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SRP1270-3R3M Datasheet(PDF) 1 Page - Bourns Electronic Solutions

Part # SRP1270-3R3M
Description  SRP1270 Series - Shielded Power Inductors
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Manufacturer  BOURNS [Bourns Electronic Solutions]
Direct Link  http://www.bourns.com
Logo BOURNS - Bourns Electronic Solutions

SRP1270-3R3M Datasheet(HTML) 1 Page - Bourns Electronic Solutions

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1R2
12.9
(0.508)
12.9
(0.508)
13.7
(0.539)
MAX.
MAX.
MAX.
2.5 ± 0.5
(0.098 ± 0.020)
3.0 ± 0.5
(0.118 ± 0.020)
13.7
(0.539)
MAX.
MAX.
6.5
(.256)
MAX.
7.0
(.276)
15.0
(0.591)
4.5
(.177)
7.0
(.276)
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
*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.
Electrical Specifications
Product Dimensions
DIMENSIONS:
MM
(INCHES)
Recommended Layout
Soldering Profile
25
75
125
175
225
275
0
50
100
150
200
250
300
Time (Seconds)
120 -150 seconds
60 seconds
maximum
260 °C peak
190°C
150 °C
220 °C
Ramp Down
5 °C/second
<1> 255 °C
<1> Maximum of 10 seconds
between +255 °C and +260 °C
Ramp Up
4 °C/second maximum
10 seconds minimum
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
Bourns Part No.
Inductance
L (
μH) ±20 %
I rms
(A)
I sat
(A)
DCR
(m
Ω) Max.
SRF
(MHz) Typ.
SRP1270-R32M
0.32
46
65
0.9
95
SRP1270-R47M
0.47
41
65
1.2
85
SRP1270-R68M
0.68
35
60
1.6
65
SRP1270-1R0M
1.0
32
50
2.1
45
SRP1270-1R5M
1.5
27
48
2.6
31
SRP1270-1R8M
1.8
24
41
3.2
31
SRP1270-2R2M
2.2
22
40
4.2
25
SRP1270-3R3M
3.3
18
35
6.6
20
SRP1270-4R7M
4.7
15
30
11.2
15
SRP1270-5R6M
5.6
14
26.5
10.0
13
SRP1270-6R8M
6.8
12
21
14.0
12
SRP1270-8R2M
8.2
11
17
15.5
11
SRP1270-100M
10.0
10
16
16.8
10


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