CO
M
G E & PL I
AN
N
FR
T*
EE
**
HS
LO
Ro
HA
Features
■ Shielded construction
■ Metal alloy powder core
R 4 73 3 H
19
■ High saturation current
■ Low buzz noise
■ Inductance range: 0.15 to 22 µH
■ RoHS compliant* and halogen free**
SRP1245C Series - Shielded Power Inductors
Electrical Specifications @ 25 °C
Inductance
@ 100 kHz
/1V
Bourns
Part Number
SRP1245C-R15Y
SRP1245C-R22M
SRP1245C-R36M
SRP1245C-R47M
SRP1245C-R68M
SRP1245C-1R0M
SRP1245C-1R5M
SRP1245C-2R2M
SRP1245C-3R3M
SRP1245C-4R7M
SRP1245C-6R8M
SRP1245C-8R2M
SRP1245C-100M
SRP1245C-150M
SRP1245C-220M
L
(μH)
Tol.
(%)
0.15
0.22
0.36
0.47
0.68
1.0
1.5
2.2
3.3
4.7
6.8
8.2
10
15
22
30
20
20
20
20
20
20
20
20
20
20
20
20
20
20
General Specifications
Q (Min.)
@100 kHz
SRF
(MHz)
Typ.
DCR
(mΩ)
Typ.
DCR
(mΩ)
Max.
Irms
(A)
Typ.
Isat
(A)
Typ.
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
6
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
15
16.7
21.5
25.5
38
58
55
48
41
38
32
30
27
25
20
14
12
11.5
11
9
7.5
100
95
80
65
54
50
48
40
32
27
23
20
17
13
11
Terminal
Type
nonleadframe
Operating Temperature
................................-40 °C to +125 °C
(Temperature rise included)
Storage Temperature .. -40 °C to +125 °C
Rated Current
............ Inductance drops 30 % at Isat
Temperature Rise ... 40 °C at rated Irms1
Moisture Sensitivity Level ..................... 1
ESD Classification (HBM)................. N/A
1 Circuit design, component, PCB trace
size and thickness, airflow and other
cooling provisions all can affect the part
temperature. Part temperature should be
verified in the end application.
leadframe
Materials
Core ..........................Metal alloy powder
Wire ............................Enameled copper
Terminal Finish ...................................Sn
Packaging ....... 500 pcs. per 13-inch reel
Product Dimensions
How to Order
Non-Lead Frame Terminal
SRP1245C - 100M
13.5 ± 0.5
(.531 ± .020)
4.7 ± 0.3
(.185 ± .012)
12.6 ± 0.3
(.496 ± .012)
Model
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
DIMENSIONS:
MM
(INCHES)
8.0
(.315)
Lead Frame Terminal
13.5 ± 0.5
(.531 ± .020)
4.7 ± 0.3
(.185 ± .012)
12.6 ± 0.3
(.496 ± .012)
Please consult Bourns® Model SRP-A
Series Visual Inspection Guide for detailed
construction, processing and testing
information.
2.6 ± 0.4
(.102 ± .016)
100
YYWWH
12.6 ± 0.2
(.496 ± .008)
E
E:
SRP1245C-R47M through -R68M:
4.0 ± 0.3
(.157 ± .012)
E:
SRP1245C-R15Y through -R36M
and SRP1245C-1R0M through -2R2M:
4.7 ± 0.3
(.185 ± .012)
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov
* 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.
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.
