SRP1055 Datasheet, PDF (1/2 Pages) Bourns Electronic Solutions – Shielded Power Inductors

*RoHS ^COMPLIANT
Features
■ Shielded construction
■ Unit height of 5.5 mm
■ Inductance range: 0.36 µH to 8.8 µH
■ Current up to 28 A
■ RoHS compliant*
Applications
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communications equipment
• Camcorders
• LCD TVs
• Car audio systems
SRP1055 Series - Shielded Power Inductors
Electrical Specifications
Bourns Part No.
SRP1055-R36Y
SRP1055-R80M
SRP1055-1R4M
SRP1055-2R2M
SRP1055-3R2M
SRP1055-4R3M
SRP1055-5R7M
SRP1055-7R2M
SRP1055-8R8M
Inductance
L (µH)
0.36 ± 30 %
0.80 ± 20 %
1.40 ± 20 %
2.20 ± 20 %
3.20 ± 20 %
4.30 ± 20 %
5.70 ± 20 %
7.20 ± 20 %
8.80 ± 20 %
I rms
(A)
28.0
20.0
16.0
12.0
11.0
10.0
7.6
7.0
6.0
Inductance vs. DC Superposition Characteristics
10.0
8R8
8.0
7R2
6.0
5R7
4R3
4.0
3R2
2.0
0
3.0
2.0
1.0
0.0
0
2.5
2R2
1R4
R80
R36
10
Electrical Schematic
5
DC Current (A)
20
DC Current (A)
I sat
(A)
26.0
18.0
14.0
10.0
9.0
8.0
7.0
6.2
5.6
7.5
30
DCR
(mΩ) max.
1.7
2.5
3.2
5.8
7.2
8.5
13.2
15.5
17.2
General Specifications
Test Voltage........................................1 V
Test Frequency ..........................100 KHz
Reflow Soldering .....230 ˚C; 50 sec max.
Operating Temperature ..-55 °C to +150 °C
(Temperature rise included)
Storage Temperature..-55 °C to +150 °C
Resistance to Soldering Heat
..............................+260 °C for 10 sec.
Materials
Core .........................................Ferrite ER
Wire .............................Enameled copper
Terminal.....................................Cu/Ni/Sn
Rated Current.......Ind. drops 25 % at I sat
Temperature Rise..........40 ˚C at rated I rms
Packaging .......300 pcs. per 13-inch reel
Product Dimensions
11.00 ± 0.30
(0.422 ± 0.012)
9.35 ± 0.30
(0.368 ± 0.012)
5.50 ± 0.30
(0.216 ± 0.012)
TYP.
1.00
(0.039)
(01..05509)TYP.
10
2.10
(0.083)
TYP.
2.0
(0.079) ^TYP.
6.0
(0.236)
TYP.
Recommended Layout
3.0
(0.118)
5.8
(.228)
3.0
(0.118)
6.0
(0.236)
2.0
3.0
(0.079)
(0.118)
1.4
3.0
(0.055)
(0.118)
40
2.8
(0.110)
10.0
(0.394)
DIMENSIONS:
MM
(INCHES)
*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.