Bourns

Bourns SRN Semi-Shielded Power Inductor Series

Bourns has introduced the new SRN series of semi-shielded power inductors which are ideal for use in DC/DC converters.

  • Semi-shielded construction
  • Inductance range: 0.24 to 220 μH
  • High rated current - Irms up to 4.7 A Isat up to 8 A
  • RoHS compliant and halogen free

Product Description

Bourns has introduced the new SRN series of semi-shielded power inductors.
The SRN series combines the features of non-shielded and shielded inductors making them ideal for use in DC/DC converters which provide power management to mobile electronic devices computers data storage devices and consumer electronics.

Bourns' SRN series is also well-suited for industrial applications such as LED lighting control circuits and GPS equipment.
Bourns' new semi-shielded power inductor series includes models SRN2010 SRN2012 SRN2510 SRN2512 SRN4012 SRN4026 SRN5040 and SRN6028. These are designed using semi-magnetic shielding technology.

Instead of the conventional ferrite shield the magnetic shield of the SRN series uses an epoxy-ferrite powder mixture resin. This compound is applied to the perimeter of the inductor which envelops the winding. As a result the SRN model series inductors provide an effective magnetic shielding while emitting lower radiation compared to non-shielded inductors.
The power inductor family delivers high inductance with an inductance range of 0.24 to 220 μH. The series also features high-rated current with Irms up to 4.7 A and Isat up to 8 A. All the models are RoHS compliant and halogen free.

Typical applications

DC/DC converters Notebook computers Digital video cameras Hard drives Mobile phones TVs LCD displays.

Compliance

All models conform to RoHS and are halogen-free.

High rated current

Irms up to 4.7 A Isat up to 8 A.

Product Series
Compare Selected
  Order Code Manufacturer Part No Manufacturer / Description
Availability Price
Qty
2428235
SRN5040-150M

SRN5040-150M

BOURNS

Surface Mount Power Inductor, SRN5040 Series, 15 µH, ± 20%, Semishielded, 0.096 ohm, 1.8 A

INDUCTOR, SEMI-SHLD, 15UH, 20%, 1.8A; Product Range:SRN5040 Series; Inductance:15µH; Inductance Tolerance:± 20%; Inductor Construction:Semishielded; DC Resistance Max:0.096ohm; RMS Current (Irms):1.8A; Saturation Current (Isat):2A; Power Inductor Case:5m

3,163 

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  • 1,000 will be available for delivery on 18-Feb-2016
  • 1,000 will be available for delivery on 19-May-2016
  • More stock available week commencing 27/06/16
2428217
SRN4026-4R7M

SRN4026-4R7M

BOURNS

Surface Mount Power Inductor, SRN4026 Series, 4.7 µH, ± 20%, Semishielded, 0.048 ohm, 1.4 A

INDUCTOR, SEMI-SHLD, 4.7UH, 20%, 1.4A; Product Range:SRN4026 Series; Inductance:4.7µH; Inductance Tolerance:± 20%; Inductor Construction:Semishielded; DC Resistance Max:0.048ohm; RMS Current (Irms):1.4A; Saturation Current (Isat):1.4A; Power Inductor Cas

2,068 

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2428218
SRN4026-6R8M

SRN4026-6R8M

BOURNS

Surface Mount Power Inductor, SRN4026 Series, 6.8 µH, ± 20%, Semishielded, 0.084 ohm, 1.2 A

INDUCTOR, SEMI-SHLD, 6.8UH, 20%, 1.2A; Product Range:SRN4026 Series; Inductance:6.8µH; Inductance Tolerance:± 20%; Inductor Construction:Semishielded; DC Resistance Max:0.084ohm; RMS Current (Irms):1.2A; Saturation Current (Isat):1.2A; Power Inductor Cas

1,881 

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2428215
SRN4026-2R2Y

SRN4026-2R2Y

BOURNS

Surface Mount Power Inductor, SRN4026 Series, 2.2 µH, ± 30%, Semishielded, 0.029 ohm, 2.1 A

INDUCTOR, SEMI-SHLD, 2.2UH, 30%, 2.1A; Product Range:SRN4026 Series; Inductance:2.2µH; Inductance Tolerance:± 30%; Inductor Construction:Semishielded; DC Resistance Max:0.029ohm; RMS Current (Irms):2.1A; Saturation Current (Isat):2.1A; Power Inductor Cas

