SMD Power Inductors
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An SMD Inductor, or Surface Mount Device Inductor, has no wire leads on its ends. This type of inductor is mounted directly to the surface of a circuit board via a metal pad on each end of the device.
An SMD inductor commonly comprises a small coil shaped much like a spring, made of an electrically conductive wire. Some SMD inductors have a core of some type at the centre of the coil. Depending on the material chosen to serve as a core, often ferrite based, and the size and density of the core itself, the operational properties of the coil can be altered to fit specific needs.
How to choose a suitable device
As SMD power inductors are typically used for switching power supplies in portable applications like mobile phones, choosing a suitable device depends above all on its size. Circuit board space is at a premium, especially as ever more functionality, and an associated increase in current, is added to the phone.
Other key criteria include the device’s inductance value at the power supply switching frequency, its coil DC resistance, the additional saturation current, the additional RMS current, the equivalent series impedance (ESR) and the Q factor. The choice of shielded or unshielded inductor type is also important, and depends on the application.
Since chip inductor manufacturers rarely provide ESR and Q factor information, designers should ask them for it. The relationship between the inductance and the current given by the manufacturer is often limited to 25°C, so the relevant data within the desired operating temperature range should be obtained. The worst case is generally 85°C.
Manufacturer Part No | Order Code | Description / Manufacturer | Availability | Price For |
Price (Incl JCT)
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Quantity | Inductance | Inductor Type | RMS Current (Irms) | Self Resonant Frequency | Inductor Construction | Saturation Current (Isat) | DC Current Rating | Product Range | Inductor Case / Package | DC Resistance Max | Inductance Tolerance | Core Material | Product Length | Product Width | Product Height | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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LCXND6060PKT150MMG
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4065118 |
Inductance:15µH TAIYO YUDEN
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1+ ¥76.81 (¥84.49) 10+ ¥55.49 (¥61.04) 100+ ¥39.98 (¥43.98) 500+ ¥37.71 (¥41.48) 1000+ ¥35.43 (¥38.97) 2000+ ¥33.24 (¥36.56) 4000+ ¥32.58 (¥35.84) More Pricing... |
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15µH | - | 1.15A | - | Wirewound | 1.15A | - | LCXN Series | - | 0.252ohm | 20% | - | 6mm | 6mm | 1.4mm | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
LBCNF1608KKTR56MAD
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4575008 |
POWER INDUCTOR, 560NH, 2.8A, 20% TAIYO YUDEN
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1+ ¥75.12 (¥82.63) 10+ ¥54.28 (¥59.71) 100+ ¥42.26 (¥46.49) 500+ ¥39.46 (¥43.41) 1000+ ¥36.33 (¥39.96) 2000+ ¥33.39 (¥36.73) 4000+ ¥32.02 (¥35.22) More Pricing... |
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- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SRN6028-330M
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2428253 |
Power Inductor (SMD), 33 µH, 1.1 A, Semishielded, 1.1 A, SRN6028 Series BOURNS
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1+ ¥52.75 (¥58.03) 10+ ¥41.84 (¥46.02) 100+ ¥36.89 (¥40.58) 500+ ¥34.95 (¥38.45) 1000+ ¥32.78 (¥36.06) 2000+ ¥30.04 (¥33.04) 4000+ ¥28.04 (¥30.84) More Pricing... |
