SRP1270-R47M

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*
SRP1270 Series - Shielded Power Inductors
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifi cations 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 specifi c applications.
Electrical Specifi cations
Product Dimensions
DIMENSIONS:
MM
(INCHES)
Recommended Layout
Soldering Profi le
25
75
125
175
225
275
0 50 100 150 200 250 300
Time (Seconds)
Temperature (°C)
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 Specifi cations
Test Voltage ....................................1.0 V
Test Frequency ......................... 100 KHz
Refl ow 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
*RoHS COMPLIANT
Bourns Part No.
Inductance
L (μH) ±20 %
I rms
(A)
I sat
(A)
DCR
(mΩ) 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
This series is currently available,
but not recommended for new
designs. The newer SRP1265A
series is recommended.
SRP1270 Series - Shielded Power Inductors
L vs. I Charts
0
010203040 60
0.2
0.4
0.6
0.8
1.0
0
10
20
30
40
50
60
70
80
90
100
Inductance (μH)
DC Current (A)
SRP1270-R68M
Temperature Rise (°C)
50
0
0132639 65
0.1
0.2
0.3
0.5
0.6
0
10
20
30
40
50
60
70
80
90
100
Inductance (μH)
DC Current (A)
SRP1270-R47M
Temperature Rise (°C)
0.4
52
0
01020304050
0.2
0.4
0.6
0.8
1.0
1.2
0
10
20
30
40
50
60
70
80
90
100
Inductance (μH)
DC Current (A)
SRP1270-1R0M
Temperature Rise (°C)
0
0 8 16 24 32 48
0.5
1.0
1.5
2.0
2.5
0
10
20
30
40
50
60
70
80
90
100
Inductance (μH)
DC Current (A)
SRP1270-1R5M
Temperature Rise (°C)
40
0
010203040
0.5
1.0
1.5
2.0
2.5
0
10
20
30
40
50
60
70
80
90
100
Inductance (μH)
DC Current (A)
SRP1270-2R2M
Temperature Rise (°C)
0
0 7 14 21 35
0.8
1.6
2.4
3.2
4.0
0
10
20
30
40
50
60
70
80
90
100
Inductance (μH)
DC Current (A)
SRP1270-3R3M
Temperature Rise (°C)
28
0
0 6 12 18 30
1.0
2.0
3.0
4.0
5.0
6.0
0
10
20
30
40
50
60
70
80
90
100
Inductance (μH)
DC Current (A)
SRP1270-4R7M
Temperature Rise (°C)
24
0
0 4.2 8.4 12.6 21
3.0
6.0
9.0
12.0
0
10
20
30
40
50
60
70
80
90
100
Inductance (μH)
DC Current (A)
SRP1270-6R8M
Temperature Rise (°C)
16.8
0
048 16
3.0
6.0
9.0
12.0
15.0
0
10
20
30
40
50
60
70
80
90
100
Inductance (μH)
DC Current (A)
SRP1270-100M
Temperature Rise (°C)
12
0
0 3.2 6.4 16
2.8
5.6
8.4
11.2
14.0
0
20
40
60
80
100
Inductance (μH)
DC Current (A)
SRP1270-8R2M
Temperature Rise (°C)
9.6 12.8
0
0 5.3 10.6 15.9 26.5
1.8
3.6
5.4
7.2
9.0
0
20
40
60
80
100
Inductance (μH)
DC Current (A)
SRP1270-5R6M
Temperature Rise (°C)
21.2
0
01326395265
0.1
0.2
0.3
0.4
0.5
0
20
40
60
80
100
Inductance (μH)
DC Current (A)
SRP1270-R32M
Temperature Rise (°C)
0
0 8.2 16.4 24.6 32.8
0.5
1.0
1.5
2.0
2.5
0
10
20
30
40
50
60
70
80
90
100
Inductance (μH)
DC Current (A)
SRP1270-1R8M
Temperature Rise (°C)
41
Applications
Input/output of DC/DC converters
Power supplies for:
• Portable communications equipment
• Camcorders
• LCD TVs
• Car audio systems
Specifi cations 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 specifi c applications.
3312 - 2 mm SMD Trimming Potentiometer
SRP1270 Series - Shielded Power Inductors
Packaging Specifi cations
EMBOSSED
CARRIER
EMBOSSED
CAVITY
0.10
(.004)
THICKNESS
MAX.
DIMENSIONS:
MM
(INCHES)
REV. 06/14
24.0 ± 0.5
(0.95 ± 0.020)
2.0 ± 0.5
(.079 ± .020)
100.0 ± 2.0
(3.94 ± .079)
330.0
(13.00)
DIA.
13.5 ± 0.5
(.53 ± .020)
DIA.
13.5 ± 0.5
(0.53 ± .020)
DIA.
1.5 ± 0.1
(0.059 ± 0.004)
0.15
(0.0006)
2.0 ± 0.1
(0.079 ± 0.004)
4.0 ± 0.1
(0.157 ± 0.004)
DIA.
DIA.
0.50 ± 0.05
(0.020 ± 0.002)
6.9 ± 0.1
(0.272 ± 0.004)
14.2 ± 0.1
(0.559 ± 0.004)
20.5 ± 0.1
(0.807 ± 0.004)
13.2 ± 0.1
(0.520 ± 0.004)
24.0 ± 0.3
(0.95 ± 0.012)
1.75 ± 0.1
(.069 ± 0.004)
2.7 ± 0.3
(.106 ± 0.012)
Specifi cations 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 specifi c applications.

SRP1270-R47M

Mfr. #:
Manufacturer:
Bourns
Description:
Fixed Inductors 0.47uH 20% SMD 1270
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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