SRP1250 Datasheet, PDF (1/3 Pages) Bourns Electronic Solutions – Shielded Power Inductors

*RoH*RSoCHOSMCPOLMIAPNLTIANT
Features
■ Shielded construction
■ Unit height of 5.9 mm
■ Inductance range: 0.36 µH to 10 µH
■ Current up to 41 A
■ RoHS compliant*
Applications
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communications equipment
• Camcorders
• LCD TVs
• Car audio systems
SRP1250 Series - Shielded Power Inductors
Electrical Specifications
Bourns Part No.
SRP1250-R36M
SRP1250-R47M
SRP1250-R50M
SRP1250-R56M
SRP1250-R68M
SRP1040-R82M
SRP1250-1R0M
SRP1250-1R2M
SRP1250-1R5M
SRP1250-1R8M
SRP1250-2R2M
SRP1250-2R7M
SRP1250-3R3M
SRP1250-4R7M
SRP1250-6R0M
SRP1250-6R8M
SRP1250-7R8M
SRP1250-9R0M
SRP1250-100M
Inductance
L (µH)
0.36
0.47
0.50
0.56
0.68
0.82
1.00
1.20
1.50
1.80
2.20
2.70
3.30
4.70
6.00
6.80
7.80
9.00
10.0
I rms
(A)
41
38
36
36
34
31
29
27
23
21
20
17
15
12
9.5
11
10
10
9
I sat
(A)
DCR
(mΩ) max.
75
1.1
65
1.3
55
1.5
55
1.5
54
1.7
53
2.3
50
2.5
49
3.3
48
4.1
40
4.7
32
5.5
32
7.3
32
9.2
27
15.0
14
10.0
21
18.5
18
20.5
18
22.5
16
25.5
Soldering Profile
275
<1> Maximum of 10 seconds
225
between +255 °C and +260 °C
<1> 255 °C
220 °C
260 °C peak
190°C
60 seconds
Ramp Down
175
maximum
5 °C/second
150 °C
125
75
25
0
120-150 seconds
10 seconds minimum
Ramp Up
4 °C/second maximum
50
100
150
200
250
300
Time (Seconds)
Electrical Schematic
General 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
..............................+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 .......500 pcs. per 13-inch reel
Product Dimensions
13.9
(0.547)
MAX.
12.7 ± 0.3
(0.500 ± 0.012)
13.5
(0.531)
MAX.
1R5
5.9
(.232)
MAX.
5.2
(.205) ^MAX.
12.7 ± 0.3
(0.500 ± 0.012)
3.0 ± 0.5
(0.118 ± 0.020)
2.5 ± 0.5
(0.098 ± 0.020)
Recommended Layout
15.0
(0.591)
4.5
(.177)
7.0
(.276)
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.