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SRP1040-330M

P1-P3P4-P4
SRP1040 Series - Shielded Power Inductors
*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.
Features
â–  Shielded construction
â–  Unit height of 4.2 mm
■ Inductance range: 0.15 µH to 47 µH
â–  Current up to 34 A
â–  RoHS compliant*
**Models SRP1040-220M,
-330M & -470M are currently
available but not recommended
for new designs.
Electrical Specifications
Product Dimensions
R68
12.4
(0.488)
10.7 ± 0.5
(0.421 ± 0.020)
11.8
(0.465)
MAX.
MAX.
2.2 ± 0.5
(0.087 ± 0.020)
2.9 ± 0.5
(0.114 ± 0.020)
4.5
(.177)
10.0 ± 0.5
(0.394 ± 0.020)
10.5
(0.413)
MAX.
5.4
(.213)
4.0
(.157)
MAX.
4.2
(.165)
General Specifications
Test Voltage...................................0.25 V
Test Frequency ..........................100 KHz
Reflow Soldering.....230 ËšC; 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 I sat
Temperature Rise..........40 ËšC at rated I rms
Packaging .......900 pcs. per 13-inch reel
Recommended Layout
Electrical Schematic
Inductance I rms I sat DCR
Bourns Part No.
L (µH) ±20 % (A) (A) (mΩ) max.
SRP1040-R15M 0.15 34 40 1.3
SRP1040-R20M 0.20 32 40 1.0
SRP1040-R36M 0.36 28 40 1.4
SRP1040-R39M 0.39 24 32 1.4
SRP1040-R47M 0.47 26 38 1.6
SRP1040-R50M 0.50 23 32 1.9
SRP1040-R56M 0.56 25 36 1.9
SRP1040-R68M 0.68 23 32 2.4
SRP1040-R75M 0.75 22 28 2.5
SRP1040-R80M 0.80 21 30 3.0
SRP1040-1R0M 1.0 20 28 3.5
SRP1040-1R2M 1.2 18 24 4.7
SRP1040-1R5M 1.5 12 20 7.5
SRP1040-1R7M 1.7 15 18 7.5
SRP1040-2R2M 2.2 12 17 8.6
SRP1040-2R5M 2.5 11.5 14 8.7
SRP1040-3R3M 3.3 10 14 10
SRP1040-3R9M 3.9 9.0 15 12
SRP1040-4R7M 4.7 8.0 13 14
SRP1040-5R6M 5.6 7.0 12 16
SRP1040-6R8M 6.8 6.5 11 24
SRP1040-8R2M 8.2 5.0 8.0 33
SRP1040-100M 10 5.0 9.0 35
SRP1040-150M 15 5.0 7.0 57
SRP1040-220M** 22 3.5 6.0 62
SRP1040-330M** 33 3.0 5.0 87
SRP1040-470M** 47 2.0 3.0 160
*RoHS COMPLIANT
Soldering Profile
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
DIMENSIONS:
MM
(INCHES)
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
SRP1040 Series - Shielded Power Inductors
L vs. I Charts
0
0 4 8 1216202428323640
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0
10
20
30
40
50
60
70
80
90
100
Inductance (μH)
DC Current (A)
SRP1040-R36M
Temperature Rise (°C)
0
0 3 6 9 12 15 18 21 24 27
30 33
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
0
10
20
30
40
50
60
70
80
90
100
Inductance (μH)
DC Current (A)
SRP1040-R68M
Temperature Rise (°C)
0
02 4 6 81012141618
2220 24
0.4
0.8
1.2
1.6
2.0
2.4
2.8
3.2
3.6
4.0
0
10
20
30
40
50
60
70
80
90
100
Inductance (μH)
DC Current (A)
SRP1040-2R2M
Temperature Rise (°C)
0
36 9121518212427 30
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
0
10
20
30
40
50
60
70
80
90
100
Inductance (μH)
DC Current (A)
SRP1040-1R0M
Temperature Rise (°C)
0
0 4 8 1216202428323640
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0
10
20
30
40
50
60
70
80
90
100
Inductance (μH)
DC Current (A)
SRP1040-R47M
Temperature Rise (°C)
0
46
8
10 12
14 16 18 20 22 24 26 28 30 32 34 36 38
0.15
0.30
0.45
0.60
0.75
0.90
1.05
1.20
1.35
1.50
0
10
20
30
40
50
60
70
80
90
100
Inductance (μH)
DC Current (A)
SRP1040-R56M
Temperature Rise (°C)
0
02 46810 1412 16 2018 22
0.4
0.8
1.2
1.6
2.0
2.4
2.8
3.2
3.6
4.0
0
10
20
30
40
50
60
70
80
90
100
Inductance (μH)
DC Current (A)
