CO
M
PL
IA
NT
Features
Shielded construction
Unit height of 4.2 mm
Inductance range: 0.10
μH
to 0.22
μH
Current up to 35 A
RoHS compliant*
This series is currently available but
not recommended for new designs.
*R
oH
S
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.
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.
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
Product Dimensions
Soldering Profile
275
225
175
125
75
25
<1> Maximum of 10 seconds
between +255 °C and +260 °C
<1> 255 °C
220 °C
60 seconds
maximum
Ramp Down
5 °C/second
260 °C peak
Temperature (°C)
190°C
150 °C
120-150 seconds
10 seconds minimum
8.2 ± 0.30
(.323 ± .012)
7.6 ± 0.15
(.299 ± .006)
Ramp Up
4 °C/second maximum
0
50
100
150
200
250
300
6.10 ± 0.15
(.240 ± .006)
Time (Seconds)
Electrical Schematic
R10
TYP.
3.0
(0.118)
TYP.
1.80
(.071)
9.2
(.362)
4.4
(.173)
2.4
(.094)
6.8
(.268)
3.6
(.142)
4.20 ± 0.30
(.165 ± .012)
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.
DIMENSIONS:
MM
(INCHES)
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