1.1
(.079)
2.0
REF.
I sat
3.40
2.50
2.10
1.85
1.55
1.40
1.00
0.85
0.68
0.62
0.46
0.42
Typ.
(A)
*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex.
Applications
■
■
Test Voltage.....................................0.1 V
Reflow Soldering ...230 °C, 50 sec. max.
Operating Temperature
Storage Temperature..-40 °C to +125 °C
Resistance to Soldering Heat
Core.....................Ferrite DR and RI core
Wire .............................Enameled copper
Terminal ....................................Ag/Ni/Sn
Rated Current
Temperature Rise
Packaging.....................600 pcs. per reel
General Specifications
Materials
Product Dimensions
....................Ind. drop 35 % typ. at Isat
.....................................-40 °C to +125 °C
......................40 °C max. at rated Irms
Input/output of DC/DC converters
Power supplies for:
•
•
•
•
................................260 °C for 10 sec.
Specifications are subject to change without notice.
Portable communication equipment
Camcorders
LCD TVs
Car radios
DIMENSIONS:
(.205 ± .008)
(.154)
5.2 ± 0.2
3.9
(Temperature rise included)
TYP.
(INCHES)
MM
(.205 ± .008)
5.2 ± 0.2
(.110 ± .008)
(.067)
(.067)
TYP.
1.7
1.7
2.8 ± 0.2
(.071)
TYP.
1.8
TYP.
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SRU5028-1R2Y Summary of contents
Page 1
... Electrical Specifications Inductance 100 KHz Q Bourns Part No. Ref. (µH) Tol. % SRU5028-1R2Y 1.2 ± SRU5028-2R2Y 2.2 ± SRU5028-3R3Y 3.3 ± SRU5028-4R7Y 4.7 ± SRU5028-6R8Y 6.8 ± SRU5028-100Y 10.0 ± SRU5028-150Y 15.0 ± SRU5028-220Y 22.0 ± SRU5028-330Y 33.0 ± SRU5028-470Y 47.0 ± SRU5028-680Y 68.0 ± ...
Page 2
... SRU5028 Series - Shielded SMD Power Inductors Packaging Specifications 178 2.0 ± 0.5 DIA. (7.008) (.079 ± .020) 21.0 ± 0.8 (.827 ± .031) 13.0 ± 0.5 DIA. (.512 ± .020) END NO COMPONENT 160 (6.299) REV. 01/11 Specifications are subject to change without notice. ...