33µH | - | 1.1A | - | Semishielded | 1.1A | - | SRN6028 Series | - | 0.264ohm | 20% | - | 6mm | 6mm | 2.8mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SRP1265C-3R3M
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3385430 |
Power Inductor (SMD), 3.3 µH, 22 A, Shielded, 37 A, SRP1265C Series BOURNS
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1+ ¥188.10 (¥206.91) 10+ ¥139.83 (¥153.81) 50+ ¥128.31 (¥141.14) 100+ ¥116.78 (¥128.46) 200+ ¥105.26 (¥115.79) 500+ ¥93.74 (¥103.11) 2500+ ¥91.87 (¥101.06) 5000+ ¥90.00 (¥99.00) More Pricing... |
3.3µH | - | 22A | - | Shielded | 37A | - | SRP1265C Series | - | 0.0068ohm | 20% | - | 12.6mm | 12.6mm | 6.2mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SRP1770C-470M
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3280836 |
Power Inductor (SMD), Lead Frame, 47 µH, 8.7 A, Shielded, 13 A, SRP1770C Series BOURNS
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1+ ¥536.09 (¥589.70) 10+ ¥398.15 (¥437.97) 100+ ¥305.67 (¥336.24) 500+ ¥277.45 (¥305.20) 1000+ ¥264.91 (¥291.40) 2000+ ¥259.62 (¥285.58) 4000+ ¥254.32 (¥279.75) More Pricing... |
47µH | - | 8.7A | - | Shielded | 13A | - | SRP1770C Series | - | 0.053ohm | 20% | - | 17.8mm | 16.9mm | 6.7mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
FDSD0518-H-3R3M=P3
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2530098 |
Power Inductor (SMD), 3.3 µH, 4 A, Shielded, 5.7 A, FDSD0518 Series MURATA
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5+ ¥103.87 (¥114.26) 50+ ¥82.70 (¥90.97) 250+ ¥75.78 (¥83.36) |
3.3µH | - | 4A | - | Shielded | 5.7A | - | FDSD0518 Series | - | 0.058ohm | 20% | - | 5.2mm | 4.9mm | 1.8mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
ELLVGG2R2N
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1717412 |
Power Inductor (SMD), Choke Coil, 2.2 µH, 1.4 A, Shielded, 1.6 A, ELL-VGG Series PANASONIC
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5+ ¥85.39 (¥93.93) |
2.2µH | - | 1.4A | - | Shielded | 1.6A | - | ELL-VGG Series | - | 0.092ohm | 30% | - | 3mm | 3mm | 1.5mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SRN6028-220M
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2428252 |
Power Inductor (SMD), 22 µH, 1.4 A, Semishielded, 1.3 A, SRN6028 Series BOURNS
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1+ ¥52.75 (¥58.03) 50+ ¥41.84 (¥46.02) 100+ ¥36.89 (¥40.58) 250+ ¥34.95 (¥38.45) 500+ ¥32.78 (¥36.06) 1000+ ¥30.04 (¥33.04) 5000+ ¥28.04 (¥30.84) 10000+ ¥27.10 (¥29.81) More Pricing... |
22µH | - | 1.4A | - | Semishielded | 1.3A | - | SRN6028 Series | - | 0.162ohm | 20% | - | 6mm | 6mm | 2.8mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
FDSD0420-H-3R3M=P3
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2530088 |
Power Inductor (SMD), 3.3 µH, 3.4 A, Shielded, 4.9 A, FDSD0420 Series MURATA
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5+ ¥115.74 (¥127.31) |
3.3µH | - | 3.4A | - | Shielded | 4.9A | - | FDSD0420 Series | - | 0.071ohm | 20% | - | 4.2mm | 4.2mm | 2mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
L1210R330KDWIT
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2846712 |
Power Inductor (SMD), 33 µH, 570 mA, Shielded, 500 mA, L-DWI Series, 1210 [3225 Metric] KEMET
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10+ ¥64.30 (¥70.73) 100+ ¥42.54 (¥46.79) |
33µH | - | 570mA | - | Shielded | 500mA | - | L-DWI Series | 1210 [3225 Metric] | 0.41ohm | 10% | - | 3.2mm | 2.5mm | 2.5mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SRP0520-100K
