Features
Applications
■ Shielded construction
■ Unit height of 3.7 mm
■ Inductance range: 0.1 µH to 6.8 µH
■ Current up to 43 A
■ Lead free
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communications equipment
• Camcorders
• LCD TVs
• Car audio systems
■ RoHS compliant*
SRP1235 Series - Shielded Power Inductors
General Specifications
Electrical Specifications
Test Voltage...................................0.25 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
Inductance
I rms
(A)
I sat
(A)
DCR
Bourns Part No.
L (µH)
(mΩ) max.
SRP1235-R10M
SRP1235-R15M
SRP1235-R22M
SRP1235-R33M
SRP1235-R47M
SRP1235-R60M
SRP1235-R68M
SRP1235-R82M
SRP1235-1R0M
SRP1235-1R5M
SRP1235-1R8M
SRP1235-2R2M
SRP1235-3R3M
SRP1235-4R7M
SRP1235-5R6M
SRP1235-6R8M
0.10
0.15
0.22
0.33
0.47
0.60
0.68
0.82
1.00
1.50
1.80
2.20
3.30
4.70
5.60
6.80
43.0
41.0
38.5
36.5
32.0
29.0
28.0
25.0
24.0
19.0
16.5
16.0
12.0
10.0
10.0
9.0
56
50
50
50
44
42
40
38
36
28
24
20
18
16
14
13
0.96
1.2
1.3
1.5
2.0
2.5
2.5
3.0
3.5
5.5
7
..............................+260 °C for 10 sec.
Materials
Core...............................................Ferrite
Wire.............................Enameled copper
Terminal .........................................Cu/Sn
Rated Current.......Ind. drops 20 % at I sat
Temperature Rise..........40 ˚C at rated I rms
Packaging .......600 pcs. per 13-inch reel
8
12
15
18
Product Dimensions
1ꢀ.9
(0.547)
ꢀ.7
(.146)
MAX.
MAX.
MAX.
22
12.7 0.ꢀ
(0.500 0.012)
ꢀ.5
(.1ꢀ8)
Soldering Profile
1ꢀ.9
(0.547)
MAX.
275
R68
260 °C peak
<1>Maximum of 10 seconds
between +255 °C and +260 °C
<1> 255 °C
220 °C
225
175
125
75
12.7 0.ꢀ
(0.500 0.012)
190°C
Ramp Down
5 °C/second
60 seconds
maximum
150 °C
120-150 seconds
10 seconds minimum
ꢀ.0 0.5
(0.118 0.020)
Ramp Up
4 °C/second maximum
2.5 0.5
(0.098 0.020)
25
0
50
100
150
200
250
ꢀ00
Time (Seconds)
Recommended Layout
15.0
(0.591)
Electrical Schematic
4.5
(.177)
7.0
(.276)
MM
(INCHES)
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.