Features
Applications
■ Shielded construction
■ Unit height of 3.7 mm
■ Inductance range: 0.1 to 10 μH
■ Current up to 43 A
■ RoHS compliant*
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communications equipment
• Camcorders
• LCD TVs
• Car audio systems
SRP1235 Series - Shielded Power Inductors
General Specifications
Electrical Specifications
Test Voltage..................................0.25 V
Test Frequency......................... 100 KHz
Reflow Soldering .. 230 °C; 50 sec. max.
Operating Temperature
Inductance
I rms
(A)
I sat
(A)
DCR
SRF
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
L (μH) ±±2 ꢀ
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
(mΩ) Max.
(MHz) Typ.
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
9.0
56
50
50
50
44
42
40
40
38
36
29
28
24
20
18
16
14
13
12
9.5
0.96
1.2
1.3
1.5
2.0
2.5
2.5
2.5
3.0
3.5
4.5
5.5
7
8
12
15
18
22
28
34
105
100
94
90
85
73
72
72
65
60
37
37
32
27
20
16
15
14
12
11
................................-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 Isat
Temperature Rise.....40 °C at rated Irms
Packaging....... 600 pcs. per 13-inch reel
Product Dimensions
1ꢀ.9
(0.547)
ꢀ.7
(.146)
MAX.
MAX.
12.7 0.ꢀ
(0.500 0.012)
ꢀ.5
(.1ꢀ8)
MAX.
8.5
7.0
1ꢀ.5
(0.5ꢀ1)
MAX.
R68
Soldering Profile
275
260 °C peak
<1>Maximum of 10 seconds
between +255 °C and +260 °C
<1> 255 °C
220 °C
12.7 0.ꢀ
(0.500 0.012)
225
175
190°C
Ramp Down
5 °C/second
60 seconds
maximum
150 °C
125
75
120-150 seconds
ꢀ.0 0.5
(0.118 0.020)
10 seconds minimum
Ramp Up
4 °C/second maximum
2.5 0.5
(0.098 0.020)
25
0
50
100
150
200
250
300
Time (Seconds)
Recommended Layout
Electrical Schematic
4.5
(.177)
15.0
(0.591)
7.0
(.276)
MM
(INCHES)
DIMENSIONS:
*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.
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 specific applications.