SRP7050

PL
IA
NT
Features
The SRP7050 Series is obsolete
and not recommended for new
designs.
CO
M
■ Shielded construction
*R
oH
S
■ Unit height of 5.0 mm
■ Inductance range: 0.1 µH to 0.2 µH
■ Current up to 30 A
■ RoHS compliant*
SRP7050 Series - Shielded Power Inductors
Electrical Specifications
Bourns Part No.
Inductance
L (µH)
Test Frequency
(Hz)
I rms
(A) max.
I sat
(A) max.
DCR
(mΩ) max.
SRP7050-R10Y
SRP7050-R15Y
SRP7050-R20Y
0.10 ± 30 %
0.15 ± 30 %
0.20 ± 30 %
0.25 V / 1M
0.25 V / 1M
0.25 V / 1M
30
24
19
37
30
24
0.50
0.50
0.50
Soldering Profile
Materials
Core...................................................Iron
Wire .............................Enameled copper
Terminal .........................................Cu/Sn
Rated Current.......Ind. drops 20 % at I sat
Temperature Rise..........40 ˚C at rated I rms
Packaging .......900 pcs. per 13-inch reel
Temperature (°C)
275
<1> Maximum of 10 seconds
between +255 °C and +260 °C
225
260 °C peak
E
T
E
L
O
S
B
O
<1> 255 °C
220 °C
190°C
175
150 °C
General Specifications
Test Voltage...................................0.25 V
Test Frequency..............................1 MHz
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.
60 seconds
maximum
Ramp Down
5 °C/second
Product Dimensions
125
2.5 ± 0.5
(0.098 ± 0.020)
7.2
MAX.
(0.283)
120-150 seconds
10 seconds minimum
75
Ramp Up
4 °C/second maximum
25
0
50
100
6.8
(.268)
MAX.
150
200
250
R10
300
Time (Seconds)
Electrical Schematic
1.5 ± 0.5
(0.059 ± 0.020)
5.0
(0.197)
MAX.
Recommended Layout
7.5
(0.295)
4.5
(0.177)
2.5
(0.098)
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.
Applications
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communications equipment
• Camcorders
• LCD TVs
• Car audio systems
SRP7050 Series - Shielded Power Inductors
L vs. I Charts
0.4
40
0.4
40
0.3
30
0.3
30
0.2
20
0.2
20
0.1
10
0.1
10
30
0.2
20
0.1
10
5
10
15
20
25
30
35
40
Inductance (µH)
40
0.3
0
0
10
15
20
25
30
0
5
10
Packaging Specifications
15
E
T
E
L
O
S
B
O
2.0 ± 0.5
(.079 ± .020)
0
30
25
DIMENSIONS:
MM
(INCHES)
THICKNESS
0.10
(.004)
MAX.
13.5 ± 0.5
(0.53 ± .020)
DIA.
EMBOSSED
CAVITY
75.0 ± 2.0
(2.96 ± 0.08)
13.5 ± 0.5
DIA.
(.53 ± .020)
20
DC Current (A)
DC Current (A)
DC Current (A)
330.0
(13.00)
DIA.
5
0
0
35
Temperature Rise (°C)
50
Inductance (µH)
0.5
0.4
Temperature Rise (°C)
Inductance (µH)
50
50
0
60
0.5
0.5
0
45
SRP7050-R20Y
0.6
0.6
0
SRP7050-R15Y
60
60
Temperature Rise (°C)
SRP7050-R10Y
0.6
EMBOSSED
CARRIER
16.0 ± 0.5
(0.63 ± 0.020)
0.35 ± 0.05
(0.014 ± 0.020)
4.0 ± 0.1
(0.157 ± 0.004)
2.0 ± 0.1
(0.079 ± 0.004)
1.5 ± 0.1
(0.059 ± 0.004)
DIA.
7.2 ± 0.1
(0.283 ± 0.004)
5.4 ± 0.1
(0.213 ± 0.004)
1.75 ± 0.1
(.069 ± 0.004)
4.5 ± 0.5
(.177 ± 0.020)
0.15
DIA.
(0.0006)
7.2 ± 0.1
(0.283 ± 0.004)
16.0 ± 0.3
(0.630 ± 0.012)
12.0 ± 0.1
(0.472 ± 0.004)
REV. 05/11
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.