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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PA4342.681NLT
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2906415 |
INDUCTOR, SHIELDED, AEC-Q200, 680NH, 22A PULSE ELECTRONICS
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1+ ¥184.37 (¥202.81) 10+ ¥132.88 (¥146.17) 50+ ¥110.45 (¥121.50) 100+ ¥102.30 (¥112.53) 200+ ¥96.65 (¥106.32) 500+ ¥92.33 (¥101.56) 2500+ ¥89.42 (¥98.36) 5000+ ¥87.64 (¥96.40) More Pricing... |
680nH | - | 22A | - | Shielded | 39A | - | PA4342.XXXNLT Series | - | 0.0027ohm | 20% | - | 11.5mm | 10.3mm | 4mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
PA4548.153NLT
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2906523 |
INDUCTOR, AEC-Q200, SHIELDED, 15UH, 20% PULSE ELECTRONICS
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1+ ¥140.13 (¥154.14) 50+ ¥100.90 (¥110.99) 100+ ¥83.72 (¥92.09) 250+ ¥77.28 (¥85.01) 500+ ¥72.99 (¥80.29) 1500+ ¥71.54 (¥78.69) 7500+ ¥70.08 (¥77.09) 15000+ ¥68.62 (¥75.48) More Pricing... |
15µH | - | 2.5A | - | Shielded | 3.5A | - | PA4548.XXXNLT Series | - | 0.18ohm | 20% | - | 7mm | 6.6mm | 2.2mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
1267AY-3R3N=P3
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2871579 |
Power Inductor (SMD), 3.3 µH, DG8040C Series MURATA
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1+ ¥64.27 (¥70.70) 10+ ¥61.98 (¥68.18) 100+ ¥59.69 (¥65.66) 500+ ¥57.39 (¥63.13) 1000+ ¥55.10 (¥60.61) 2000+ ¥52.81 (¥58.09) 4000+ ¥52.34 (¥57.57) More Pricing... |
3.3µH | - | - | - | - | - | 6.1A | DG8040C Series | - | 0.0156ohm | 30% | Ferrite | 8.3mm | 8.3mm | 4mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
IHLP2525CZER4R7MA1
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3518649 |
Power Inductor (SMD), 4.7 µH, 5.5 A, Shielded, 10 A, IHLP-2525CZ-A1 Series VISHAY
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5+ ¥152.54 (¥167.79) 50+ ¥110.20 (¥121.22) 250+ ¥106.05 (¥116.66) 500+ ¥101.89 (¥112.08) 1000+ ¥92.79 (¥102.07) 2000+ ¥84.28 (¥92.71) 10000+ ¥82.31 (¥90.54) 20000+ ¥80.33 (¥88.36) More Pricing... |
4.7µH | - | 5.5A | - | Shielded | 10A | - | IHLP-2525CZ-A1 Series | - | 0.04ohm | 20% | - | 6.86mm | 6.47mm | 3mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
MPL-AL5050-6R8
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3501819 |
Power Inductor (SMD), 6.8 µH, 6.1 A, Shielded, 7.6 A, MPL-AL Series MONOLITHIC POWER SYSTEMS (MPS)
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1+ ¥271.18 (¥298.30) 10+ ¥227.29 (¥250.02) 100+ ¥172.43 (¥189.67) 500+ ¥155.97 (¥171.57) 1000+ ¥147.19 (¥161.91) 2000+ ¥135.28 (¥148.81) 4000+ ¥132.58 (¥145.84) More Pricing... |
6.8µH | - | 6.1A | - | Shielded | 7.6A | - | MPL-AL Series | - | 0.0287ohm | 20% | - | 5.5mm | 5.3mm | 4.8mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
VLS6045EX-2R2N-H
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3288284 |
Power Inductor (SMD), AEC-Q200, 2.2 µH, 5.1 A, Semishielded, 7.5 A, VLS-EX-H Series TDK
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1+ ¥76.81 (¥84.49) 10+ ¥65.84 (¥72.42) 100+ ¥48.91 (¥53.80) 500+ ¥43.98 (¥48.38) 1000+ ¥39.04 (¥42.94) 2000+ ¥38.25 (¥42.08) 4000+ ¥37.49 (¥41.24) More Pricing... |
2.2µH | - | 5.1A | - | Semishielded | 7.5A | - | VLS-EX-H Series | - | 0.025ohm | 30% | - | 6mm | 6.3mm | 4.5mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
B82479A1333M000
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3877670 |
Power Inductor (SMD), 33 µH, Unshielded, 5.5 A, B82479A1 Series EPCOS
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1+ ¥242.97 (¥267.27) 10+ ¥175.56 (¥193.12) 100+ ¥119.76 (¥131.74) 500+ ¥106.28 (¥116.91) 1000+ ¥105.50 (¥116.05) 2000+ ¥103.39 (¥113.73) 4000+ ¥101.28 (¥111.41) More Pricing... |
33µH | - | - | 20MHz | Unshielded | 5.5A | 3A | B82479A1 Series | - | 0.066ohm | 20% | Ferrite | 15.24mm | 18.54mm | 7.11mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
IHLP2525CZER4R7M8A.
