SRP1245A Inductors Datasheet

SRP1245A Datasheet, PDF, Equivalent


Part Number

SRP1245A

Description

Shielded Power Inductors

Manufacture

Bourns

Total Page 5 Pages
Datasheet
Download SRP1245A Datasheet


SRP1245A
R 4173 1 8
Features
Shielded construction
Carbonyl powder core
High saturation current
Inductance range: 0.20 to 22 µH
AEC-Q200 compliant
RoHS compliant* and halogen free**
SRP1245A Series - Shielded Power Inductors
Electrical Specifications @ 25 °C
Bourns
Part Number
Inductance
@ 100 KHz
/1V
Q (Min.)
@100 KHz
SRF
(MHz)
L Tol.
/1V
Typ.
DCR
(mΩ)
Typ.
DCR
(mΩ)
Max.
Irms
(A)
Isat
(A)
Terminal
Type
(μH) (%)
SRP1245A-R20M 0.20 20 10 130 0.45 0.55 52 110
SRP1245A-R22M 0.22 20 10 120 0.5 0.7 52 110
SRP1245A-R33M 0.33 20
15
90 0.7 0.9 42 80
SRP1245A-R36M 0.36 20
15
80 0.75 0.95 42 75
Non-
SRP1245A-R39M 0.39 20
SRP1245A-R47M 0.47 20
15
20
78 0.78 0.95 42 70
Lead
70 0.86 1.1 38 65 Frame
SRP1245A-R50M 0.50 20
20
65 0.9 1.3 37 60
SRP1245A-R56M 0.56 20
20
60 1 1.5 36 55
SRP1245A-R68M 0.68 20
20
50 1.4 1.7 34 54
SRP1245A-R82M 0.82 20
20
45 1.7 2.1 31 52
SRP1245A-1R0M 1.0 20
20
40 1.85 2.5 29 50
SRP1245A-1R2M 1.2 20
20
35 2.5 3.0 28 49
SRP1245A-1R5M 1.5 20
20
30 2.8 3.3 27 48
SRP1245A-1R8M 1.8 20
20
27 4 4.9 21 40
SRP1245A-2R2M 2.2 20
20
24 4.2 5.5 20 32
SRP1245A-2R7M 2.7 20
20
23 4.7 6.7 17 32
SRP1245A-3R3M 3.3 20
20
22 6.8 9.2 15 32
Lead
SRP1245A-4R7M 4.7 20
20
15 11.4 15.0 12 27 Frame
SRP1245A-5R6M 5.6 20
20
13 12.3 16.5 11.5 22
SRP1245A-6R0M 6.0 20
20
12 13 16.5 11.5 21.5
SRP1245A-6R8M 6.8 20
20
12 14.5 18.5 11 21
SRP1245A-8R2M 8.2 20
20
11 16.8 22.5 9.5 18
SRP1245A-100M 10 20
20
10 21.4 25.5 9
16
SRP1245A-180M 18 20
20
7 40 45.0 7.5 11
SRP1245A-220M 22 20
20
6 50 58 6.5 10
Product Dimensions
Non-Lead Frame Terminal
13.5 ± 0.5
(.531 ± .020)
Lead Frame Terminal
13.5 ± 0.5
(.531 ± .020)
R20
1510
12.5 ± 0.3
(.492 ± .012)
4.8 ± 0.2
(.189 + .008)
2.75 ± 0.35
(.108 ± .014)
2.3 ± 0.3
(.091 ± .012)
2.0
(.079)
REF.
GRADUATED
LINE
3R3
1510
12.5 ± 0.3
(.492 ± .012)
4.8 ± 0.2
(.189 + .008)
2.75 ± 0.35
(.108 ± .014)
2.3 ± 0.3
(.091 ± .012)
2.0
(.079)
REF.
GRADUATED
LINE
4.7 ± 0.3
(.185 ± .012)
DIMENSIONS:
MM
(INCHES)
4.7 ± 0.3
(.185 ± .012)
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.
General Specifications
Test Voltage ....................................1.0 V
Test Frequency ......................... 100 KHz
Operating Temperature
................................-55 °C to +150 °C
(Temperature rise included)
Storage Temperature .. -55 °C to +150 °C
Rated Current
............ Inductance drops 20 % at Isat
Temperature Rise .....40 °C at rated Irms
Moisture Sensitivity Level ..................... 1
ESD Classification (HBM)................. N/A
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.............................Carbonyl powder
Wire ............................Enameled copper
Terminal Finish ...................................Sn
Packaging....... 500 pcs. per 13-inch reel
How to Order
SRP1245A - 100M
Model
Value Code (see table)
Recommended Layout
14.2
(.559)
5.0
(.197)
8.0
(.315)
Please consult Bourns® Model SRP-A
Series Visual Inspection Guide for detailed
construction, processing and testing
information.
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.

