SRP4012 Datasheet, PDF (1/2 Pages) Bourns Electronic Solutions – Shielded Power Inductors

*RoHS ^COMPLIANT
R22
Features
■ Shielded construction
■ Flat wire
■ Unit height of 1.2 mm
■ Inductance range: 0.22 to 1.5 μH
■ Rated current up to 9 A
■ RoHS compliant* and halogen free**
Applications
■ DC/DC converters
■ Power supplies for:
• Portable communications equipment
• Laptop computers
• Camcorders, HDTV, car audio
systems
• Video game consoles
SRP4012 Series - Shielded Power Inductors
Electrical Specifications
Bourns Part No.
SRP4012-R22M
SRP4012-R47M
SRP4012-R56M
SRP4012-1R0M
SRP4012-1R2M
SRP4012-1R5M
Inductance
L (μH) ±20 %
0.22
0.47
0.56
1.0
1.2
1.5
I rms
(A)
9
6.5
5.5
4.8
3
3
I sat
(A)
10
9
8
6.3
6
5.5
DCR
(mΩ) Max.
9.3
20
25
33.6
45
50
Soldering Profile
275
<1> Maximum of 10 seconds
between +255 °C and +260 °C
225
<1> 255 °C
260 °C peak
220 °C
190°C
60 seconds
Ramp Down
175
maximum
5 °C/second
150 °C
125
75
25
0
120-150 seconds
10 seconds minimum
Ramp Up
4 °C/second maximum
50
100
150
200
250
300
Time (Seconds)
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.
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
4.7 _MAX.
(.185)
R22
4.0 ± 0.2
(.157 ± .008)
Electrical Schematic
Recommended Layout
2.2
(.087)
6.0
(.236)
1.5
(.059)
4.0 ± 0.2
(.157 ± .008)
1.2 _MAX.
(.047)
0.0 - 0.3
(0.0 - .012)
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0.6 ± 0.1
(.024 ± .004)
1.0 ± 0.3
(.039 ± .012)
DIMENSIONS:
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.
Customers should verify actual device performance in their specific applications.