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Features
n Shielded construction
n Metal alloy powder core
1R0702
1
n High saturation current
n Flat wire
n AEC-Q200 compliant
n RoHS compliant* and halogen free**
SRP4020FA Series – Shielded Power Inductors
Electrical Specifications @ 25 °C
Inductance
@ 100 kHz / 1 V
I sat (A)
Typ.
I rms (A)
Typ.
L (µH)
Tol. %
Q
Min.
SRF
(MHz)
Typ.
SRP4020FA-R47M
0.47
± 20 %
30
90
6.0
6.8
9.8
13.2
7.0
10.0
14.0
SRP4020FA-R82M
0.82
± 20 %
20
62
8.6
9.5
8.5
11.5
4.8
6.5
10.2
5.0
8.6
Bourns
Part Number
SRP4020FA-R68M
0.68
SRP4020FA-1R0M
1.0
SRP4020FA-1R2M
1.2
SRP4020FA-1R5M
1.5
SRP4020FA-2R0M
2.0
SRP4020FA-2R2M
2.2
SRP4020FA-3R3M
3.3
SRP4020FA-4R7M
4.7
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
20
20
20
20
15
15
15
15
DCR
(mΩ)
Typ.
DCR
(mΩ)
Max.
20 °C
Temp. Rise
40 °C
Temp. Rise
10 % L
Drop
20 % L
Drop
30 % L
Drop
73
7.3
56
10.6
45
14.4
53
8.2
11.7
12.2
13.4
40
21.15
23.3
26
34.2
38
21.35
25
52.0
15.8
23.5
38.3
57.2
9.2
8.0
7.2
6.7
6.2
6.0
4.4
3.8
Product Dimensions
3.4 ± 0.3
(.134 ± .012)
1R0
1625
1.6 ± 0.25
(.063 ± .010)
1.9 ± 0.2
(.075 ± .008)
How to Order
11.0
9.5
9.1
8.2
8.0
5.5
5.1
5.2
4.5
4.3
4.1
3.2
3.1
2.7
2.0
8.0
5.4
4.5
4.0
3.8
3.4
2.7
11.6
9.2
7.5
6.2
6.0
5.3
4.0
General Specifications
4.1 ± 0.2
(.161 ± .008)
4.1 ± 0.2
(.161 ± .008)
12.0
MM
DIMENSIONS:
(INCHES)
Schematic
SRP4020FA - 1R0M
Model
Value Code (see table)
0.88 ± 0.2
(.035 ± .008)
Operating Temperature
.................................-55 °C to +155 °C
(Temperature rise included)
Storage Temperature (Component)
.................................-55 °C to +155 °C
Rated Current.............. Inductance drops
10, 20 or 30 % at Isat
Temperature Rise..................20 or 40 °C
at rated Irms1
MSL.......................................................1
ESD Classification (HBM)................. N/A
Note 1: Circuit design, component, PCB trace size
and thickness, airflow and other cooling provisions all
affect the part temperature. Part temperature should be
verified in the end application.
Materials
Core...........................Metal alloy powder
Wire.............................Enameled copper
Terminal Finish....................................Sn
Packaging...... 3000 pcs. per 13-inch reel
Recommended Layout
3.8 REF.
(.150)
Asia-Pacific: Tel: +886-2 2562-4117 • Email: asiacus@bourns.com
EMEA: Tel: +36 88 520 390 • Email: eurocus@bourns.com
The Americas: Tel: +1-951 781-5500 • Email: americus@bourns.com
www.bourns.com
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov
3.4
REF.
(.134)
1.4
REF.
(.055)
MM
DIMENSIONS:
(INCHES)
* 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.
