SRP7028A

*R
& oHS
AE C
C OM
AP P
PR LI
OV A N
ED T
Ro VE LEA
HS RS D
C ION FRE
OM S
PL AR
IA E
NT
*
Features
Applications
n Shielded construction
n Automotive systems:
- Driver assistant
n Carbonyl powder core
n High saturation current
1R0250
1
AE
C *
A P Ro
P R HS
OV C
ED OM
(S PL
el IAN
ec T
tM
od
el
s)
n Inductance range: 0.10 to 33 µH
n AEC-Q200 qualified
n RoHS compliant* and halogen free**
SRP7028A Series - Shielded Power Inductors
Electrical Specifications @ 25 °C
Inductance
@ 100 KHz / 1 V
Bourns
Part Number
General Specifications
L (µH)
Tol. (%)
Q (Min.)
@100 KHz
/1V
0.10
0.15
0.22
0.33
0.47
0.56
0.68
0.75
0.82
1.0
1.5
1.8
2.2
2.5
3.3
4.7
5.6
6.8
8.2
10
15
22
33
± 20
± 30
± 30
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
5
5
5
10
10
15
15
15
15
20
20
20
20
20
20
20
20
20
20
20
20
20
20
SRP7028A-R10M
SRP7028A-R15Y
SRP7028A-R22Y
SRP7028A-R33M
SRP7028A-R47M
SRP7028A-R56M
SRP7028A-R68M
SRP7028A-R75M
SRP7028A-R82M
SRP7028A-1R0M
SRP7028A-1R5M
SRP7028A-1R8M
SRP7028A-2R2M
SRP7028A-2R5M
SRP7028A-3R3M
SRP7028A-4R7M
SRP7028A-5R6M
SRP7028A-6R8M
SRP7028A-8R2M
SRP7028A-100M
SRP7028A-150M
SRP7028A-220M
SRP7028A-330M
SRF
(MHz)
Typ.
300
220
150
140
80
70
67
65
61
58
38
36
32
30
25
21
19
18
17
14
12
10
8
DCR
(mW)
Typ.
1.2
1.5
2.1
3.5
4
4.7
4.8
5.5
6.7
8.3
12.5±0.3
(.492±.012)
13
14
18
20
28
37
43
54
64
3.0±0.3
(.118±.012)
75
107
165
200
DCR
(mW)
Max.
Irms
(A)
Isat
(A)
1.7
32.5
1.9
27
2.8
23
3.9
20
4.2
17.5
5.0
16.5
5.5
15.5
13.5±0.5
6.6
14.5
(.531±.020)
8.0
13
10.0
11
8R2
15.0
9
1150
17.0
8.5
20.0 3.3±0.2 8
(.130+.008)
22.0
7
2.75±0.35
(.108±.014)
30.0
6
2.3±0.3
(.091±.012)
40.0
5.5
48.0
5
60.0
4.5
68.0
4
85.0
3.5
14.2
123.0
3.0
(.559)
190.0
2.0
3.3
(.130)
240.0
2.0
60
45
40
32
26
25.5
25
24.5
24
22
18
16
14
13
12
10
9
8
7.5
6
4
3.5
2.5
Electrical Schematic
How to Order
- Information
- Entertainment
- Lighting
n DC/DC converters
n Power supplies
Test Voltage.....................................1.0 V
Test Frequency.......................... 100 KHz
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
Resistance to Soldering Heat
......................... +260 °C, 40 sec. max.
Materials
Core..............................Carbonyl powder
Wire.............................Enameled copper
Terminal Finish....................................Sn
Packaging...... 1000 pcs. per 13-inch reel
Product Dimensions
7.3±0.3
(.287±.012)
6.6±0.3
(.260±.012)
8.0
(.315)
SRP7028A - 100M
2R2
1150
2.8±0.2
(.110+.008)
1.8±0.3
(.071±.012)
Model
Value Code (see table)
Soldering Profile
Temperature (°C)
Preheating
Soldering
20~40 Sec.
Peak Temperature (260 °C, 40 Sec. Max.)
200 °C
150°C
3.0±0.3
(.118±.012)
Natural Cooling
Peak Temperature
260 ഒ max.
Max. Peak Temperature 260 ഒ
40 sec. max.
217 °C
60~150 Sec.
60~180
Sec.
Recommended Layout
8.4
(.331)
Max. Time Above 217 ഒ:
60~150 sec. max.
