*R
AE **H oHS
C- AL C
Q2 OG OM
0 0 E N PL
CO F IA
M RE NT,
PL E &
IA
NT
Features
■
Shielded construction
■
Carbonyl powder core
■
High saturation current
■
Inductance range: 0.33 to 68 µH
■
AEC-Q200 compliant
■
RoHS compliant* and halogen free**
SRP7050TA Series - Shielded Power Inductors
Operating Temperature
................................-40 °C to +150 °C
(Temperature rise included)
Storage Temperature
................................-40 °C to +125 °C
Rated Current
............ Inductance drops 20 % at Isat
Temperature Rise .....40 °C at rated Irms
Moisture Sensitivity Level .....................1
.................N/A
1
Circuit design, component, PCB trace
Bourns
Part Number
Inductance
@ 100 KHz
/1V
L
Tol.
(%)
(μH)
Q (Min.)
@100 KHz
/1V
SRF
(MHz)
Typ.
DCR
(mΩ)
Typ.
DCR
(mΩ)
Max.
Irms
(A)
Isat
(A)
Terminal
Type
SRP7050TA-R33M
SRP7050TA-R40M
SRP7050TA-R47M
SRP7050TA-R56M
SRP7050TA-R60M
SRP7050TA-R68M
SRP7050TA-R82M
SRP7050TA-1R0M
SRP7050TA-1R2M
SRP7050TA-1R5M
SRP7050TA-1R8M
SRP7050TA-2R2M
SRP7050TA-3R3M
SRP7050TA-4R7M
SRP7050TA-5R6M
SRP7050TA-6R8M
SRP7050TA-8R2M
SRP7050TA-100M
SRP7050TA-150M
SRP7050TA-220M
SRP7050TA-330M
SRP7050TA-470M
SRP7050TA-560M
SRP7050TA-680M
0.33
0.40
0.47
0.56
0.60
0.68
0.82
1.0
1.2
1.5
1.8
2.2
3.3
4.7
5.6
6.8
8.2
10
15
22
33
47
56
68
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
10
10
10
10
10
10
10
10
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
100
100
95
80
80
75
70
50
45
43
38
30
26
22
20
18
16
15
12
9
8
8
7
6
2.5
3.1
3.5
3.6
3.8
4
4.6
6.1
6.7
8.6
9.5
11.2
19
28
43.5
46
56
60
81
140
173
290
342
386
3
3.7
3.9
4.2
4.3
4.5
4.9
6.5
7.5
9
11
12
20.9
30.8
49
51.5
63
69
92
170
200
330
396
445
25
23
22
20
19
18
16.5
15
14
12
12
10
8
6.5
6
5.5
5
4
3.5
2.5
2
1.9
1.6
1.2
32
31
30
27
25
24
22
20
18
16.5
15
14
12
10
9
8.5
8
7.5
6
5.5
3.5
2.7
2.1
2
cooling provisions all affect the part
temperature. Part temperature should be
Lead
Frame
Materials
Core .............................Carbonyl powder
Wire ............................Enameled copper
Terminal Finish ...................................Sn
Packaging ....... 800 pcs. per 13-inch reel
Product Dimensions
Lead Frame Terminal
7.3 ± 0.3
(.287 ± .012)
6.6 ± 0.3
(.260 ± .012)
Preheating
Soldering
Natural Cooling
TP (260 °C / 10 Sec. Max.)
2R2
1150
6.7 ± 0.3
(.264 ± .012)
Temperature (°C)
tp (245 °C, 20~40 Sec.)
200 °C
150°C
217 °C
60~150 Sec.
60~180
Sec.
480 Sec. Max.
1.8 ± 0.3
(.071 ± .012)
4.8 ± 0.2
(.189 ± .008)
3 Times Max.
25
Time (Seconds)
Schematic
How to Order
3.0 ± 0.3
(.118 ± .012)
DIMENSIONS:
MM
(INCHES)
SRP7050TA - 100 M
Model
Value Code (see table)
Tolerance Code
Recommended Layout
8.4
(.331)
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
2.5
3.5
(Cl) content is 900 ppm or less; and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less.
