ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀThisꢀseriesꢀisꢀcurrentlyꢀavailable,ꢀꢀ
ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀbutꢀnotꢀrecommendedꢀforꢀnewꢀꢀ
ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀdesigns.ꢀTheꢀnewerꢀSRP1038Aꢀ
seriesꢀisꢀrecommended.ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ
Features
nꢀ Shieldedꢀconstruction
nꢀ Unitꢀheightꢀofꢀ4.2ꢀmm
nꢀ Inductanceꢀrange:ꢀ0.15ꢀtoꢀ15ꢀμH
nꢀ Currentꢀupꢀtoꢀ34ꢀA
nꢀ RoHSꢀcompliant*
2R2
1725
SRP1040 Series - Shielded Power Inductors
General Specifications
Electrical Specifications
Test Voltage.......................................1 V
Test Frequency.........................100 KHz
Reflow Soldering .. 230 °C; 50 sec. max.
Operating Temperature
................................-55 °C to +150 °C
(Temperature rise included)
Storage Temperature
................................-55 °C to +150 °C
Resistance to Soldering Heat
Inductance
I rms
(A)
I sat
(A)
DCR
(mΩ) Max.
Bourns Part No.
SRP1040-R15M
SRP1040-R20M
SRP1040-R36M
SRP1040-R39M
SRP1040-R47M
SRP1040-R50M
SRP1040-R56M
SRP1040-R68M
SRP1040-R75M
SRP1040-R80M
SRP1040-1R0M
SRP1040-1R2M
SRP1040-1R5M
SRP1040-1R7M
SRP1040-2R2M
SRP1040-2R5M
SRP1040-3R3M
SRP1040-3R9M
SRP1040-4R7M
SRP1040-5R6M
SRP1040-6R8M
SRP1040-8R2M
SRP1040-100M
SRP1040-150M
L (μH) ±20 %
0.15
0.20
0.36
0.39
0.47
0.50
0.56
0.68
0.75
0.80
1.0
34
32
40
40
40
32
38
32
36
32
28
30
28
24
20
18
17
14
14
15
13
12
11
1.3
1.0
1.4
1.4
1.6
1.9
1.9
2.4
2.5
3.0
3.5
4.7
7.5
7.5
8.6
8.7
10
28
24
26
23
.............................+260 °C for 10 sec.
25
Materials
23
Core..................................................Iron
Wire ............................Enameled copper
Terminal........................................Cu/Sn
Rated Current.....Ind. drops 20 % at Isat
Temperature Rise.....40 °C at rated Irms
Packaging....... 900 pcs. per 13-inch reel
22
21
20
1.2
18
1.5
15
1.7
15
Product Dimensions
2.2
12
4.2
11.8
(0.46ꢀ)
2.5
11.5
10
MAX.
(.16ꢀ)
MAX.
4.0
(.1ꢀ7)
MAX.
3.3
10.7 0.ꢀ
(0.421 0.020)
3.9
9.0
8.0
7.0
6.5
5.0
5.0
5.0
12
4.7
14
10.ꢀ
5.6
16
(0.413)
MAX.
2R2
6.8
24
1725
8.2
8.0
9.0
7.0
33
10
35
15
57
10.0 0.ꢀ
(0.394 0.020)
Soldering Profile
275
260 °C peak
<1>Maximum of 10 seconds
between +255 °C and +260 °C
<1> 255 °C
220 °C
225
175
125
75
2.9 0.ꢀ
(0.114 0.020)
190°C
Ramp Down
5 °C/second
60 seconds
maximum
2.2 0.ꢀ
(0.087 0.020)
150 °C
120-150 seconds
10 seconds minimum
Recommended Layout
Ramp Up
4 °C/second maximum
4.ꢀ
(.177)
12.4
(0.488)
25
0
50
100
150
200
250
300
Time (Seconds)
ꢀ.4
(.213)
ꢀ
MM
(INCHES)
DIMENSIONS:
ꢀ
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov
*RoHSꢀDirectiveꢀ2015/863,ꢀMarꢀ31,ꢀ2015ꢀandꢀAnnex.ꢀ
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.
Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀapplications.ꢀ
Electrical Schematic
Theꢀproductsꢀdescribedꢀhereinꢀandꢀthisꢀdocumentꢀareꢀsubjectꢀtoꢀspecificꢀlegalꢀdisclaimersꢀasꢀsetꢀforthꢀonꢀtheꢀlastꢀpageꢀofꢀ
thisꢀdocument,ꢀandꢀatꢀwww.bourns.com/docs/legal/disclaimer.pdf.