Features
Applications
nꢀ Shieldedꢀconstruction
nꢀ Carbonylꢀpowderꢀcore
nꢀ Highꢀsaturationꢀcurrent
nꢀ Inductanceꢀrange:ꢀ0.20ꢀtoꢀ22ꢀµH
nꢀ AEC-Q200ꢀqualified
nꢀ Automotiveꢀsystems:ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
-ꢀꢀDriverꢀassistantꢀ
-ꢀꢀInformationꢀ
-ꢀꢀEntertainmentꢀ
-ꢀꢀLighting
7
4
8
R
1
3
1
nꢀ DC/DCꢀconverters
nꢀ Powerꢀsupplies
nꢀ RoHSꢀcompliant*ꢀandꢀhalogenꢀfree**
ꢀ
ꢀꢀSRP1245AꢀSeriesꢀ-ꢀShieldedꢀPowerꢀInductors
Electrical Specifications @ 25 °C
General Specifications
Test Voltage....................................1.0 V
Test Frequency.........................100 KHz
Operating Temperature
................................-40 °C to +150 °C
(Temperature rise included)
Inductance
@ 100 KHz
Q (Min.)
@100 KHz (MHz) (mW)
/ 1 V
SRF
DCR
DCR
(mW)
Max.
Irms
(A)
Bourns
Part Number
Isat
(A)
Terminal
Type
/ 1 V
Typ.
Typ.
L
(µH)
Tol.
(%)
Storage Temperature .. -40 °C to +125 °C
Rated Current
............ Inductance drops 20 % at Isat
Temperature Rise.....40 °C at rated Irms
Resistance to Soldering Heat
........................ +260 °C, 40 sec. max.
Moisture Sensitivity Level.....................1
ESD Classification (HBM)...................3B
SRP1245A-R20M 0.20
SRP1245A-R22M 0.22
SRP1245A-R33M 0.33
SRP1245A-R36M 0.36
SRP1245A-R39M 0.39
SRP1245A-R47M 0.47
SRP1245A-R50M 0.50
SRP1245A-R56M 0.56
SRP1245A-R68M 0.68
SRP1245A-R82M 0.82
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
10
10
15
15
15
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
130
120
90
80
78
70
65
60
50
45
40
35
30
27
24
23
22
15
13
12
12
11
10
7
0.45
0.5
0.7
0.75
0.78
0.86
0.9
1
1.4
1.7
1.85
2.5
2.8
4
4.2
4.7
6.8
11.4
12.3
13
14.5
16.8
21.4
40
0.55
0.7
0.9
0.95
0.95
1.1
1.3
1.5
1.7
2.1
2.5
3.0
3.3
4.9
5.5
6.7
9.2
15.0
16.5
16.5
18.5
22.5
25.5
45.0
58
52
52
42
42
42
38
37
36
34
31
29
28
27
21
20
17
15
12
11.5
11.5
11
110
110
80
75
70
65
60
55
54
52
50
49
48
40
32
32
32
27
22
21.5
21
18
16
11
Non-
Lead
Frame
Materials
SRP1245A-1R0M
SRP1245A-1R2M
SRP1245A-1R5M
SRP1245A-1R8M
SRP1245A-2R2M
SRP1245A-2R7M
SRP1245A-3R3M
SRP1245A-4R7M
SRP1245A-5R6M
SRP1245A-6R0M
SRP1245A-6R8M
SRP1245A-8R2M
SRP1245A-100M
SRP1245A-180M
SRP1245A-220M
1.0
1.2
1.5
1.8
2.2
2.7
3.3
4.7
5.6
6.0
6.8
8.2
10
Core.............................Carbonyl powder
Wire ............................Enameled copper
Terminal Finish ...................................Sn
Packaging....... 500 pcs. per 13-inch reel
How to Order
SRP1245A - 100M
Lead
Frame
Model
Value Code (see table)
9.5
9
7.5
6.5
Electrical Schematic
18
22
6
50
10
Product Dimensions
Non-Lead Frame Terminal
Lead Frame Terminal
13.5ꢀ ꢀ0.5
(.531ꢀ ꢀ.020)
Recommended Layout
13.5ꢀ ꢀ0.5
(.531ꢀ ꢀ.020)
14.2
(.559)
R20
3R3
5.0
(.197)
1510
1510
8.0
(.315)
12.5ꢀ ꢀ0.3
(.492ꢀ ꢀ.012)
4.8ꢀ ꢀ0.2
(.189ꢀ+ꢀ.008)
12.5ꢀ ꢀ0.3
(.492ꢀ ꢀ.012)
4.8ꢀ ꢀ0.2
(.189ꢀ+ꢀ.008)
2.75ꢀ ꢀ0.35
(.108ꢀ ꢀ.014)
Please consult Bourns® Model SRP-A
Series Visual Inspection Guide for detailed
construction, processing and testing
information.
2.75ꢀ ꢀ0.35
(.108ꢀ ꢀ.014)
2.3ꢀ ꢀ0.3
(.091ꢀ ꢀ.012)
2.0
(.079)
REF.
2.3ꢀ ꢀ0.3
(.091ꢀ ꢀ.012)
2.0
(.079)
REF.
*ꢀꢀRoHSꢀDirectiveꢀ2002/95/ECꢀJan.ꢀ27,ꢀ2003ꢀincludingꢀ
ꢀꢀꢀꢀannexꢀandꢀRoHSꢀRecastꢀ2011/65/EUꢀJuneꢀ8,ꢀ2011.ꢀ
**Bournsꢀconsidersꢀaꢀproductꢀtoꢀbeꢀ“halogenꢀfree”ꢀifꢀꢀ
ꢀꢀꢀꢀ(a)ꢀtheꢀBromineꢀ(Br)ꢀcontentꢀisꢀ900ꢀppmꢀorꢀless;ꢀ(b)ꢀꢀ
ꢀꢀꢀꢀtheꢀChlorineꢀ(Cl)ꢀcontentꢀisꢀ900ꢀppmꢀorꢀless;ꢀandꢀ(c)ꢀꢀ
ꢀꢀꢀꢀtheꢀtotalꢀBromineꢀ(Br)ꢀandꢀChlorineꢀ(Cl)ꢀcontentꢀisꢀꢀ
ꢀꢀꢀꢀ1500ꢀppmꢀorꢀless.
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.
Theꢀdeviceꢀcharacteristicsꢀandꢀparametersꢀinꢀthisꢀdataꢀ
sheetꢀcanꢀandꢀdoꢀvaryꢀinꢀdifferentꢀapplicationsꢀandꢀ
actualꢀdeviceꢀperformanceꢀmayꢀvaryꢀoverꢀtime.
Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀ
specificꢀapplications.
GRADUATED
LINE
GRADUATED
LINE
4.7ꢀ ꢀ0.3
(.185ꢀ ꢀ.012)
4.7ꢀ ꢀ0.3
(.185ꢀ ꢀ.012)
ꢀ
MM
(INCHES)
DIMENSIONS:
ꢀ
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