SRP1235-1R8M Bourns Inc., SRP1235-1R8M Datasheet
SRP1235-1R8M
Manufacturer Part Number
SRP1235-1R8M
Description
INDUCTOR POWER
Manufacturer
Bourns Inc.
Series
SRP1235r
Datasheet
1.SRP1235-R67M.pdf
(3 pages)
Specifications of SRP1235-1R8M
Product
Shielded Power Inductors
Test Frequency
100 KHz
Inductance
1.8 uH
Maximum Dc Current
16.5 Amps
Maximum Dc Resistance
7 mOhms
Self Resonant Frequency
32 MHz
Dimensions
13.9 mm W x 13.9 mm L x 3.7 mm H
Operating Temperature Range
- 55 C to + 150 C
Termination Style
SMD/SMT
Package / Case
1235
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
*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.
Soldering Profile
Electrical Schematic
Electrical Specifications
Bourns Part No.
SRP1235-R10M
SRP1235-R15M
SRP1235-R22M
SRP1235-R33M
SRP1235-R47M
SRP1235-R60M
SRP1235-R67M
SRP1235-R68M
SRP1235-R82M
SRP1235-1R0M
SRP1235-1R2M
SRP1235-1R5M
SRP1235-1R8M
SRP1235-2R2M
SRP1235-3R3M
SRP1235-4R7M
SRP1235-5R6M
SRP1235-6R8M
SRP1235-8R2M
SRP1235-100M
275
225
175
125
75
25
0
150 °C
<1> Maximum of 10 seconds
between +255 °C and +260 °C
50
Ramp Up
4 °C/second maximum
L (µH) ±20 %
120-150 seconds
Inductance
0.10
0.15
0.22
0.33
0.47
0.60
0.67
0.68
0.82
1.00
1.20
1.50
1.80
2.20
3.30
4.70
5.60
6.80
8.20
10.0
100
190°C
<1> 255 °C
Time (Seconds)
220 °C
I rms
43.0
41.0
38.5
36.5
32.0
29.0
28.0
28.0
25.0
24.0
21.0
19.0
16.5
16.0
12.0
10.0
10.0
8.5
7.0
(A)
150
9.0
10 seconds minimum
SRP1235 Series - Shielded Power Inductors
Features
■
■
■
■
■
■
Shielded construction
Unit height of 3.7 mm
Inductance range: 0.1 µH to 10 µH
Current up to 43 A
Lead free
RoHS compliant*
60 seconds
maximum
I sat
9.5
(A)
56
50
50
50
44
42
40
40
38
36
29
28
24
20
18
16
14
13
12
200
260 °C peak
(mΩ) max.
DCR
0.96
1.2
1.3
1.5
2.0
2.5
2.5
2.5
3.0
3.5
4.5
5.5
12
15
18
22
28
34
250
7
8
Ramp Down
5 °C/second
(MHz) typ.
SRF
105
100
94
90
85
73
72
72
65
60
37
37
32
27
20
16
15
14
12
11
300
(0.547)
MAX.
(0.118 ± 0.020)
13.9
Applications
■
■
Test Voltage...................................0.25 V
Test Frequency ..........................100 KHz
Reflow Soldering .....230 ˚C; 50 sec max.
Operating Temperature ..-55 °C to +150 °C
Storage Temperature..-55 °C to +150 °C
Resistance to Soldering Heat
Core...................................................Iron
Wire .............................Enameled copper
Terminal .........................................Cu/Sn
Rated Current.......Ind. drops 20 % at I sat
Temperature Rise..........40 ˚C at rated I rms
Packaging .......600 pcs. per 13-inch reel
General Specifications
Materials
Product Dimensions
3.0 ± 0.5
Recommended Layout
..............................+260 °C for 10 sec.
Input/output of DC/DC converters
Power supplies for:
•
•
•
•
Portable communications equipment
Camcorders
LCD TVs
Car audio systems
(0.500 ± 0.012)
12.7 ± 0.3
(0.500 ± 0.012)
R68
(0.547)
12.7 ± 0.3
13.9
(Temperature rise included)
DIMENSIONS:
(0.591)
MAX.
15.0
(0.098 ± 0.020)
2.5 ± 0.5
(.276)
7.0
(INCHES)
MM
(.177)
4.5
(.138)
(.146)
3.5
3.7
MAX.
MAX.
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SRP1235-1R8M Summary of contents
Page 1
... SRP1235-R33M 0.33 SRP1235-R47M 0.47 SRP1235-R60M 0.60 SRP1235-R67M 0.67 SRP1235-R68M 0.68 SRP1235-R82M 0.82 SRP1235-1R0M 1.00 SRP1235-1R2M 1.20 SRP1235-1R5M 1.50 SRP1235-1R8M 1.80 SRP1235-2R2M 2.20 SRP1235-3R3M 3.30 SRP1235-4R7M 4.70 SRP1235-5R6M 5.60 SRP1235-6R8M 6.80 SRP1235-8R2M 8.20 SRP1235-100M 10.0 Soldering Profile 275 <1> Maximum of 10 seconds between +255 ° ...
Page 2
... DC Current (A) SRP1235-1R0M 1.50 100 1.35 90 1.20 80 1.05 70 0.90 60 0.75 50 0.60 40 0.45 30 0. Current (A) SRP1235-1R8M 3.0 100 2.7 90 2.4 80 2.1 70 1.8 60 1.5 50 1.2 40 0.9 30 0 Current (A) SRP1235-R15M 0.30 100 0.27 90 0.24 80 0.21 70 0.18 60 0.15 50 0.12 40 0.09 30 0.06 20 0.03 ...
Page 3
... SRP1235 Series - Shielded Power Inductors L vs. I Charts SRP1235-4R7M 8.0 100 7.2 90 6.4 80 5.6 70 4.8 60 4.0 50 3.2 40 2.4 30 1 Current (A) SRP1235-8R2M 12.0 100 2.4 4.8 7.2 9 Current (A) Packaging Specifications 2.0 ± 0.5 (.079 ± .020) 330.0 (13.00) DIA. 21.0 ± 0.8 (.827 ± ...