Features
■ Shielded construction
■ Metal alloy powder core
■ High saturation current
■ Low buzz noise
■ Inductance range: 0.15 to 22 µH
■ RoHS compliant* and halogen free**
R47
1933H
SRP1245C Series - Shielded Power Inductors
Electrical Specifications @ 25 °C
General Specifications
Operating Temperature
................................-40 °C to +125 °C
(Temperature rise included)
Storage Temperature .. -40 °C to +125 °C
Rated Current
Inductance
@ 100 kHz
Irms
(A)
Typ.
Isat
(A)
Typ.
SRF
(MHz) (mΩ)
Typ.
DCR
DCR
(mΩ)
Max.
Bourns
Part Number
Q (Min.)
@100 kHz
Terminal
Type
/ 1 V
Typ.
L
(μH)
Tol.
(%)
............ Inductance drops 30 % at Isat
Temperature Rise... 40 °C at rated Irms1
Moisture Sensitivity Level.....................1
ESD Classification (HBM).................N/A
SRP1245C-R15Y 0.15
SRP1245C-R22M 0.22
SRP1245C-R36M 0.36
SRP1245C-R47M 0.47
SRP1245C-R68M 0.68
30
20
20
20
20
20
20
20
20
20
20
20
20
20
20
15
15
20
20
20
20
20
20
20
20
20
20
20
20
20
147
120
100
70
58
42
32
27
25
20
16
13
10
8
0.36
0.5
0.75
0.96
1.4
2
3
4.3
7.3
11.4
14.5
18.6
21.4
32.6
50
0.41
0.55
0.83
1.15
1.6
2.4
3.5
5
8.4
55
48
41
38
32
30
27
25
20
14
12
11.5
11
100
95
80
65
54
50
48
40
32
27
23
20
17
13
11
non-
leadframe
1
Circuit design, component, PCB trace
SRP1245C-1R0M
SRP1245C-1R5M
SRP1245C-2R2M
SRP1245C-3R3M
SRP1245C-4R7M
SRP1245C-6R8M
SRP1245C-8R2M
SRP1245C-100M
SRP1245C-150M
SRP1245C-220M
1.0
1.5
2.2
3.3
4.7
6.8
8.2
10
size and thickness, airflow and other
cooling provisions all can affect the part
temperature. Part temperature should be
verified in the end application.
15
leadframe
16.7
21.5
25.5
38
Materials
Core..........................Metal alloy powder
Wire ............................Enameled copper
Terminal Finish ...................................Sn
Packaging....... 500 pcs. per 13-inch reel
15
22
9
7.5
6
58
Product Dimensions
How to Order
Non-Lead Frame Terminal
SRP1245C - 100M
13.5 0.5
(.531 .020)
Model
12.6 0.3
(.496 .012)
4.7 0.3
(.185 .012)
2.6 0.4
(.102 .016)
Value Code (see table)
Recommended Layout
R47
YYWWH
14.5
(.571)
5.0
(.197)
12.6 0.2
(.496 .008)
E
MM
(INCHES)
DIMENSIONS:
8.0
(.315)
Lead Frame Terminal
13.5 0.5
(.531 .020)
Please consult Bourns® Model SRP-A
Series Visual Inspection Guide for detailed
construction, processing and testing
information.
12.6 0.3
(.496 .012)
4.7 0.3
(.185 .012)
2.6 0.4
(.102 .016)
100
YYWWH
*
RoHS Directive 2015/863, Mar 31, 2015 and Annex.
**Bourns considers a product to be “halogen free” if
(a) the Bromine (Br) content is 900 ppm or less; (b)
the Chlorine (Cl) content is 900 ppm or less; and (c)
the total Bromine (Br) and Chlorine (Cl) content is
1500 ppm or less.
12.6 0.2
(.496 .008)
E
4.0 0.3
(.157 .012)
E:
E:
SRP1245C-R47M through -R68M:
Specifications are subject to change without notice.
Users should verify actual device performance in their
specific applications. The products described herein and
this document are subject to specific legal disclaimers as
set forth on the last page of this document, and at
www.bourns.com/docs/legal/disclaimer.pdf.
4.7 0.3
(.185 .012)
SRP1245C-R15Y through -R36M
and SRP1245C-1R0M through -2R2M:
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov