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Features
■
Shielded construction
Applications
■
Automotive systems:
7
R4 318
1
■
Carbonyl powder core
■
High saturation current
■
Inductance range: 0.33 to 18 µH
■
AEC-Q200 qualified
■
RoHS compliant* and halogen free**
- Driver assistant
- Information
- Entertainment
- Lighting
■
DC/DC converters
■
Power supplies
SRP1245A Series - Shielded Power Inductors
Electrical Specifications @ 25 °C
Bourns
Part Number
Inductance
@ 100 KHz / 1 V
L (µH)
Tol. (%)
DCR
(mΩ) Max.
Irms
(A)
Isat
(A)
General Specifications
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 ....... 500 pcs. per 13-inch reel
Product Dimensions
13.5 ± 0.5
(.531 ± .020)
SRP1245A-R33M
SRP1245A-R47M
SRP1245A-R56M
SRP1245A-R68M
SRP1245A-1R0M
SRP1245A-1R5M
SRP1245A-1R8M
SRP1245A-2R2M
SRP1245A-3R3M
SRP1245A-4R7M
SRP1245A-5R6M
SRP1245A-6R0M
SRP1245A-6R8M
SRP1245A-8R2M
SRP1245A-100M
SRP1245A-180M
0.33
0.47
0.56
0.68
1.0
1.5
1.8
2.2
3.3
4.7
5.6
6.0
6.8
8.2
10
18
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
0.9
1.1
1.5
1.7
2.5
3.3
4.9
5.5
9.2
15.0
16.5
16.5
18.5
22.5
25.5
45.0
42
38
36
34
29
27
21
20
15
12
11.5
11.5
11
9.5
9
7.5
80
65
55
54
50
48
40
32
32
27
22
21.5
21
18
16
11
How to Order
Electrical Schematic
SRP1245A - 100M
Model
Value Code (see table)
12.5 ± 0.3
(.492 ± .012)
8R2
1150
4.8 ± 0.2
(.189 + .008)
2.3 ± 0.3
(.091 ± .012)
Soldering Profile
Peak Temperature 260
max.
Max. Peak Temperature 260
40 sec. max.
Max. Time Above 217 : 60~150 sec. max.
Preheating
Soldering
Natural Cooling
4.7 ± 0.3
(.185 ± .012)
Recommended Layout
Temperature (°C)
Peak Temperature (260 °C, 40 Sec. Max.)
20~40 Sec.
14.2
(.559)
200 °C
150°C
217 °C
60~150 Sec.
60~180
Sec.
480 Sec. Max.
5.0
(.197)
8.0
(.315)
25
DIMENSIONS:
Time (Seconds)
Reflow Times: 3 Times Max.
MM
(INCHES)
* RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
** Bourns follows the prevailing definition of “halogen free” in the industry. 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.
SRP1245A Series
- Line Filter
SRF0504 Series
- Shielded Power Inductors
L vs. I Charts
0.8
SRP1245A-R33M
150
1.0
SRP1245A-R47M
120
1.0
SRP1245A-R56M
100
80
60
40
20
0
55
Temperature Rise (°C)
Inductance (μH)
Inductance (μH)
Inductance (μH)
0.6
0.8
0.6
90
Temperature Rise (°C)
90
0.4
60
0.2
30
0
80
0.6
0.4
0.2
0
0
11
22
33
44
60
0.4
0.2
0
0
13
26
39
52
30
0
0
20
40
60
0
65
DC Current (A)
DC Current (A)
DC Current (A)
1.5
1.2
SRP1245A-R68M
150
120
90
60
30
0
54
2.0
SRP1245A-1R0M
150
3.0
SRP1245A-1R5M
120
Temperature Rise (°C)
Temperature Rise (°C)
Inductance (μH)
Inductance (μH)
0.9
0.6
0.3
0
0
9
18
27
36
45
1.2
0.8
0.4
0
0
10
20
30
40
Inductance (μH)
90
90
60
30
0
50
1.8
60
1.2
0.6
0
0
6
12
18
24
30
36
30
0
42
DC Current (A)
DC Current (A)
DC Current (A)
4
SRP1245A-1R8M
150
4
SRP1245A-2R2M
120
5
SRP1245A-3R3M
150
Inductance (μH)
Inductance (μH)
Inductance (μH)
3
Temperature Rise (°C)
3
90
90
2
60
1
30
0
40
3
2
1
0
0
8
16
24
90
60
30
0
32
2
60
1
30
0
0
10
20
30
0
0
8
16
24
0
32
DC Current (A)
DC Current (A)
DC Current (A)
8
SRP1245A-4R7M
150
10
SRP1245A-5R6M
150
120
90
60
30
0
22
10
SRP1245A-6R0M
120
Inductance (μH)
Inductance (μH)
Inductance (μH)
6
90
4
60
2
30
0
27
6
4
2
0
0
4.4
8.8
13.2
17.6
6
4
2
0
0
4.3
8.6
12.9
17.2
72
48
24
0
21.5
0
0
5.4
10.8
16.2
21.6
DC Current (A)
DC Current (A)
DC Current (A)
10
8
SRP1245A-6R8M
100
12
SRP1245A-8R2M
100
18
SRP1245A-100M
100
Temperature Rise (°C)
Temperature Rise (°C)
6
4
2
0
0
5.25
10.5
15.75
60
40
20
0
21
8
60
6
40
4
2
0
0
4.5
9
13.5
20
0
18
12
60
9
40
6
3
0
0
4
8
12
20
0
16
DC Current (A)
DC Current (A)
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.
Temperature Rise (°C)
80
10
80
15
80
Inductance (μH)
Inductance (μH)
Inductance (μH)
Temperature Rise (°C)
120
Temperature Rise (°C)
Temperature Rise (°C)
8
8
96
Temperature Rise (°C)
120
Temperature Rise (°C)
4
120
Temperature Rise (°C)
1.6
120
2.4
Temperature Rise (°C)
120
0.8
SRP1245A Series - Shielded Power Inductors
L vs. I Charts
25
20
SRP1245A-180M
45
15
150
2
0
0
2.2
4.4
6.6
8.8
27
18
8
0
11
DC Current (A)
Packaging Specifications
330
DIA.
(12.99)
2.0 ± 0.5
(.079 ± .020)
Temperature Rise (°C)
36
Inductance (μH)
13.5 ± 0.5
(.531 ± .020)
DIA.
100.0 ± 2.0
(3.937 ± .079)
13.5 ± 0.5
DIA.
(.531 ± .020)
24.0 ± 0.5
(.945 ± .020)
24
(.945)
2.0
(.079)
1.5 ± 0.1
DIA.
(.059 ± .004)
0.35 ± 0.05
(.014 ± .002)
1.75
(.069)
4.0
(.157)
13.0 ± 0.1
(.512 ± .004)
11.5 ± 0.1
(.453 ± .004)
24.0 ± 0.3
(.945 ± .012)
USER DIRECTION OF FEED
QTY: 500 PCS. PER REEL
Asia-Pacific:
Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116
EMEA:
Tel: +36 88 520 390 • Fax: +36 88 520 211
The Americas:
Tel: +1-951 781-5500 • Fax: +1-951 781-5700
www.bourns.com
05/14
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.
Date Code
Date Code
Date Code
Date Code
Date Code
Marking
Marking
Marking
Marking
Marking
16.0 ± 0.1
(.630 ± .004)
3°
5.5 ± 0.1
(.217 ± .004)
14.2 ± 0.1
(.559 ± .004)
7.0 ± 0.1
(.276 ± .004)
13.0 ± 0.1
(.512 ± .004)
DIMENSIONS:
MM
(INCHES)
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