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2466820 |
INDUCTOR, SHIELDED, 4.7UH, 20%, 5.6A VISHAY
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5+ ¥200.64 (¥220.70) 50+ ¥170.86 (¥187.95) 250+ ¥123.05 (¥135.36) 500+ ¥113.02 (¥124.32) 1000+ ¥102.99 (¥113.29) 2000+ ¥92.96 (¥102.26) 10000+ ¥82.77 (¥91.05) 20000+ ¥82.73 (¥91.00) More Pricing... |
4.7µH | - | 5.6A | - | Shielded | 5.6A | - | IHLP-2525CZ-8A Series | - | 0.0384ohm | 20% | - | 6.86mm | 6.47mm | 3mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SRP7028A-R68M
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2434108 |
Power Inductor (SMD), 680 nH, 15.5 A, Shielded, 25 A, SRP7028A Series BOURNS
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1+ ¥177.13 (¥194.84) 10+ ¥135.59 (¥149.15) 100+ ¥112.08 (¥123.29) 500+ ¥101.42 (¥111.56) 1000+ ¥86.53 (¥95.18) 2000+ ¥81.86 (¥90.05) 4000+ ¥77.89 (¥85.68) More Pricing... |
680nH | - | 15.5A | - | Shielded | 25A | - | SRP7028A Series | - | 0.0055ohm | 20% | - | 7.3mm | 6.6mm | 2.8mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
PA4342.223ANLT
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2906399 |
INDUCTOR, SHIELDED, AEC-Q200, 22UH, 4.1A PULSE ELECTRONICS
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1+ ¥195.94 (¥215.53) 10+ ¥128.07 (¥140.88) 50+ ¥117.65 (¥129.42) 100+ ¥107.22 (¥117.94) 200+ ¥99.70 (¥109.67) 500+ ¥92.17 (¥101.39) 2500+ ¥89.35 (¥98.29) 5000+ ¥87.57 (¥96.33) More Pricing... |
22µH | - | 4.1A | - | Shielded | 5.5A | - | PA4342.XXXANLT Series | - | 0.066ohm | 20% | - | 11mm | 10mm | 3.8mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SRN6028-150M
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2428251 |
Power Inductor (SMD), 15 µH, 1.8 A, Semishielded, 1.6 A, SRN6028 Series BOURNS
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1+ ¥26.47 (¥29.12) 10+ ¥25.95 (¥28.55) 100+ ¥25.42 (¥27.96) 500+ ¥25.04 (¥27.54) |
15µH | - | 1.8A | - | Semishielded | 1.6A | - | SRN6028 Series | - | 0.114ohm | 20% | - | 6mm | 6mm | 2.8mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
1008PS-272KLC
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2286870 |
Power Inductor (SMD), 2.7 µH, 1.4 A, Shielded, 1.6 A, 1008PS Series COILCRAFT
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1+ ¥374.64 (¥412.10) 10+ ¥311.42 (¥342.56) 100+ ¥248.20 (¥273.02) 500+ ¥184.97 (¥203.47) 1000+ ¥170.86 (¥187.95) 2000+ ¥167.45 (¥184.20) 4000+ ¥164.03 (¥180.43) More Pricing... |
2.7µH | - | 1.4A | - | Shielded | 1.6A | - | 1008PS Series | - | 0.14ohm | 10% | - | 3.81mm | 3.78mm | 2.74mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
B82464G4105M000
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7429568 |
Power Inductor (SMD), 1 mH, 340 mA, Shielded, 350 mA, B82464G4 Series EPCOS
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1+ ¥253.94 (¥279.33) 10+ ¥143.59 (¥157.95) 100+ ¥137.79 (¥151.57) 500+ ¥124.47 (¥136.92) 1000+ ¥111.14 (¥122.25) 2000+ ¥109.92 (¥120.91) More Pricing... |
1mH | Power Inductor | 340mA | - | Shielded | 350mA | - | B82464G4 Series | - | 2.2ohm | ± 20% | - | 10.4mm | 10.4mm | 4.8mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