SRP1245A
SRP1245A Series - Shielded Power Inductors
L vs. I Charts
0.35
0.28
0.21
0.14
0.07
0
0
SRP1245A-R20M
22 44 66 88
DC Current (A)
150
120
90
60
30
0
110
0.4
0.32
0.24
0.16
0.08
0
0
SRP1245A-R22M
22 44 66 88
DC Current (A)
150
120
90
60
30
0
110
SRP1245A-R33M
0.8 150
0.6 120
90
0.4
60
0.2
30
00
0 20 40 60 80
DC Current (A)
0.60
0.45
0.30
0.15
0
0
SRP1245A-R36M
15 30 45 60
DC Current (A)
150
120
90
60
30
0
75
SRP1245A-R50M
0.8 110
0.6 88
66
0.4
44
0.2 22
00
0 13 26 39 52 65
DC Current (A)
1.20
0.96
0.72
0.48
0.24
0
0
SRP1245A-R82M
10.4 20.8 31.2 41.6
DC Current (A)
120
96
72
48
24
0
52
0.7
0.56
0.42
0.28
0.14
0
0
1.0
0.8
0.6
0.4
0.2
0
0
2.0
1.6
1.2
0.8
0.4
0
0
SRP1245A-R39M
13 26 39 52
DC Current (A)
SRP1245A-R56M
11 22 33 44
DC Current (A)
100
80
60
40
20
0
65
100
80
60
40
20
0
55
SRP1245A-1R0M
10 20 30 40
DC Current (A)
150
120
90
60
30
0
50
SRP1245A-R47M
1.0 120
0.8
90
0.6
60
0.4
0.2 30
00
0 13 26 39 52 65
DC Current (A)
SRP1245A-R68M
1.5 150
1.2 120
0.9 90
0.6 60
0.3 30
00
0 9 18 27 36 45 54
DC Current (A)
SRP1245A-1R2M
1.5 50
1.2 40
0.9 30
0.6 20
0.3 10
00
0
9.8 19.6 29.4 39.2
49
DC Current (A)
SRP1245A-1R5M
3.0 120
2.4
90
1.8
60
1.2
0.6 30
00
0 6 12 18 24 30 36 42
DC Current (A)
SRP1245A-1R8M
4 150
3 120
90
2
60
1
30
00
0 10 20 30 40
DC Current (A)
SRP1245A-2R2M
4 120
3 90
2 60
1 30
00
0 8 16 24 32
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.


Features AEC-Q20*0RCoOHSMPaLnIdANT R 4173 1 8 F eatures ■ Shielded construction ■ C arbonyl powder core ■ High saturation current ■ Inductance range: 0.20 to 22 µH ■ AEC-Q200 compliant ■ RoHS compliant* and halogen free** SRP1245A Series - Shielded Power Inductors Ele ctrical Specifications @ 25 °C Bourns Part Number Inductance @ 100 KHz /1V Q (Min.) @100 KHz SRF (MHz) L Tol. /1V Typ. DCR (mΩ) Typ. DCR (mΩ) M ax. Irms (A) Isat (A) Terminal Type (μH) (%) SRP1245A-R20M 0.20 20 10 13 0 0.45 0.55 52 110 SRP1245A-R22M 0.22 20 10 120 0.5 0.7 52 110 SRP1245A-R33M 0.33 20 15 90 0.7 0.9 42 80 SRP1245 A-R36M 0.36 20 15 80 0.75 0.95 42 75 Non- SRP1245A-R39M 0.39 20 SRP1245A-R 47M 0.47 20 15 20 78 0.78 0.95 42 70 Lead 70 0.86 1.1 38 65 Frame SRP1245 A-R50M 0.50 20 20 65 0.9 1.3 37 60 S RP1245A-R56M 0.56 20 20 60 1 1.5 36 5 5 SRP1245A-R68M 0.68 20 20 50 1.4 1. 7 34 54 SRP1245A-R82M 0.82 20 20 45 1.7 2.1 31 52 SRP1245A-1R0M 1.0 20 20 40 1.85 2.5 29 50 SRP1245A-1R2M 1.2 20.
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