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3410601 |
Power Inductor (SMD), 10 µH, 2.4 A, Shielded, 4 A, SRP0520 Series BOURNS
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1+ ¥133.83 (¥147.21) 10+ ¥106.15 (¥116.77) 100+ ¥93.85 (¥103.24) 500+ ¥89.01 (¥97.91) 1000+ ¥83.52 (¥91.87) 2000+ ¥76.44 (¥84.08) 4000+ ¥71.16 (¥78.28) More Pricing... |
10µH | - | 2.4A | - | Shielded | 4A | - | SRP0520 Series | - | 0.152ohm | 10% | - | 5.4mm | 5.1mm | 2mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SRP1265C-6R8M
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3385432 |
Power Inductor (SMD), 6.8 µH, 15 A, Shielded, 25 A, SRP1265C Series BOURNS
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1+ ¥216.42 (¥238.06) 10+ ¥183.57 (¥201.93) 100+ ¥130.15 (¥143.17) 500+ ¥120.13 (¥132.14) 1000+ ¥117.73 (¥129.50) 2000+ ¥115.33 (¥126.86) 4000+ ¥112.93 (¥124.22) More Pricing... |
6.8µH | - | 15A | - | Shielded | 25A | - | SRP1265C Series | - | 0.0132ohm | 20% | - | 12.6mm | 12.6mm | 6.2mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SRP0415-1R0K
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3410555 |
Power Inductor (SMD), 1 µH, 6.1 A, Shielded, 9.4 A, SRP0415 Series BOURNS
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5+ ¥130.38 (¥143.42) 50+ ¥106.44 (¥117.08) |
1µH | - | 6.1A | - | Shielded | 9.4A | - | SRP0415 Series | - | 0.0225ohm | 10% | - | 4.4mm | 4.1mm | 1.5mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SRP0612-6R8K
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3410610 |
Power Inductor (SMD), 6.8 µH, 3 A, Shielded, 4 A, SRP0612 Series BOURNS
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5+ ¥145.42 (¥159.96) 50+ ¥118.71 (¥130.58) |
6.8µH | - | 3A | - | Shielded | 4A | - | SRP0612 Series | - | 0.125ohm | 10% | - | 7.1mm | 6.7mm | 1.2mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
7847709471
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3517125 |
Power Inductor (SMD), 470 µH, 900 mA, Shielded, 1.1 A, WE-PDA Series WURTH ELEKTRONIK
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1+ ¥402.85 (¥443.14) 10+ ¥368.37 (¥405.21) 100+ ¥324.48 (¥356.93) 500+ ¥253.94 (¥279.33) 1000+ ¥231.99 (¥255.19) 2000+ ¥227.36 (¥250.10) 4000+ ¥222.72 (¥244.99) More Pricing... |
470µH | - | 900mA | - | Shielded | 1.1A | - | WE-PDA Series | - | 0.49ohm | 20% | - | 12mm | 12mm | 10mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SRP0312-1R0K
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3410530 |
Power Inductor (SMD), 1 µH, 4.7 A, Shielded, 5 A, SRP0312 Series BOURNS
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10+ ¥121.68 (¥133.85) 20+ ¥115.54 (¥127.09) 50+ ¥109.61 (¥120.57) |
1µH | - | 4.7A | - | Shielded | 5A | - | SRP0312 Series | - | 0.034ohm | 10% | - | 3.4mm | 3.1mm | 1.2mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SRP0512-6R8K
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3410581 |
Power Inductor (SMD), 6.8 µH, 2.2 A, Shielded, 3.5 A, SRP0512 Series BOURNS
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10+ ¥92.64 (¥101.90) 100+ ¥91.39 (¥100.53) 500+ ¥90.14 (¥99.15) 1000+ ¥80.10 (¥88.11) 2000+ ¥73.13 (¥80.44) 4000+ ¥66.15 (¥72.77) 20000+ ¥64.59 (¥71.05) 40000+ ¥63.71 (¥70.08) More Pricing... |
6.8µH | - | 2.2A | - | Shielded | 3.5A | - | SRP0512 Series | - | 0.175ohm | 10% | - | 5.4mm | 5.1mm | 1.2mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SRP1038C-8R2M
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3280854 |
Power Inductor (SMD), Lead Frame, 8.2 µH, 9 A, Shielded, 13.5 A, SRP1038C Series BOURNS