SRP1245C Series - Shielded Power Inductors
L vs. I Charts
92
0
115
0
20
0.26
40
0.13
20
28
42
56
80
60
0.4
40
0.2
20
0
12
0.8
40
0.4
20
30
40
Inductance (μH)
60
Temperature Rise (°C)
Inductance (μH)
80
20
40
0.5
20
2.6
40
1.3
20
18
24
0
30
Inductance (μH)
60
12
36
80
60
0.6
40
0.3
20
11
80
60
3.6
40
1.8
20
5
10
15
DC Current (A)
22
33
44
SRP1245C-3R3M
5.0
0
55
100
4.0
80
3.0
60
2.0
40
1.0
20
0
0
7
14
21
28
20
0
25
SRP1245C-8R2M
11.0
100
5.4
0
100
0.9
0
0
45
7.2
0
0
90
0
35
DC Current (A)
SRP1245C-6R8M
9.0
Temperature Rise (°C)
Inductance (μH)
80
DC Current (A)
27
72
1.2
0
100
1.5
18
54
DC Current (A)
60
9
36
SRP1245C-1R0M
1.5
0
60
80
0
100
3.9
6
48
2.0
0
0
50
5.2
0
18
DC Current (A)
SRP1245C-4R7M
0
36
2.5
DC Current (A)
6.5
24
SRP1245C-2R2M
3.0
100
1.2
10
0
100
0.6
0
0
70
1.6
0
20
DC Current (A)
SRP1245C-1R5M
0
0.09
DC Current (A)
0.8
DC Current (A)
2.0
0
100
Inductance (μH)
14
Inductance (μH)
60
Temperature Rise (°C)
Inductance (μH)
80
0.39
0
80
SRP1245C-R68M
1.0
100
0.52
0
60
Inductance (μH)
SRP1245C-R47M
0.65
40
40
DC Current (A)
Inductance (μH)
69
DC Current (A)
0.18
0
Temperature Rise (°C)
46
20
0
Temperature Rise (°C)
23
0.06
Temperature Rise (°C)
0
40
60
Temperature Rise (°C)
20
0
0.12
80
0.27
Temperature Rise (°C)
0.05
60
Temperature Rise (°C)
40
80
0.18
100
0.36
100
8.8
80
6.6
60
4.4
40
2.2
20
0
0
5
10
15
20
Temperature Rise (°C)
0.10
0.24
SRP1245C-R36M
0.45
100
Inductance (μH)
60
Inductance (μH)
80
0.15
Temperature Rise (°C)
Inductance (μH)
0.20
SRP1245C-R22M
0.30
100
Temperature Rise (°C)
SRP1245C-R15Y
0.25
0
25
DC Current (A)
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.
SRP1245C Series - Shielded Power Inductors
L vs. I Charts
5.2
40
2.6
20
0
4
0
8
12
16
80
12
60
8
40
4
20
0
0
20
0
3
DC Current (A)
6
9
12
0
15
80
18.0
60
12.0
40
6.0
20
0
0
3
6
DC Current (A)
Soldering Profile
100
24.0
9
12
Temperature Rise (°C)
60
16
SRP1245C-220M
30.0
100
Inductance (μH)
7.8
Inductance (μH)
80
Temperature Rise (°C)
Inductance (μH)
10.4
SRP1245C-150M
20
100
Temperature Rise (°C)
SRP1245C-100M
13.0
0
15
DC Current (A)
Electrical Schematic
PRE-HEATING
SOLDERING
NATURAL
COOLING
TP (260 °C / 10 seconds max.)
Temperature (°C)
tp (245 °C / 20~40 seconds)
Typical Part Marking
INDUCTANCE
CODE
217
200
60 ~ 150 seconds
150
60 ~ 180 seconds
25
480 seconds max.
Time (Seconds)
100
YYWWH
MATERIAL CODE
DATE CODE:
YY = LAST TWO DIGITS OF YEAR
WW = WEEK NUMBER
REFLOW TIMES: 3 MAX.
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.
SRP1245C Series - Shielded Power Inductors
Packaging Specifications
330
DIA.
(12.99)
24.4 +2/-0
(.961 +.079/-0)
2.0 ± 0.5
(.079 ± .020)
COVER TAPE
13.0 +0.5/-0.2
(.512 +.020/-.008)
DIA.
100 ± 2
(3.937 ± .079)
330
(12.992)
13 +0.5 / -0.2
DIA.
(.512 +.020 / -.008)
EMBOSSED CARRIER
4.0
(.157)
1.5 ± 0.1
DIA.
(.059 ± .004)
16.0 ± 0.1
(.630 ± .004)
0.35 ± 0.05
(.014 ± .002)
14.1 ± 0.1
(.555 ± .004)
NO COMPONENT
COMPONENTS
NO COMPONENT
5.5 ± 0.1
(.217 ± .004)
400
(15.748)
200
(7.874)
DIMENSIONS:
YYWWH
24.0 ± 0.3
(.630 ± .012)
100
YYWWH
100
YYWWH
11.5 ± 0.1
(.453 ± .004)
MM
(INCHES)
12.9 ± 0.1
(.508 ± .004)
USER DIRECTION OF FEED
QTY: 500 PCS PER REEL
Asia-Pacific: Tel: +886-2 2562-4117 • Email: asiacus@bour ns.com
EMEA: Tel: +36 88 885 877 • Email: eur ocus@bourns.com
The Americas: Tel: +1-951 781-5500 • Email: americus@bour ns.com
www.bourns.com
02/20
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.
Legal Disclaimer Notice
This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and
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Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change
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