SRP1045 - Bourns

PL
IA
NT
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M
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oH
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Features
Applications
■ Shielded construction
■ Input/output of DC/DC converters
■ Unit height of 4.5 mm
■ Power supplies for:
• Portable communications equipment
• Camcorders
• LCD TVs
• Car audio systems
■ Inductance range: 0.36 µH to 3.2 µH
■ Current up to 23 A
■ RoHS compliant*
SRP1045 Series - Shielded Power Inductors
Electrical Specifications
Bourns Part No.
Inductance
L (µH)
I rms
(A)
I sat
(A)
DCR
(mΩ) max.
SRP1045-R36Y
SRP1045-R80M
SRP1045-1R4M
SRP1045-2R2M
SRP1045-3R2M
0.36 ± 30 %
0.80 ± 20 %
1.40 ± 20%
2.20 ± 20 %
3.20 ± 20 %
23.0
15.0
13.0
9.5
8.0
26.0
17.0
14.0
10.0
8.0
1.7
3.9
4.4
8.7
10.4
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 .......600 pcs. per 13-inch reel
Inductance vs. DC Superposition Characteristics
4.0
Product Dimensions
3.0
4.50 ± 0.30
(0.177 ± 0.012)
11.00 ± 0.30
(0.422 ± 0.012)
9.35 ± 0.30
(0.368 ± 0.012)
2R2
2.0
1R4
Inductance (μH)
3R2
2.10
(0.083)
TYP.
1.0
0
5
10
15
20
DC Current (A)
TYP.
6.0
TYP.
(0.236)
1.50
TYP.
(0.059)
2.0
Inductance (μH)
2.0
TYP.
(0.079)
1.00
(0.039)
1R4
1.0
R80
Recommended Layout
5.8
(.228)
3.0
(0.118)
R36
0
0
10
20
DC Current (A)
Electrical Schematic
30
40
6.0
(0.236)
3.0
(0.118)
3.0
(0.118)
2.8
(0.110)
2.0
(0.079)
1.4
(0.055)
10.0
(0.394)
DIMENSIONS:
*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.
3.0
(0.118)
MM
(INCHES)
SRP1045 Series - Shielded Power Inductors
Soldering Profile
Temperature (°C)
275
260 °C peak
<1> Maximum of 10 seconds
between +255 °C and +260 °C
225
<1> 255 °C
220 °C
190°C
Ramp Down
5 °C/second
60 seconds
maximum
175
150 °C
125
120-150 seconds
10 seconds minimum
75
Ramp Up
4 °C/second maximum
25
0
50
100
150
200
250
300
Time (Seconds)
Packaging Specifications
2.0 ± 0.5
(.079 ± .020)
330.0
(13.00)
DIA.
THICKNESS
0.10
(.004)
MAX.
13.0 ± 0.5
(.512 ± .020)
DIA.
21.0 ± 0.8
(.827 ± .031)
EMBOSSED
CAVITY
50.0 - 0
(1.969 -0)
13.0 ± 0.5
DIA.
(.512 ± .020)
EMBOSSED
CARRIER
26.0 + 0
(1.024 +0)
16.0
(0.629)
4.0
(0.157)
END
1R4
1R4
1R4
NO COMPONENT
160
(6.299)
1R4
NO COMPONENT
400
(15.748)
COMPONENTS
MIN.
MIN.
USER DIRECTION OF FEED
DIMENSIONS:
REV. 05/11
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
START
MM
(INCHES)