SRP4020FA Series – Shielded Power Inductors
L vs. I Charts
30
0.32
20
0.16
10
9.6
12.8
0.72
30
0.78
30
0.48
20
0.52
20
0.24
10
0.26
10
0
0
2.8
5.6
8.4
11.2
5.6
8.4
11.2
0
14.0
48
2.0
40
1.2
36
1.5
30
0.8
24
1.0
20
0.5
10
12
0.4
0
0
2.8
5.6
8.4
11.2
0
0
14.0
0
2
4
6
8
DC Current (A)
DC Current (A)
DC Current (A)
SRP4020FA-2R0M
SRP4020FA-2R2M
SRP4020FA-3R3M
2.8
44
2.1
33
1.4
22
0.7
11
4
6
8
44
4.4
40
2.1
33
3.3
30
1.4
22
2.2
20
0.7
11
1.1
10
0
2
4
6
0
10
0
0
1.4
2.8
4.2
5.6
0
7.0
DC Current (A)
4.8
24
3.2
16
1.6
8
0
5
Temperature Rise (°C)
32
4
8
50
40
6.4
3
2.8
DC Current (A)
SRP4020FA-4R7M
2
5.5
0
0
10
DC Current (A)
0
10
55
Inductance (μH)
3.5
Inductance (μH)
55
0
50
1.6
Inductance (μH)
12
Inductance (μH)
0.34
0
14.0
2.5
24
1
0
60
0.68
0
0
DC Current (A)
36
8.0
0
15
SRP4020FA-1R5M
1.02
2
12
DC Current (A)
48
0
9
SRP4020FA-1R2M
1.36
3.5
6
DC Current (A)
2.0
2.8
3
Inductance (μH)
40
60
0
Inductance (μH)
1.04
50
SRP4020FA-1R0M
0
Inductance (μH)
0
16.0
Temperature Rise (°C)
Inductance (μH)
1.70
6.4
40
Temperature Rise (°C)
3.2
0.96
Temperature Rise (°C)
0
Temperature Rise (°C)
Inductance (μH)
0
1.30
Temperature Rise (°C)
0.48
SRP4020FA-R82M
50
Temperature Rise (°C)
40
SRP4020FA-R68Y
Temperature Rise (°C)
0.64
Inductance (μH)
1.20
Temperature Rise (°C)
50
Temperature Rise (°C)
SRP4020FA-R47M
0.80
0
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.
SRP4020FA Series – Shielded Power Inductors
Soldering Profile
PRE-HEATING
SOLDERING
NATURAL
COOLING
TP (260 °C / 10 seconds max.)
Temperature (°C)
tp (245 °C / 20~40 seconds)
217
200
60 ~ 150 seconds
150
60 ~ 180 seconds
25
480 seconds max.
Time (Seconds)
REFLOW TIMES: 3 MAX.
Packaging Specifications
330
DIA.
(12.99)
12.4 +2/-0
(.488 +.079/-0)
2.0 ± 0.5
(.079 ± .020)
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)
4.0
(.157)
1.5 ± 0.1
DIA.
(.059 ± .004)
8.0 ± 0.1
(.315 ± .004)
0.35 ± 0.1
(.014 ± .004)
4.4 ± 0.1
(.173 ± .004)
5.5 ± 0.1
(.217 ± .004)
1R0
1625
12.0 ± 0.3
(.472 ± .012)
NO COMPONENT
200
(7.874)
DIMENSIONS:
MM
(INCHES)
1R0
1625
1R0
1625
COMPONENTS
USER DIRECTION OF FEED
NO COMPONENT
2.3 ± 0.1
(.091 ± .004)
400
(15.748)
4.4 ± 0.1
(.173 ± .004)
QTY: 3,000 PCS PER REEL
REV. 01/19
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
(32 ?+( 3$2".++$"3(5$+8:.41-2;
Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change
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and complete before placing orders for Bourns® products.
The characteristics and parameters of a Bourns® product set forth in its data sheet are based on laboratory conditions, and
statements regarding the suitability of products for certain types of applications are based on Bourns’ knowledge of typical
requirements in generic applications. The characteristics and parameters of a Bourns®/1.#4"3(- 42$1 //+(" 3(.-, 85 18
%1.,3'$# 3 2'$$3"' 1 "3$1(23("2 -#/ 1 ,$3$12#4$3.(3'$".,!(- 3(.-.%3'$.41-2® product with other components
(-3'$42$1$1$-3 //+(" 3(.-2 -# "34 +/$1%.1, -"$, 85 18.5$13(,$2$122'.4+# +6 825$1(%8
the actual performance of the Bourns®/1.#4"3(-3'$(12/$"(="#$5("$2 -# //+(" 3(.-2 -#, *$3'$(1.6-(-#$/$-#$-3
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-+$22.41-2' 2$7/+("(3+8#$2(&- 3$# -(-#(5(#4 +.41-2® product as meeting the requirements of a particular industry
23 -# 1#$&
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of Bourns® products are responsible for ensuring compliance with safety-related requirements and standards applicable to
3'$(1#$5("$2.1 //+(" 3(.-2
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