MPLCH0740L4R7
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2364599 |
Power Inductor (SMD), 4.7 µH, 5.8 A, Shielded, 6.5 A, MPLCH Series KEMET
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1+ ¥300.96 (¥331.06) 10+ ¥227.29 (¥250.02) 100+ ¥170.86 (¥187.95) 500+ ¥158.32 (¥174.15) 1000+ ¥143.12 (¥157.43) 2000+ ¥140.26 (¥154.29) 4000+ ¥137.40 (¥151.14) More Pricing... |
4.7µH | - | 5.8A | - | Shielded | 6.5A | - | MPLCH Series | - | 0.033ohm | 20% | - | 7.8mm | 6.7mm | 4mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SLF7055T-220M1R7-3PF
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2345167 |
Power Inductor (SMD), Wirewound, 22 µH, 2 A, Shielded, 1.7 A, SLF Series TDK
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1+ ¥153.62 (¥168.98) 10+ ¥107.22 (¥117.94) 100+ ¥84.18 (¥92.60) 500+ ¥76.34 (¥83.97) 1000+ ¥68.50 (¥75.35) 2000+ ¥67.13 (¥73.84) 4000+ ¥65.76 (¥72.34) More Pricing... |
22µH | - | 2A | - | Shielded | 1.7A | - | SLF Series | - | 0.0643ohm | 20% | - | 7mm | 7mm | 5.5mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
IHLP2525AHERR68M01
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1741337 |
Power Inductor (SMD), 680 nH, 9 A, Shielded, 17 A, IHLP-2525AH-01 Series VISHAY
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5+ ¥146.41 (¥161.05) 50+ ¥143.04 (¥157.34) 250+ ¥139.68 (¥153.65) 500+ ¥136.32 (¥149.95) 1000+ ¥132.76 (¥146.04) 2000+ ¥129.39 (¥142.33) 10000+ ¥126.03 (¥138.63) 20000+ ¥122.67 (¥134.94) More Pricing... |
680nH | - | 9A | - | Shielded | 17A | - | IHLP-2525AH-01 Series | - | 0.0139ohm | 20% | - | 6.86mm | 6.47mm | 1.8mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
38S451C
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2131696 |
INDUCTOR, 450NH, 16A, 20%, SMD MURATA POWER SOLUTIONS
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1+ ¥443.22 (¥487.54) 10+ ¥332.36 (¥365.60) 50+ ¥285.15 (¥313.67) 100+ ¥268.21 (¥295.03) 200+ ¥253.84 (¥279.22) 650+ ¥232.42 (¥255.66) 3250+ ¥218.88 (¥240.77) 6500+ ¥214.34 (¥235.77) More Pricing... |
450nH | - | 16A | - | Unshielded | 27A | - | 3800 Series | - | 0.0026ohm | 20% | - | 10.4mm | 10.4mm | 5.6mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
IHHP0806ABER1R0M01
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2497406 |
INDUCTOR, SHIELDED, 1UH, 2.7A, 20% VISHAY
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5+ ¥69.86 (¥76.85) |
1µH | - | 2.7A | - | Shielded | 3.3A | - | IHHP-0806AB-01 Series | - | 0.058ohm | 20% | - | 2mm | 1.6mm | 1.2mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SLR1050A-850KEC
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2780277 |
Power Inductor (SMD), 85 nH, 77.1 A, Shielded, 86 A, SLR1050 Series COILCRAFT
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1+ ¥299.40 (¥329.34) 10+ ¥248.35 (¥273.19) 100+ ¥197.30 (¥217.03) 500+ ¥146.25 (¥160.88) 1000+ ¥136.06 (¥149.67) 2000+ ¥133.34 (¥146.67) 4000+ ¥130.62 (¥143.68) More Pricing... |
85nH | - | 77.1A | - | Shielded | 86A | - | SLR1050 Series | - | 390µohm | 10% | - | 10.2mm | 7mm | 4.95mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
