SRP1245C Series Datasheet by Bourns Inc.

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**
SRP1245C Series - Shielded Power Inductors
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.
Electrical Specifications @ 25 °C General Specifications
Core ..........................Metal alloy powder
Wire ............................Enameled copper
Terminal Finish ...................................Sn
Packaging ....... 500 pcs. per 13-inch reel
Materials
Recommended Layout
* 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.
Bourns
Part Number
Inductance
@ 100 kHz
/ 1 V Q (Min.)
@100 kHz
SRF
(MHz)
Typ.
DCR
(mΩ)
Typ.
DCR
(mΩ)
Max.
Irms
(A)
Typ.
Isat
(A)
Typ.
Terminal
Type
L
(μH)
Tol.
(%)
SRP1245C-R15Y 0.15 30 15 147 0.36 0.41 55 100
non-
leadframe
SRP1245C-R22M 0.22 20 15 120 0.5 0.55 48 95
SRP1245C-R36M 0.36 20 20 100 0.75 0.83 41 80
SRP1245C-R47M 0.47 20 20 70 0.96 1.15 38 65
SRP1245C-R68M 0.68 20 20 58 1.4 1.6 32 54
SRP1245C-1R0M 1.0 20 20 42 2 2.4 30 50
leadframe
SRP1245C-1R5M 1.5 20 20 32 3 3.5 27 48
SRP1245C-2R2M 2.2 20 20 27 4.3 5 25 40
SRP1245C-3R3M 3.3 20 20 25 7.3 8.4 20 32
SRP1245C-4R7M 4.7 20 20 20 11.4 15 14 27
SRP1245C-6R8M 6.8 20 20 16 14.5 16.7 12 23
SRP1245C-8R2M 8.2 20 20 13 18.6 21.5 11.5 20
SRP1245C-100M 10 20 20 10 21.4 25.5 11 17
SRP1245C-150M 15 20 20 8 32.6 38 9 13
SRP1245C-220M 22 20 20 6 50 58 7.5 11
R47
1933H
Please consult Bourns® Model SRP-A
Series Visual Inspection Guide for detailed
construction, processing and testing
information.
Product Dimensions
Non-Lead Frame Terminal
Lead Frame Terminal
DIMENSIONS: MM
(INCHES)
How to Order
SRP1245C - 100M
Model
Value Code (see table)
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov
RoHS COMPLIANT*
&
HALOGEN FREE**
14.5
(.571)
8.0
(.315)
5.0
(.197)
100
YYWWH
12.6 ± 0.3
(.496 ± .012)
4.7 ± 0.3
(.185 ± .012)
2.6 ± 0.4
(.102 ± .016)
13.5 ± 0.5
(.531 ± .020)
12.6 ± 0.2
(.496 ± .008) E
4.0 ± 0.3
(.157 ± .012)
4.7 ± 0.3
(.185 ± .012)
SRP1245C-R47M through -R68M:E:
E: SRP1245C-R15Y through -R36M
and SRP1245C-1R0M through -2R2M:
R47
YYWWH
12.6 ± 0.3
(.496 ± .012)
13.5 ± 0.5
(.531 ± .020)
4.7 ± 0.3
(.185 ± .012)
2.6 ± 0.4
(.102 ± .016)
12.6 ± 0.2
(.496 ± .008) E
BOURNS'
SRP1245C Series - Shielded Power Inductors
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.