1,794 

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2428230
SRN5040-3R3M

SRN5040-3R3M

BOURNS

Surface Mount Power Inductor, SRN5040 Series, 3.3 µH, ± 20%, Semishielded, 0.027 ohm, 3.3 A

INDUCTOR, SEMI-SHLD, 3.3UH, 20%, 3.3A; Product Range:SRN5040 Series; Inductance:3.3µH; Inductance Tolerance:± 20%; Inductor Construction:Semishielded; DC Resistance Max:0.027ohm; RMS Current (Irms):3.3A; Saturation Current (Isat):3.8A; Power Inductor Cas

1,359 

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2428231
SRN5040-4R7M

SRN5040-4R7M

BOURNS

Surface Mount Power Inductor, SRN5040 Series, 4.7 µH, ± 20%, Semishielded, 0.035 ohm, 3.1 A

INDUCTOR, SEMI-SHLD, 4.7UH, 20%, 3.1A; Product Range:SRN5040 Series; Inductance:4.7µH; Inductance Tolerance:± 20%; Inductor Construction:Semishielded; DC Resistance Max:0.035ohm; RMS Current (Irms):3.1A; Saturation Current (Isat):3.3A; Power Inductor Cas

868 

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2428240
SRN6028-R90Y

SRN6028-R90Y

BOURNS

Surface Mount Power Inductor, SRN6028 Series, 900 nH, ± 30%, Semishielded, 0.017 ohm, 4.6 A

INDUCTOR, SEMI-SHLD, 0.9UH, 30%, 4.6A; Product Range:SRN6028 Series; Inductance:900nH; Inductance Tolerance:± 30%; Inductor Construction:Semishielded; DC Resistance Max:0.017ohm; RMS Current (Irms):4.6A; Saturation Current (Isat):6.7A; Power Inductor Cas

982 

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2428241
SRN6028-1R5Y

SRN6028-1R5Y

BOURNS

Surface Mount Power Inductor, SRN6028 Series, 1.5 µH, ± 30%, Semishielded, 0.021 ohm, 4.2 A

INDUCTOR, SEMI-SHLD, 1.5UH, 30%, 4.2A; Product Range:SRN6028 Series; Inductance:1.5µH; Inductance Tolerance:± 30%; Inductor Construction:Semishielded; DC Resistance Max:0.021ohm; RMS Current (Irms):4.2A; Saturation Current (Isat):5.1A; Power Inductor Cas

884 

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2428236
SRN5040-220M

SRN5040-220M

BOURNS

Surface Mount Power Inductor, SRN5040 Series, 22 µH, ± 20%, Semishielded, 0.152 ohm, 1.4 A

INDUCTOR, SEMI-SHLD, 22UH, 20%, 1.4A; Product Range:SRN5040 Series; Inductance:22µH; Inductance Tolerance:± 20%; Inductor Construction:Semishielded; DC Resistance Max:0.152ohm; RMS Current (Irms):1.4A; Saturation Current (Isat):1.6A; Power Inductor Case:

827 

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2428234
SRN5040-100M

SRN5040-100M

BOURNS

Surface Mount Power Inductor, SRN5040 Series, 10 µH, ± 20%, Semishielded, 0.068 ohm, 2.1 A

INDUCTOR, SEMI-SHLD, 10UH, 20%, 2.1A; Product Range:SRN5040 Series; Inductance:10µH; Inductance Tolerance:± 20%; Inductor Construction:Semishielded; DC Resistance Max:0.068ohm; RMS Current (Irms):2.1A; Saturation Current (Isat):2.3A; Power Inductor Case:

668 

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2428233
SRN5040-8R2M

SRN5040-8R2M

BOURNS

Surface Mount Power Inductor, SRN5040 Series, 8.2 µH, ± 20%, Semishielded, 0.065 ohm, 2.2 A

INDUCTOR, SEMI-SHLD, 8.2UH, 20%, 2.2A; Product Range:SRN5040 Series; Inductance:8.2µH; Inductance Tolerance:± 20%; Inductor Construction:Semishielded; DC Resistance Max:0.065ohm; RMS Current (Irms):2.2A; Saturation Current (Isat):2.4A; Power Inductor Cas

