SRP8040

PL
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Features
Applications
■ Shielded construction
■ Input/output of DC/DC converters
■ Unit height of 4.2 mm
■ Power supplies for:
• Portable communications equipment
• Camcorders
• LCD TVs
• Car audio systems
■ Inductance range: 0.10 µH to 0.22 µH
■ Current up to 35 A
■ RoHS compliant*
SRP8040 Series - Shielded Power Inductors
Electrical Specifications
Bourns Part No.
Inductance
L (µH)
IDC
(A)
RDC
(mΩ) max.
RDC
(mΩ) typ.
SRP8040-R10Y
SRP8040-R22Y
0.10 ± 30 %
0.22 ± 30 %
35.0
25.0
0.65
0.65
0.49
0.49
SRP8040-R10Y: IDC based on inductance drop 10 % typical of L value at 20 °C.
SRP8040-R22Y: IDC based on inductance drop 30 % typical of L value at 20 °C.
Materials
Core...............................................Ferrite
Wire ..................................Tinned copper
Terminal .........................................Cu/Sn
Rated Current
....................See Electrical Specifications
Temperature Rise..........40 ˚C at rated I rms
Packaging .....1000 pcs. per 13-inch reel
Soldering Profile
225
260 °C peak
<1> 255 °C
220 °C
190°C
60 seconds
maximum
175
Ramp Down
5 °C/second
150 °C
Product Dimensions
125
120-150 seconds
8.2 ± 0.30
(.323 ± .012)
10 seconds minimum
75
7.6 ± 0.15
(.299 ± .006)
Ramp Up
4 °C/second maximum
25
0
50
100
150
200
Time (Seconds)
250
300
6.10 ± 0.15
(.240 ± .006)
R10
Temperature (°C)
275
<1> Maximum of 10 seconds
between +255 °C and +260 °C
General Specifications
Test Voltage.....................................1.0 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.
Electrical Schematic
4.20 ± 0.30
(.165 ± .012)
TYP.
TYP.
3.0
(0.118)
1.80
(.071)
Recommended Layout
2.4
(.094)
*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.
9.2
(.362)
4.4
(.173)
2.4
(.094)
6.8
(.268)
3.6
(.142)
DIMENSIONS:
MM
(INCHES)
SRP8040 Series - Shielded Power Inductors
L vs. I Charts
40
0.06
0.04
0.02
0
20
0
10
20
30
Inductance (µH)
60
0.12
0.10
0.08
Temperature Rise (°C)
Inductance (µH)
80
0.14
0
50
40
SRP8040-R22Y
0.20
0.18
0.16
100
100
80
0.14
60
0.12
0.10
0.08
40
0.06
0.04
0.02
0
20
0
5
10
15
Temperature Rise (°C)
SRP8040-R10Y
0.20
0.18
0.16
0
25
20
DC Current (A)
DC Current (A)
Packaging Specifications
330.0
(13.00)
DIA.
2.0 ± 0.5
(.079 ± .020)
30.4
(1.20)
DIMENSIONS:
MM
(INCHES)
THICKNESS
0.10
(.004)
MAX.
13.0
(.51)
DIA.
EMBOSSED
CAVITY
50 - 0
(1.97 - 0)
13.0
DIA.
(.51)
EMBOSSED
CARRIER
26.0 + 0
(1.02 + 0)
4.0
(0.157)
12.0
(0.472)
END
R10
R10
R10
R10
R10
NO COMPONENT
160
(6.299)
R10
START
R10
NO COMPONENT
COMPONENTS
MIN.
400
(15.748)
MIN.
USER DIRECTION OF FEED
REV. 05/11
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.