3.5
(.138)
2.5
(.098)
480 Sec. Max.
25
Time (Seconds)
Reflow Times: 3 Times Max.
* RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
**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.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device
performance may vary over time.
Users should verify actual device performance in their specific applications.
DIMENSIONS:
MM
(INCHES)
Please consult Bourns® Model SRP-A
Series Visual Inspection Guide for detailed
construction, processing and testing
information.
SRP7028ASeries
Series -- Shielded
Power Inductors
SRF0504
Line Filter
L vs. I Charts
20
10
30
40
100
SRP7028A-R47M
0.8
0.3
50
40
30
0.15
20
10
0
32
24
60
50
0.4
40
30
0.2
20
10
0
0
6.5
13
DC Current (A)
50
0.6
40
30
0.3
20
10
15
20
50
40
0.6
30
20
0.3
10
0
0
25
0
4.9
9.8
100
60
1.0
50
40
30
0.5
20
16.5
10
0
22
Inductance (μH)
70
11
SRP7028A-2R2M
100
70
60
2
50
40
30
1
20
7
10.5
10
0
14
SRP7028A-4R7M
10.2
15.3
20.4
SRP7028A-R82M
80
70
60
0.8
50
40
30
0.4
0
0
24.5
100
90
20
0
6
12
18
10
0
24
SRP7028A-1R8M
2.4
120
1.8
60
1.8
90
1.2
60
50
1.2
40
30
0.6
20
0
10
0
18
0
4.5
9
13.5
0.6
0
30
0
4
8
12
SRP7028A-3R3M
6.0
100
4
80
70
3
60
2
50
40
1
30
20
0
3.25
6.5
10
80
150
0
16
DC Current (A)
SRP7028A-2R5M
100
90
9.75
10
0
13
SRP7028A-5R6M
100
90
80
4.5
70
60
3.0
50
40
30
1.5
0
20
0
3.375
6.75
10.125
10
0
13.5
DC Current (A)
16
SRP7028A-6R8M
90
100
90
8
80
80
4
40
100
12
70
Specifications are subject to change without
notice.
70
70
60
The device characteristics
and parameters6 in this data sheet can and do vary in different
applications and actual device performance may vary60 over time.
60
50
8 device performance in their specific applications.
50
Users50should verify actual
40
2
5.1
1.2
DC Current (A)
30
20
Inductance (μH)
4
0
80
70
0
Temperature Rise (°C)
Inductance (μH)
6
10
0
25.5
2.4
DC Current (A)
8
20
0
90
Inductance (μH)
3
3.5
30
0.2
3.0
5
Temperature Rise (°C)
Inductance (μH)
80
0
40
DC Current (A)
90
0
50
100
90
DC Current (A)
4
60
0.4
DC Current (A)
SRP7028A-1R5M
3.0
Temperature Rise (°C)
Inductance (μH)
80
1.5
5.5
19.6
Inductance (μH)
SRP7028A-1R0M
0
70
0.6
DC Current (A)
90
0
14.7
100
90
80
1.6
80
60
0.9
DC Current (A)
2
SRP7028A-R56M
DC Current (A)
Inductance (μH)
10
5
0
26
30
2
20
Inductance (μH)
0
30
70
1.2
Inductance (μH)
60
Temperature Rise (°C)
Inductance (μH)
0.9
SRP7028A-R75M
1.5
80
70
0
19.5
Inductance (μH)
SRP7028A-R68M
1.2
20
10
DC Current (A)
Temperature Rise (°C)
16
0
10
0
40
0.8
Inductance (μH)
60
0.6
Temperature Rise (°C)
70
Inductance (μH)
0.45
8
20
1.0
80
70
Temperature Rise (°C)
Inductance (μH)
80
0
0
DC Current (A)
90
0
40
30
0.1
DC Current (A)
SRP7028A-R33M
0.6
0
50
Temperature Rise (°C)
DC Current (A)
0
50
0.2
Temperature Rise (°C)
0
Temperature Rise (°C)
16
70
60
Temperature Rise (°C)
45
0.06
Temperature Rise (°C)
30
15
32
Temperature Rise (°C)
0
0.12
emperature Rise (°C)