(.098)
(.143)
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
SRP7050TA Series - Shielded Power Inductor
L vs. I Charts
0.60
SRP7050TA-R33M
80
0.70
SRP7050TA-R40M
100
80
60
40
20
0
31.0
0.8
SRP7050TA-R47M
80
70
Inductance (μH)
Inductance (μH)
Temperature Rise (°C)
0.45
60
50
0.56
0.42
0.28
0.14
0
0
6.2
12.4
18.6
24.8
Inductance (μH)
70
Temperature Rise (°C)
0.6
60
50
0.30
40
30
0.4
40
30
0.15
20
10
0
32.0
0.2
20
10
0
30
0
0
6.4
12.8
19.2
25.6
0
0
6
12
18
24
DC Current (A)
DC Current (A)
DC Current (A)
1.0
SRP7050TA-R56M
80
1.0
SRP7050TA-R60M
50
40
30
20
10
0
25
1.2
SRP7050TA-R68M
80
70
Temperature Rise (°C)
0.8
0.6
0.4
0.2
0
0
6.75
13.5
20.25
50
40
30
20
10
0
27.0
Temperature Rise (°C)
60
0.8
0.6
0.4
0.2
0
0
5
10
15
20
0.9
60
50
0.6
40
30
0.3
20
10
0
22.0
0
0
5.5
11.0
16.5
DC Current (A)
DC Current (A)
DC Current (A)
1.6
SRP7050TA-R82M
80
2.0
SRP7050TA-1R0M
80
2.0
SRP7050TA-1R2M
80
70
Temperature Rise (°C)
Temperature Rise (°C)
Inductance (μH)
Inductance (μH)
1.2
60
50
1.5
60
50
Inductance (μH)
70
70
1.5
60
50
0.8
40
30
1.0
40
30
1.0
40
30
0.4
20
10
0.5
20
10
0
20
0.5
20
10
0
20
0
0
5.5
11.0
16.5
0
22.0
0
0
5
10
15
0
0
5
10
15
DC Current (A)
DC Current (A)
DC Current (A)
3.0
SRP7050TA-1R5M
80
2.5
SRP7050TA-1R8M
40
4
SRP7050TA-2R2M
80
70
Temperature Rise (°C)
Inductance (μH)
Inductance (μH)
2.4
1.8
1.2
0.6
0
0
4.5
9.0
13.5
60
50
40
30
20
10
0
18.0
2.0
1.5
1.0
0.5
0
0
3
6
9
12
32
24
16
8
0
15
Inductance (μH)
70
Temperature Rise (°C)
3
60
50
2
40
30
1
20
10
0
14.0
0
0
3.5
7.0
10.5
DC Current (A)
DC Current (A)
DC Current (A)
6.0
SRP7050TA-3R3M
80
8
SRP7050TA-4R7M
80
10
SRP7050TA-5R6M
100
Temperature Rise (°C)
Temperature Rise (°C)
4.5
60
50
6
60
50
Inductance (μH)
8
6
4
2
0
0
2.25
4.5
6.75
3.0
40
30
4
40
30
50
40
30
20
10
0
9.0
1.5
20
10
2
20
10
0
0
3
6
9
0
12
0
0
2
4
6
8
0
10
DC Current (A)
DC Current (A)
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.
Temperature Rise (°C)
Inductance (μH)
Inductance (μH)
70
70
90
80
70
60
Temperature Rise (°C)
Temperature Rise (°C)
Temperature Rise (°C)
70
Inductance (μH)
Inductance (μH)
Inductance (μH)
Temperature Rise (°C)
SRP7050TA Series - Shielded Power Inductors
L vs. I Charts (Continued)
12
SRP7050TA-6R8M
100
16
SRP7050TA-8R2M
80
70
20
SRP7050TA-100M
80
70
60
50
40
30
20
10
0
8
Temperature Rise (°C)
9
12
60
50
Inductance (μH)
16
12
8
4
0
0
2
4
6
6
50
40
30
20
10
0
9.0
8
40
30
3
4
20
10
0
0
2.25
4.5
6.75
0
0
2
4
6
0
8
DC Current (A)
DC Current (A)
DC Current (A)
20
SRP7050TA-150M
50
40
SRP7050TA-220M
200
60
SRP7050TA-330M
70
56
42
Temperature Rise (°C)
Temperature Rise (°C)
Inductance (μH)
16
12
8
4
0
0
1.2
2.4
3.6
4.8
40
30
20
10
0
6.0
30
160
120
45
20
80
10
40
0
5.5
30
28
15
14
0
3.5
0
0
1.1
2.2
3.3
4.4
0
0
0.7
1.4
2.1
2.8
DC Current (A)
DC Current (A)
DC Current (A)
80
SRP7050TA-470M
60
100
SRP7050TA-560M
60
120
SRP7050TA-680M
30
24
18
Temperature Rise (°C)
Temperature Rise (°C)
48
36
24
12
0
2.70
48
36
24
12
0
2.10
Inductance (μH)
64
48
32
16
0
0
0.54
1.08
1.62
2.16
80
60
40
20
0
0
0.42
0.84
1.26
1.68
90
60
12
30
6
0
2.0
0
0
0.4
0.8
1.2
1.6
DC Current (A)
DC Current (A)
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.
Temperature Rise (°C)
Inductance (μH)
Inductance (μH)
Temperature Rise (°C)
Inductance (μH)
Inductance (μH)
Temperature Rise (°C)
Inductance (μH)
Inductance (μH)
90
80
70
60
Temperature Rise (°C)
100
90
3312 - 2
Series - Shielded Power Inductors
SRP7050TA
mm SMD Trimming Potentiometer
330
DIA.
(12.992)
2.0
±
0.5
(.079
±
.020)
13.5 ± 0.5
(.531 ± .020)
DIA.
100 ± 2
(3.937 ± .079)
16.0 ± 0.5
(.630 ± .020)
4.0
(.157)
2.0
(.079)
1.5 ± 0.1
DIA.
(.059 ± .004)
0.35 ± 0.05
(.014 ± .002)
7.7 ± 0.1
(.303 ± .004)
7.5 ± 0.1
(.295 ± .004)
16.0 ± 0.3
(.630 ± .012)
Date Code
Date Code
Date Code
USER DIRECTION OF FEED
QTY: 800 PCS. PER REEL
DIMENSIONS:
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
REV. 11/17
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.
Date Code
Date Code
Marking
Marking
Marking
Marking
Marking
12.0 ± 0.1
(.472 ± .004)
3°
5.3 ± 0.1
(.209 ± .004)
7.0 ± 0.1
(.276 ± .004)
MM
(INCHES)
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®
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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
®
®
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