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1+ ¥202.21 (¥222.43) 10+ ¥172.43 (¥189.67) 50+ ¥146.96 (¥161.66) 100+ ¥121.49 (¥133.64) 200+ ¥108.79 (¥119.67) 500+ ¥96.09 (¥105.70) 2500+ ¥87.47 (¥96.22) 5000+ ¥85.73 (¥94.30) More Pricing... |
8.2µH | - | 9A | - | Shielded | 13.5A | - | SRP1038C Series | - | 0.0225ohm | 20% | - | 11mm | 10mm | 3.8mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SRP5030C-1R0M
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3385016 |
Power Inductor (SMD), 1 µH, 10 A, Shielded, 12 A, SRP5030C Series BOURNS
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5+ ¥135.72 (¥149.29) 50+ ¥107.43 (¥118.17) 250+ ¥105.06 (¥115.57) 500+ ¥102.88 (¥113.17) 1000+ ¥100.51 (¥110.56) 2000+ ¥82.90 (¥91.19) 10000+ ¥82.70 (¥90.97) 20000+ ¥82.50 (¥90.75) More Pricing... |
1µH | - | 10A | - | Shielded | 12A | - | SRP5030C Series | - | 0.014ohm | 20% | - | 5.7mm | 5.2mm | 2.8mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SRP1770C-1R5M
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3280824 |
Power Inductor (SMD), Lead Frame, 1.5 µH, 42 A, Shielded, 55 A, SRP1770C Series BOURNS
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1+ ¥470.25 (¥517.28) 10+ ¥340.15 (¥374.17) 100+ ¥293.13 (¥322.44) 500+ ¥283.73 (¥312.10) 1000+ ¥274.32 (¥301.75) 2000+ ¥268.84 (¥295.72) 4000+ ¥263.35 (¥289.69) More Pricing... |
1.5µH | - | 42A | - | Shielded | 55A | - | SRP1770C Series | - | 0.0021ohm | 20% | - | 17.8mm | 16.9mm | 6.7mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SRP0312-2R2K
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3410532 |
Power Inductor (SMD), 2.2 µH, 3.1 A, Shielded, 3.7 A, SRP0312 Series BOURNS
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10+ ¥124.45 (¥136.90) |
2.2µH | - | 3.1A | - | Shielded | 3.7A | - | SRP0312 Series | - | 0.074ohm | 10% | - | 3.4mm | 3.1mm | 1.2mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SRP1245C-220M
|
3384961 |
Power Inductor (SMD), 22 µH, 7.5 A, Shielded, 11 A, SRP1245C Series BOURNS
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1+ ¥178.70 (¥196.57) 10+ ¥132.93 (¥146.22) 100+ ¥114.12 (¥125.53) 500+ ¥108.01 (¥118.81) 1000+ ¥101.89 (¥112.08) 2000+ ¥95.23 (¥104.75) 4000+ ¥88.57 (¥97.43) More Pricing... |
22µH | - | 7.5A | - | Shielded | 11A | - | SRP1245C Series | - | 0.058ohm | 20% | - | 12.6mm | 12.6mm | 4.7mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SRU2013-470Y
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3373437 |
Power Inductor (SMD), 47 µH, 250 mA, Shielded, 230 mA, SRU2013 Series BOURNS
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1+ ¥97.73 (¥107.50) 10+ ¥77.52 (¥85.27) 100+ ¥68.35 (¥75.19) 500+ ¥64.76 (¥71.24) 1000+ ¥60.73 (¥66.80) 2000+ ¥55.66 (¥61.23) 4000+ ¥51.95 (¥57.15) More Pricing... |
47µH | - | 250mA | - | Shielded | 230mA | - | SRU2013 Series | - | 2.86ohm | 30% | - | 2.8mm | 2.8mm | 1.35mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SRP0320-4R7K
|
3410542 |
Power Inductor (SMD), 4.7 µH, 2.2 A, Shielded, 3 A, SRP0320 Series BOURNS
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5+ ¥56.90 (¥62.59) |
4.7µH | - | 2.2A | - | Shielded | 3A | - | SRP0320 Series | - | 0.156ohm | 10% | - | 3.4mm | 3.1mm | 2mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SRP0515-1R5K
|
3410587 |
Power Inductor (SMD), 1.5 µH, 6.3 A, Shielded, 9.4 A, SRP0515 Series BOURNS
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5+ ¥77.76 (¥85.54) |
1.5µH | - | 6.3A | - | Shielded | 9.4A | - | SRP0515 Series | - | 0.0242ohm | 10% | - | 5.4mm | 5.1mm | 1.5mm |