PA4343.561NLT
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2906444 |
INDUCTOR, SHIELDED, AEC-Q200, 560NH, 37A PULSE ELECTRONICS
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1+ ¥217.89 (¥239.68) 10+ ¥175.56 (¥193.12) 50+ ¥156.28 (¥171.91) 100+ ¥137.00 (¥150.70) 200+ ¥132.30 (¥145.53) 500+ ¥127.60 (¥140.36) 2500+ ¥125.05 (¥137.56) 5000+ ¥124.09 (¥136.50) More Pricing... |
560nH | - | 37A | - | Shielded | 58A | - | PA4343.XXXNLT Series | - | 0.0012ohm | 20% | - | 14mm | 12.8mm | 6.5mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SRR6038-390Y
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2617185 |
INDUCTOR, SHIELDED, 39UH, 1A, 30% BOURNS
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1+ ¥117.57 (¥129.33) 50+ ¥76.50 (¥84.15) 100+ ¥59.26 (¥65.19) 250+ ¥56.33 (¥61.96) 500+ ¥53.39 (¥58.73) 1000+ ¥50.46 (¥55.51) 5000+ ¥47.52 (¥52.27) 10000+ ¥46.56 (¥51.22) More Pricing... |
39µH | - | 1A | - | Shielded | 1.1A | - | SRR6038 Series | - | 0.138ohm | 30% | - | 6.8mm | 6.8mm | 3.8mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
ETQ-P5M3R3YGC
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3490267 |
INDUCTOR, 3.3UH, SHIELDED, 14.7A PANASONIC
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1+ ¥216.32 (¥237.95) 10+ ¥140.77 (¥154.85) 100+ ¥117.88 (¥129.67) 500+ ¥109.10 (¥120.01) 1000+ ¥96.41 (¥106.05) 2000+ ¥91.64 (¥100.80) 4000+ ¥90.75 (¥99.83) More Pricing... |
3.3µH | - | 14.7A | - | Shielded | 23.4A | - | PCC-M1050M Series | - | 7810µohm | ± 20% | - | 10.7mm | 10mm | 5mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SRP1770C-6R8M
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3280829 |
Power Inductor (SMD), Lead Frame, 6.8 µH, 22 A, Shielded, 30 A, SRP1770C Series BOURNS
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1+ ¥830.78 (¥913.86) 10+ ¥761.81 (¥837.99) 100+ ¥498.47 (¥548.32) 500+ ¥398.15 (¥437.97) 1000+ ¥388.23 (¥427.05) 2000+ ¥378.30 (¥416.13) 4000+ ¥368.37 (¥405.21) More Pricing... |
6.8µH | - | 22A | - | Shielded | 30A | - | SRP1770C Series | - | 0.0092ohm | 20% | - | 17.8mm | 16.9mm | 6.7mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SRP1265C-220M
|
3385436 |
Power Inductor (SMD), 22 µH, 10 A, Shielded, 12 A, SRP1265C Series BOURNS
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1+ ¥307.23 (¥337.95) 10+ ¥285.29 (¥313.82) 100+ ¥199.08 (¥218.99) 500+ ¥152.05 (¥167.26) 1000+ ¥137.94 (¥151.73) 2000+ ¥135.59 (¥149.15) 4000+ ¥133.24 (¥146.56) More Pricing... |
22µH | - | 10A | - | Shielded | 12A | - | SRP1265C Series | - | 0.037ohm | 20% | - | 12.6mm | 12.6mm | 6.2mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SRP7028C-100M
|
3280818 |
Power Inductor (SMD), Lead Frame, 10 µH, 3.5 A, Shielded, 6 A, SRP7028C Series BOURNS
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1+ ¥164.59 (¥181.05) 10+ ¥119.45 (¥131.40) 100+ ¥91.55 (¥100.71) 500+ ¥86.37 (¥95.01) 1000+ ¥64.90 (¥71.39) 2000+ ¥62.39 (¥68.63) 4000+ ¥61.45 (¥67.60) More Pricing... |
10µH | - | 3.5A | - | Shielded | 6A | - | SRP7028C Series | - | 0.068ohm | 20% | - | 7.1mm | 6.6mm | 2.8mm |