L vs. I Charts
SRP1245C-R15Y
Inductance (μH)
DC Current (A)
023 46 69 92 115
SRP1245C-R22M
Inductance (μH)
DC Current (A)
020 40 60 80 100
SRP1245C-R36M
Inductance (μH)
DC Current (A)
018 36 54 72 90
0.25
0.20
0.15
0.10
0.05
0
Temperature Rise (°C)
Temperature Rise (°C)
Temperature Rise (°C)
Temperature Rise (°C)
Temperature Rise (°C)
Temperature Rise (°C)
Temperature Rise (°C)
100
80
60
40
20
0
0.30
0.24
0.18
0.12
0.06
0
100
80
60
40
20
0
0.45
0.36
0.27
0.18
0.09
0
100
80
60
40
20
0
SRP1245C-R47M
SRP1245C-1R5M
SRP1245C-4R7M
Inductance (μH)
Inductance (μH)
DC Current (A)
014 28 42 56 70
DC Current (A)
010 20 30 40 50
DC Current (A)
0612 18 24 30
SRP1245C-R68M
SRP1245C-2R2M
SRP1245C-6R8M
Inductance (μH)
DC Current (A)
012 24 36 48 60
DC Current (A)
0918 27 36 45
DC Current (A)
0510 15 20 25
SRP1245C-1R0M
SRP1245C-3R3M
SRP1245C-8R2M
Inductance (μH)
DC Current (A)
011 22 33 44 55
DC Current (A)
0714 21 28 35
DC Current (A)
0510 15 20 25
0.65
0.52
0.39
0.26
0.13
0
2.0
1.6
1.2
0.8
0.4
0
Inductance (μH)
6.5
5.2
3.9
2.6
1.3
0
100
80
60
40
20
0
100
80
60
40
20
0
Temperature Rise (°C)
100
80
60
40
20
0
1.0
0.8
0.6
0.4
0.2
0
Inductance (μH)
3.0
2.5
2.0
1.5
0.5
0
Inductance (μH)
9.0
7.2
5.4
3.6
1.8
0
100
80
60
40
20
0
Temperature Rise (°C)
100
80
60
40
20
0
Temperature Rise (°C)
100
80
60
40
20
0
1.5
1.2
0.9
0.6
0.3
0
Inductance (μH)
5.0
4.0
3.0
2.0
1.0
0
Inductance (μH)
11.0
8.8
6.6
4.4
2.2
0
100
80
60
40
20
0
Temperature Rise (°C)
100
80
60
40
20
0
Temperature Rise (°C)
100
80
60
40
20
0
BOURNS'
SRP1245C Series - Shielded Power Inductors
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-100M
DC Current (A)
048121620
SRP1245C-150M
DC Current (A)
036 9 12 15
SRP1245C-220M
DC Current (A)
036 9 12 15
Inductance (μH)
13.0
10.4
7.8
5.2
2.6
0
Temperature Rise (°C)
100
80
60
40
20
0
Inductance (μH)
20
16
12
8
4
0
Temperature Rise (°C)
100
80
60
40
20
0
Inductance (μH)
30.0
24.0
18.0
12.0
6.0
0
Temperature Rise (°C)
100
80
60
40
20
0
L vs. I Charts
Soldering Profile
25
Time (Seconds)
REFLOW TIMES: 3 MAX.
Temperature (°C)
150
200
217
tp (245 °C / 20~40 seconds)
TP (260 °C / 10 seconds max.)
PRE-HEATING SOLDERING
NATURAL
COOLING
60 ~ 150 seconds
60 ~ 180 seconds
480 seconds max.
Electrical Schematic
Typical Part Marking
100
YYWWH
INDUCTANCE
CODE
DATE CODE:
YY = LAST TWO DIGITS OF YEAR
WW = WEEK NUMBER
MATERIAL CODE
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Packaging Specifications
SRP1245C Series - Shielded Power Inductors
DIMENSIONS: MM
(INCHES)
100
YYWWH
100
YYWWH
YYWWH
24.4 +2/-0
(.961 +.079/-0)
13.0 +0.5/-0.2
(.512 +.020/-.008)
DIA.
330
(12.992)
100 ± 2
(3.937 ± .079)
USER DIRECTION OF FEED
QTY: 500 PCS PER REEL
4.0
(.157)
11.5 ± 0.1
(.453 ± .004)
24.0 ± 0.3
(.630 ± .012)
200
(7.874)
NO COMPONENT COMPONENTS NO COMPONENT
400
(15.748)
12.9 ± 0.1
(.508 ± .004)
16.0 ± 0.1
(.630 ± .004)
1.5 ± 0.1
(.059 ± .004) 0.35 ± 0.05
(.014 ± .002)
5.5 ± 0.1
(.217 ± .004)
14.1 ± 0.1
(.555 ± .004)
330
(12.99) 2.0 ± 0.5
(.079 ± .020)
13 +0.5 / -0.2
(.512 +.020 / -.008) DIA.
DIA.
DIA.
COVER TAPE
EMBOSSED CARRIER
Asia-Pacific: Tel: +886-2 2562-4117 • Email: asiacus@bourns.com
EMEA: Tel: +36 88 885 877 • Email: eurocus@bourns.com
The Americas: Tel: +1-951 781-5500 • Email: americus@bourns.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.
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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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