SRP4020

This series is currently available but
not recommended for new designs.
The newer Model SRP4020TA
series is recommended.
PL
IA
N
T
Features
CO
M
■ Shielded construction
*R
oH
S
■ Flat wire
■ Unit height of 2 mm
R6
8
■ Inductance range: 0.22 to 5.6 μH
■ Rated current up to 10 A
■ RoHS compliant*
SRP4020 Series - Shielded Power Inductors
Electrical Specifications
Bourns Part No.
Inductance
L (μH) ±20 %
I rms
(A)
I sat
(A)
DCR
(mΩ) Max.
SRP4020-R22M
0.22
11.5
11.5
7
SRP4020-R36M
0.36
9
11
12
SRP4020-R47M
0.47
7
10
12
SRP4020-R56M
0.56
7
8
14.7
SRP4020-R68M
0.68
6.3
7
17
SRP4020-R88M
0.88
6
6.5
18
SRP4020-1R0M
1.0
5
6
21.6
SRP4020-1R2M
1.2
5
5
22
SRP4020-1R5M
1.5
5.1
5
29
SRP4020-2R2M
2.2
3.9
5
40
SRP4020-3R3M
3.3
3.3
4.3
48
SRP4020-4R7M
4.7
2.7
4
75
SRP4020-5R6M
5.6
2.4
3.5
90
Soldering Profile
Temperature (°C)
Materials
Core ..................................................Iron
Wire ............................Enameled copper
Terminal ........................................Cu/Sn
Rated Current .....Ind. drops 20 % at Isat
Temperature Rise .....40 °C at rated Irms
Packaging ..... 2000 pcs. per 13-inch reel
Product Dimensions
275
<1> Maximum of 10 seconds
between +255 °C and +260 °C
225
General Specifications
Test Voltage ..................................0.25 V
Test Frequency ......................... 100 KHz
Reflow Soldering .. 230 °C; 50 sec. max.
Operating Temperature
................................-55 °C to +125 °C
(Temperature rise included)
Storage Temperature
................................-55 °C to +125 °C
Resistance to Soldering Heat
............................. +260 °C for 10 sec.
4.8
MAX.
(.189)
260 °C peak
<1> 255 °C
220 °C
190°C
60 seconds
maximum
175
Ramp Down
5 °C/second
4.0 ± 0.2
(.157 ± .008)
150 °C
125
120-150 seconds
10 seconds minimum
75
Ramp Up
4 °C/second maximum
4.0 ± 0.2
(.157 ± .008)
25
0
50
100
150
200
250
300
Time (Seconds)
Electrical Schematic
0.0 - 0.3
(0.0 - .012)
Recommended Layout
2.2
(.087)
1.5
(.059)
2.0
MAX.
(.079)
6.0
(.236)
0.6 ± 0.3
(.024 ± .012)
0.8 ± 0.3
(.031 ± .012)
DIMENSIONS:
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
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)
Applications
■ DC/DC converters
■ Power supplies for:
• Portable communications equipment
• Laptop computers
• Camcorders, HDTV, car audio
systems
• Video game consoles
SRP4020 Series - Shielded Power Inductors
L vs. I Charts
70
60
0.21
0.20
50
40
0.19
0.18
30
20
0.17
0.16
10
0
0.15
3
4
5
6
7
8
9
10
11
12
13
14
30
0.30
0.29
20
0.28
0.27
10
0.26
0.25
0
15
0
1
2
3
4
DC Bias (A)
30
0.35
20
0.30
10
0.25
Inductance (μH)
Inductance (μH)
40
0.40
3
4
5
6
7
8
9
60
50
0.45
40
30
0.40
20
10