SRP1040-1R5M
Temperature Rise (°C)
0
04 81216202428323640
0.05
0.1
0.15
0.2
0.25
0
10
Inductance (μH)
DC Current (A)
SRP1040-R20M
Temperature Rise (°C)
20
30
40
50
60
70
80
90
100
0
04
8121620242832
0.2
0.1
0.3
0.5
0.4
0.6
0.7
0.8
0.9
1.0
0
10
Inductance (μH)
DC Current (A)
SRP1040-R80M
Temperature Rise (°C)
20
30
40
50
60
70
80
90
100
0
0 9 18 27 36 45
0.06
0.12
0.18
0.24
0.3
0
Inductance (μH)
DC Current (A)
SRP1040-R15M
Temperature Rise (°C)
20
40
60
80
100
0
0 6.2 12.4 18.6 24.8 31
0.3
0.6
0.9
1.2
1.5
0
Inductance (μH)
DC Current (A)
SRP1040-R75M
Temperature Rise (°C)
20
40
60
80
100
0
0 4.4 8.8 13.2 17.6 22
0.6
1.2
1.8
2.4
3
0
Inductance (μH)
DC Current (A)
SRP1040-1R2M
Temperature Rise (°C)
20
40
60
80
100
0
048121620
0.6
1.2
1.8
2.4
3
0
Inductance (μH)
DC Current (A)
SRP1040-1R7M
Temperature Rise (°C)
20
40
60
80
100
0
0 7.6 15.2 22.8 30.4 38
0.12
0.24
0.36
0.48
0.6
0
20
40
60
80
100
Inductance (μH)
DC Current (A)
SRP1040-R39M
Temperature Rise (°C)
0
0 7.2 14.4 21.6 28.8 36
0.14
0.28
0.42
0.56
0.7
0
20
40
60
80
100
Inductance (μH)
DC Current (A)
SRP1040-R50M
Temperature Rise (°C)
Applications
â–  Input/output of DC/DC converters
â–  Power supplies for:
• Portable communications equipment
• Camcorders
• LCD TVs
• Car audio systems
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
SRP1040 Series - Shielded Power Inductors
L vs. I Charts
0
01 2 3 4567 89
1110 12
1.5
3.0
4.5
6.0
7.5
9.0
10.5
12.0
13.5
15.0
0
10
20
30
40
50
60
70
80
90
100
Inductance (μH)
DC Current (A)
SRP1040-5R6M
Temperature Rise (°C)
0
024 68101216
0.8
1.6
2.4
3.2
4.0
4.8
5.6
6.4
7.2
8.0
0
10
20
30
40
50
60
70
80
90
100
Inductance (μH)
DC Current (A)
SRP1040-4R7M
Temperature Rise (°C)
0
02 4 681012
14 16
0.8
1.6
2.4
3.2
4.0
4.8
5.6
6.4
7.2
8.0
0
10
20
30
40
50
60
70
80
90
100
Inductance (μH)
DC Current (A)
SRP1040-3R3M
Temperature Rise (°C)
0
0 3 6 9 12 15
1.2
2.4
3.6
4.8
6.0
0
20
40
60
80
100
Inductance (μH)
DC Current (A)
SRP1040-3R9M
Temperature Rise (°C)
0
01 2 34 5 6 7
89
1.5
3.0
4.5
6.0
7.5
9.0
10.5
12.0
13.5
15.0
0
10
20
30
40
50
60
70
80
90
100
Inductance (μH)
DC Current (A)
SRP1040-8R2M
Temperature Rise (°C)
0
0123456789
1.5
3.0
4.5
6.0
7.5
9.0
10.5
12.0
0
10
Inductance (μH)
DC Current (A)
SRP1040-100M
Temperature Rise (°C)
20
30
40
50
60
70
80
90
100
0
0 1.2 2.4 3.6 4.8 6.0
7
14
21
28
35
0
10
Inductance (μH)
DC Current (A)
SRP1040-220M
Temperature Rise (°C)
20
30
40
50
60
70
80
90
100
0
0 0.6 1.2 1.8 2.4 3.0
14
28
42
56
70
0
10
Inductance (μH)
DC Current (A)
SRP1040-470M
Temperature Rise (°C)
20
30
40
50
60
70
80
90
100
0
0 1.4 2.8
4.2 5.6 7.0
5
10
15
20
25
0
10
Inductance (μH)
DC Current (A)
SRP1040-150M
Temperature Rise (°C)
20
30
40
50
60
70
80
90
100
0
01 2
34 5
10
20
30
40
50
0
10
Inductance (μH)
DC Current (A)
SRP1040-330M
Temperature Rise (°C)
20
30
40
50
60
70
80
90
100
0
0481216
0.8
1.6
2.4
3.2
4.0
0
20
40
60
80
100
Inductance (μH)
DC Current (A)
SRP1040-2R5M
Temperature Rise (°C)
0
04 61216
2
4
6
8
10
12
0
10
20
30
40
50
60
70
80
90
100
Inductance (μH)
DC Current (A)
SRP1040-6R8M
Temperature Rise (°C)
P1-P3P4-P4

SRP1040-330M

Mfr. #:
Buy SRP1040-330M
Manufacturer:
Bourns
Description:
Fixed Inductors 33uH 20% SMD 1040
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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