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SRP1250_13 Datasheet, PDF (1/3 Pages) Bourns Electronic Solutions – Shielded Power Inductors
*RoHS COMPLIANT
Features
■ Shielded construction
■ Unit height of 5.9 mm
■ Inductance range: 0.22 to 10 μH
■ Current up to 45 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-R22M
SRP1250-R36M
SRP1250-R47M
SRP1250-R50M
SRP1250-R56M
SRP1250-R68M
SRP1250-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) ±20 %
0.22
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)
45
41
38
36
36
34
31
29
27
23
21
20
17
15
12
9.5
11
10
10
9
I sat
(A)
80
75
65
55
55
54
53
50
49
48
40
32
32
32
27
14
21
18
18
16
DCR
(mΩ) Max.
1.0
1.1
1.3
1.5
1.5
1.7
2.3
2.5
3.3
4.1
4.7
5.5
7.3
9.2
15.0
10.0
18.5
20.5
22.5
25.5
Soldering Profile
275
<1> Maximum of 10 seconds
<1> 255 °C
between +255 °C and +260 °C
225
260 °C peak
220 °C
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 ..................................................Iron
Wire ............................Enameled copper
Terminal ........................................ Cu/Sn
Rated Current .....Ind. drops 20 % at Isat
Temperature Rise .....40 °C at rated Irms
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
5.2
(.205)
MAX.
5.0
(.197)
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 and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.