0
48
80
0.3
Temperature Rise (°C)
0.05
0.18
100
90
Temperature Rise (°C)
50
40
30
20
10
0
60
64
Inductance (μH)
0.10
0.24
SRP7028A-R22Y
0.4
80
Temperature Rise (°C)
0.15
SRP7028A-R15Y
0.30
Inductance (μH)
Inductance (μH)
100
90
80
70
60
Temperature Rise (°C)
SRP7028A-R10M
0.20
40
4
30
20
90
16.5
20
0
10
0
18
DC Current (A)
100
13.5
60
2
50
40
1
20
10.5
L vs. I Charts (Continued)
DC Current (A)
4
80
70
3
60
2
50
40
1
30
20
10
80
8
50
40
30
2
20
6
8
10
0
10
60
8
50
40
30
4
20
0
1.875
3.75
5.625
10
0
7.5
Inductance (μH)
70
100
70
60
20
50
40
30
10
20
2
3
10
0
4
Inductance (μH)
30
DC Current (A)
60
50
4
40
30
2
20
0
10
0
10
0
4
2
8
60
50
40
30
1.5
20
0
6.75
3.375
10.125
SRP7028A-6R8M
80
70
60
10
50
40
30
5
20
1.5
3
10
0
6
4.5
70
60
8
50
40
30
4
20
0
SRP7028A-330M
30
30
20
15
10
0.5
1
1.5
6
SRP7028A-150M
24
10
0
8
2
35
19.2
28
14.4
21
9.6
14
4.8
7
0
0
4
0
0.8
1.6
50
40
0
4
2
2.4
DC Current (A)
45
0
100
90
80
12
0
100
90
15
0
10
0
13.5
DC Current (A)
SRP7028A-100M
60
Temperature Rise (°C)
Inductance (μH)
80
1
70
16
DC Current (A)
SRP7028A-220M
0
80
6
0
90
0
80
3.0
0
100
70
DC Current (A)
40
100
90
DC Current (A)
SRP7028A-5R6M
20
Temperature Rise (°C)
Inductance (μH)
100
90
80
12
0
SRP7028A-3R3M
DC Current (A)
SRP7028A-8R2M
12
90
DC Current (A)
16
9.75
Inductance (μH)
4
6.5
3.25
10
0
13
Inductance (μH)
60
4
2
0
100
90
70
0
0
Inductance (μH)
Inductance (μH)
6
0
8
4.5
DC Current (A)
SRP7028A-4R7M
8
10
0
14
Temperature Rise (°C)
7
4
6.0
100
SRP7028ASeries
Series -- Shielded
Power Inductors
SRF0504
Line Filter
30
3.5
0
0
16
DC Current (A)
Inductance (μH)
70
0
30
0
Temperature Rise (°C)
3
Inductance (μH)
80
0
0.6
90
Temperature Rise (°C)
Inductance (μH)
9
SRP7028A-2R5M
5
90
4.5
60
DC Current (A)
SRP7028A-2R2M
4
0
90
1.2
Temperature Rise (°C)
0.6
Temperature Rise (°C)
11
5.5
30
Temperature Rise (°C)
0
10
0
22
40
Temperature Rise (°C)
0
20
50
Temperature Rise (°C)
30
0.5
60
1.2
120
1.8
Temperature Rise (°C)
40
2.4
0
2.5
DC Current (A)
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
3.2
Temperature Rise (°C)
50
Inductance (μH)
1.0
80
70
1.8
Temperature Rise (°C)
60
90
2.4
Inductance (μH)
Inductance (μH)
70
Temperature Rise (°C)
80
1.5
SRP7028A
3312 - Series
2 mm-SMD
Shielded
Trimming
Power Inductors
Potentiometer
Packaging Specifications
330
DIA.
(12.99)
2.0±0.5
(.079±.020)
13.5±0.5
(.531±.020)
DIA.
100.0±2.0
(3.937±.079)
13.5±0.5
DIA.
(.531±.020)
16.0±0.5
(.630±.020)
1.75
(.069)
2.0
(.079)
0.35±0.05
(.014±.002)
1.5±0.1
DIA.
(.059±.004)
7.8±0.1
(.307±.004)
Marking
Date Code
Marking
QTY: 1000 PCS. PER REEL
Date Code
USER DIRECTION OF FEED
Marking
12.0±0.1
(.472±.004)
Date Code
Marking
Date Code
Marking
16.0±0.3
(.630±.012)
4.0
(.157)
Date Code
7.5±0.1
(.295±.004)
16
(.630)
3°
7.1±0.1
(.280±.004)
3.3±0.1
(.130±.004)
DIMENSIONS:
REV. 06/16
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
MM
(INCHES)