610 

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2428224
SRN4026-680M

SRN4026-680M

BOURNS

Surface Mount Power Inductor, SRN4026 Series, 68 µH, ± 20%, Semishielded, 0.852 ohm, 350 mA

INDUCTOR, SEMI-SHLD, 68UH, 20%, 0.35A; Product Range:SRN4026 Series; Inductance:68µH; Inductance Tolerance:± 20%; Inductor Construction:Semishielded; DC Resistance Max:0.852ohm; RMS Current (Irms):350mA; Saturation Current (Isat):350mA; Power Inductor Ca

2,899 

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2428214
SRN4026-1R2Y

SRN4026-1R2Y

BOURNS

Surface Mount Power Inductor, SRN4026 Series, 1.2 µH, ± 30%, Semishielded, 0.024 ohm, 2.75 A

INDUCTOR, SEMI-SHLD, 1.2UH, 30%, 2.75A; Product Range:SRN4026 Series; Inductance:1.2µH; Inductance Tolerance:± 30%; Inductor Construction:Semishielded; DC Resistance Max:0.024ohm; RMS Current (Irms):2.75A; Saturation Current (Isat):2.75A; Power Inductor

2,800 

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2428226
SRN4026-151M

SRN4026-151M

BOURNS

Surface Mount Power Inductor, SRN4026 Series, 150 µH, ± 20%, Semishielded, 1.92 ohm, 220 mA

INDUCTOR, SEMI-SHLD, 150UH, 20%, 0.22A; Product Range:SRN4026 Series; Inductance:150µH; Inductance Tolerance:± 20%; Inductor Construction:Semishielded; DC Resistance Max:1.92ohm; RMS Current (Irms):220mA; Saturation Current (Isat):220mA; Power Inductor C

2,182 

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2428192
SRN2510-R24M

SRN2510-R24M

BOURNS

Surface Mount Power Inductor, SRN2510 Series, 240 nH, ± 20%, Semishielded, 0.042 ohm, 3.1 A

INDUCTOR, SEMI-SHLD, 0.24UH, 20%, 3.1A; Product Range:SRN2510 Series; Inductance:240nH; Inductance Tolerance:± 20%; Inductor Construction:Semishielded; DC Resistance Max:0.042ohm; RMS Current (Irms):3.1A; Saturation Current (Isat):4.3A; Power Inductor Ca

2,000 

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2428243
SRN6028-3R0Y

SRN6028-3R0Y

BOURNS

Surface Mount Power Inductor, SRN6028 Series, 3 µH, ± 30%, Semishielded, 0.03 ohm, 3.4 A

INDUCTOR, SEMI-SHLD, 3UH, 30%, 3.4A; Product Range:SRN6028 Series; Inductance:3µH; Inductance Tolerance:± 30%; Inductor Construction:Semishielded; DC Resistance Max:0.03ohm; RMS Current (Irms):3.4A; Saturation Current (Isat):3.6A; Power Inductor Case:6mm

389 

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2428182
SRN2010-R24M

SRN2010-R24M

BOURNS

Surface Mount Power Inductor, SRN2010 Series, 240 nH, ± 20%, Semishielded, 0.028 ohm, 4.4 A

INDUCTOR, SEMI-SHLD, 0.24UH, 20%, 4.4A; Product Range:SRN2010 Series; Inductance:240nH; Inductance Tolerance:± 20%; Inductor Construction:Semishielded; DC Resistance Max:0.028ohm; RMS Current (Irms):4.4A; Saturation Current (Isat):5.1A; Power Inductor Ca

1,970 

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2428194
SRN2510-R68M

SRN2510-R68M

BOURNS

Surface Mount Power Inductor, SRN2510 Series, 680 nH, ± 20%, Semishielded, 0.055 ohm, 2.8 A

INDUCTOR, SEMI-SHLD, 0.68UH, 20%, 2.8A; Product Range:SRN2510 Series; Inductance:680nH; Inductance Tolerance:± 20%; Inductor Construction:Semishielded; DC Resistance Max:0.055ohm; RMS Current (Irms):2.8A; Saturation Current (Isat):2.9A; Power Inductor Ca