1
2
3
4
20
0.40
10
0.30
Inductance (μH)
0.50
Temperature Rise (°C)
Inductance (μH)
30
0
2
2.5 3
3.5
4
4.5
7
8
9
5
5.5
6
6.5
7
7.5
45
0.85
40
0.80
35
30
0.75
25
0.70
20
0.65
15
0.60
10
0.55
5
0.50
0
8
0
0.5
1
1.5
2
2.5
DC Bias (A)
3
3.5
4
4.5
5
5.5
6
6.5
7
DC Bias (A)
SRP4020-1R0M
80
1.10
40
30
0.70
20
0.60
10
60
1.10
50
1.00
Inductance (μH)
50
0.80
Temperature Rise (°C)
60
0.90
SRP4020-1R2M
1.20
70
1.00
Inductance (μH)
6
SRP4020-R88M
0.90
50
0.60
1.5
5
DC Bias (A)
40
1
0
10
0.30
0
0.70
0.5
80
0.50
10
SRP4020-R68M
0
10
70
DC Bias (A)
0.80
9
0.35
0
2
8
0.55
Temperature Rise (°C)
50
1
7
SRP4020-R56M
0.60
60
0.45
0
6
DC Bias (A)
SRP4020-R47M
0.50
5
40
0.90
30
0.80
20
0.70
10
0.60
0.50
0
0
1
2
3
4
DC Bias (A)
Temperature Rise (°C)
2
0.31
Temperature Rise (°C)
1
40
0.32
5
6
7
8
0.50
Temperature Rise (°C)
0
50
0.33
Inductance (μH)
Inductance (μH)
0.22
Temperature Rise (°C)
90
80
0.23
SRP4020-R36M
0.35
0.34
100
Temperature Rise (°C)
SRP4020-R22M
0.24
0
0
1
2
3
4
5
6
7
8
DC Bias (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.
3312 - 2 mm
SMD- Shielded
TrimmingPower
Potentiometer
SRP4020
Series
Inductors
L vs. I Charts
60
50
40
1.10
0.80
30
20
0.50
10
0
1
2
3
4
5
6
50
2.30
2.20
40
2.10
2.00
30
1.90
20
1.80
1.70
10
1.60
1.50
7
0
0
1
2
3
DC Bias (A)
60
2.10
2.00
20
1.90
1.80
10
1.70
1.60
0
1.50
1.5
2
2.5
3
3.5
Inductance (μH)
30
Temperature Rise (°C)
Inductance (μH)
2.20
1
4.7
4.6
4.5
4.4
4.3
4.2
4.1
4.0
3.9
3.8
3.7
3.6
3.5
100
90
80
70
60
50
40
30
20
10
0
0
4
0.5
1
1.5
2
2.5
3
3.5
DC Bias (A)
DC Bias (A)
SRP4020-5R6M
5.6
Inductance (μH)
80
5.2
70
60
5.0
50
4.8
40
30
4.6
20
4.4
10
Temperature Rise (°C)
100
90
5.4
0
4.2
0
0.5
1
1.5
6
SRP4020-4R7M
SRP4020-3R3M
2.30
0.5
5
DC Bias (A)
2.50
0
4
2
2.5
3
3.5
4
DC Bias (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.
4
4.5
5
Temperature Rise (°C)
0
60
2.40
Temperature Rise (°C)
1.40
2.50
Temperature Rise (°C)
1.70
Inductance (μH)
SRP4020-2R2M
110
100
90
80
70
Inductance (μH)
SRP4020-1R5M
2.00
SRP4020 Series - Shielded Power Inductors
Packaging Specifications
2.0 ± 0.5
(.079 ± .020)
330.0
(13.00)
DIA.
THICKNESS
0.10
(.004)
MAX.
13.5 ± 0.5
(0.53 ± .020)
DIA.
EMBOSSED
CAVITY
100.0 ± 1.0
(3.937 ± .039)
13.5 ± 0.5
DIA.
(.53 ± .020)
EMBOSSED
CARRIER
12.5 ± 0.5
(.492 ± .020)
1.50 ± 0.1
(.059 ± .004)
0.3 ± 0.1
(.012 ± .004)
2.0 ± 0.1
(.079 ± .004)
4.0 ± 0.1
(.157 ± .004)
1.75 ± 0.1
(.069 ± .004)
5.5 ± 0.1
(.217 ± .004)
2.5 ± 0.15
(.098 ± .006)
4.2 ± 0.1
(.165 ± .004)
2R2
5.0 ± 0.1
(.197 ± .004)
12.0 ± 0.3
(.472 ± .012)
8.0 ± 0.1
(.315 ± .004)
USER DIRECTION OF FEED
DIMENSIONS:
MM
(INCHES)
QTY: 2000 PCS. PER REEL
REV. 03/15
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.