SRP1270 Datasheet, PDF (1/3 Pages) Bourns Electronic Solutions – SRP1270 Series - Shielded Power Inductors

*RoHS ^COMPLIANT
Features
■ Shielded construction
■ Unit height of 7.0 mm max.
■ 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
SRP1270 Series - Shielded Power Inductors
Electrical Specifications
Bourns Part No.
SRP1270-R32M
SRP1270-R47M
SRP1270-R68M
SRP1270-1R0M
SRP1270-1R5M
SRP1270-1R8M
SRP1270-2R2M
SRP1270-3R3M
SRP1270-4R7M
SRP1270-5R6M
SRP1270-6R8M
SRP1270-8R2M
SRP1270-100M
Inductance
L (μH) ±20 %
0.32
0.47
0.68
1.0
1.5
1.8
2.2
3.3
4.7
5.6
6.8
8.2
10.0
I rms
(A)
46
41
35
32
27
24
22
18
15
14
12
11
10
I sat
(A)
65
65
60
50
48
41
40
35
30
26.5
21
17
16
DCR
(mΩ) Max.
0.9
1.2
1.6
2.1
2.6
3.2
4.2
6.6
11.2
10.0
14.0
15.5
16.8
SRF
(MHz) Typ.
95
85
65
45
31
31
25
20
15
13
12
11
10
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 ....................................1.0 V
Test Frequency ......................... 100 KHz
Reflow Soldering .. 230 °C; 50 sec. max.
Operating Temperature
................................-55 °C to +125 °C
(Temperature rise included)
Storage Temperature
................................-55 °C to +125 °C
Resistance to Soldering Heat
............................. +260 °C for 10 sec.
Materials
Core ..................................................Iron
Wire ............................Enameled copper
Adhesive.............................. Epoxy resin
Terminal ....................................Ag/Ni/Sn
Rated Current .....Ind. drops 20 % at Isat
Temperature Rise .....40 °C at rated Irms
Packaging....... 400 pcs. per 13-inch reel
Product Dimensions
13.7
(0.539)
MAX.
12.9
(0.508)
MAX.
MAX.
7.0
(.276)
6.5
(.256)
MAX.
13.7
(0.539)
MAX.
1R2
12.9
(0.508)
MAX.
3.0 ± 0.5
(0.118 ± 0.020)
*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.
Customers should verify actual device performance in their specific applications.
2.5 ± 0.5
(0.098 ± 0.020)
Recommended Layout
15.0
(0.591)
4.5
(.177)
7.0
(.276)
DIMENSIONS:
MM
(INCHES)