1,970 

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2428216
SRN4026-3R3M

SRN4026-3R3M

BOURNS

Surface Mount Power Inductor, SRN4026 Series, 3.3 µH, ± 20%, Semishielded, 0.036 ohm, 1.6 A

INDUCTOR, SEMI-SHLD, 3.3UH, 20%, 1.6A; Product Range:SRN4026 Series; Inductance:3.3µH; Inductance Tolerance:± 20%; Inductor Construction:Semishielded; DC Resistance Max:0.036ohm; RMS Current (Irms):1.6A; Saturation Current (Isat):1.6A; Power Inductor Cas

1,967 

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2428183
SRN2010-R47M

SRN2010-R47M

BOURNS

Surface Mount Power Inductor, SRN2010 Series, 470 nH, ± 20%, Semishielded, 0.042 ohm, 3.3 A

INDUCTOR, SEMI-SHLD, 0.47UH, 20%, 3.3A; Product Range:SRN2010 Series; Inductance:470nH; Inductance Tolerance:± 20%; Inductor Construction:Semishielded; DC Resistance Max:0.042ohm; RMS Current (Irms):3.3A; Saturation Current (Isat):3.8A; Power Inductor Ca

1,940 

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2428198
SRN2512-R33M

SRN2512-R33M

BOURNS

Surface Mount Power Inductor, SRN2512 Series, 330 nH, ± 20%, Semishielded, 0.032 ohm, 4.5 A

INDUCTOR, SEMI-SHLD, 0.33UH, 20%, 4.5A; Product Range:SRN2512 Series; Inductance:330nH; Inductance Tolerance:± 20%; Inductor Construction:Semishielded; DC Resistance Max:0.032ohm; RMS Current (Irms):4.5A; Saturation Current (Isat):5.7A; Power Inductor Ca

1,940 

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2428200
SRN2512-R68M

SRN2512-R68M

BOURNS

Surface Mount Power Inductor, SRN2512 Series, 680 nH, ± 20%, Semishielded, 0.043 ohm, 3.6 A

INDUCTOR, SEMI-SHLD, 0.68UH, 20%, 3.6A; Product Range:SRN2512 Series; Inductance:680nH; Inductance Tolerance:± 20%; Inductor Construction:Semishielded; DC Resistance Max:0.043ohm; RMS Current (Irms):3.6A; Saturation Current (Isat):4.5A; Power Inductor Ca

1,940 

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2428184
SRN2010-R68M

SRN2010-R68M

BOURNS

Surface Mount Power Inductor, SRN2010 Series, 680 nH, ± 20%, Semishielded, 0.055 ohm, 2.8 A

INDUCTOR, SEMI-SHLD, 0.68UH, 20%, 2.8A; Product Range:SRN2010 Series; Inductance:680nH; Inductance Tolerance:± 20%; Inductor Construction:Semishielded; DC Resistance Max:0.055ohm; RMS Current (Irms):2.8A; Saturation Current (Isat):3.2A; Power Inductor Ca

1,930 

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2428191
SRN2012-2R2M

SRN2012-2R2M

BOURNS

Surface Mount Power Inductor, SRN2012 Series, 2.2 µH, ± 20%, Semishielded, 0.186 ohm, 1.3 A

INDUCTOR, SEMI-SHLD, 2.2UH, 20%, 1.3A; Product Range:SRN2012 Series; Inductance:2.2µH; Inductance Tolerance:± 20%; Inductor Construction:Semishielded; DC Resistance Max:0.186ohm; RMS Current (Irms):1.3A; Saturation Current (Isat):1.6A; Power Inductor Cas

1,821 

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2428223
SRN4026-470M

SRN4026-470M

BOURNS

Surface Mount Power Inductor, SRN4026 Series, 47 µH, ± 20%, Semishielded, 0.594 ohm, 400 mA

INDUCTOR, SEMI-SHLD, 47UH, 20%, 0.4A; Product Range:SRN4026 Series; Inductance:47µH; Inductance Tolerance:± 20%; Inductor Construction:Semishielded; DC Resistance Max:0.594ohm; RMS Current (Irms):400mA; Saturation Current (Isat):400mA; Power Inductor Cas

1,654 

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