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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B82462A4222M000
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7429797 |
Power Inductor (SMD), 2.2 µH, 2.3 A, Unshielded, 3.8 A, B82462A4 Series EPCOS
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5+ ¥160.45 (¥176.50) 50+ ¥114.16 (¥125.58) 250+ ¥110.99 (¥122.09) 500+ ¥107.83 (¥118.61) 1000+ ¥100.51 (¥110.56) 2500+ ¥94.97 (¥104.47) 12500+ ¥89.23 (¥98.15) 25000+ ¥83.69 (¥92.06) More Pricing... |
2.2µH | Power Inductor | 2.3A | - | Unshielded | 3.8A | - | B82462A4 Series | - | 0.042ohm | ± 20% | - | 6mm | 6mm | 3mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
MCSD43-680KU
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1864108 |
Power Inductor (SMD), 68 µH, 370 mA, Unshielded, MCSD43 Series MULTICOMP PRO
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1+ ¥141.58 (¥155.74) 2+ ¥109.76 (¥120.74) 3+ ¥99.85 (¥109.84) 5+ ¥89.75 (¥98.73) 10+ ¥75.84 (¥83.42) 20+ ¥65.55 (¥72.11) 50+ ¥52.79 (¥58.07) 100+ ¥45.55 (¥50.11) More Pricing... |
68µH | - | 370mA | - | Unshielded | - | - | MCSD43 Series | - | 1.117ohm | 10% | - | 4mm | 4.5mm | 3.2mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
IHLP3232DZER220M11.
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1895008 |
INDUCTOR, SHIELDED, 22UH, 3.3A, SMD VISHAY
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1+ ¥213.18 (¥234.50) 10+ ¥208.42 (¥229.26) |
22µH | - | 4.3A | - | Shielded | 3.3A | - | IHLP-3232DZ-11 Series | - | 0.0942ohm | 20% | - | 8.64mm | 8.18mm | 4mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
IFSC1515AHER4R7M01
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2008450 |
INDUCTOR, SHIELDED, 4.7UH, 2A, SMD VISHAY
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5+ ¥65.84 (¥72.42) 50+ ¥43.89 (¥48.28) 250+ ¥33.08 (¥36.39) 500+ ¥31.83 (¥35.01) 1000+ ¥30.57 (¥33.63) 2000+ ¥29.93 (¥32.92) 10000+ ¥29.34 (¥32.27) More Pricing... |
4.7µH | - | 2.2A | - | Shielded | 2A | - | IFSC-1515AH-01 Series | - | 0.09ohm | 20% | - | 3.8mm | 3.8mm | 1.8mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
PA4344.333ANLT
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2906461 |
INDUCTOR, SHIELDED, AEC-Q200, 33UH, 12A PULSE ELECTRONICS
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1+ ¥689.70 (¥758.67) 2+ ¥630.53 (¥693.58) 3+ ¥571.36 (¥628.50) 5+ ¥512.19 (¥563.41) 10+ ¥453.01 (¥498.31) 20+ ¥432.64 (¥475.90) 50+ ¥412.26 (¥453.49) 100+ ¥391.88 (¥431.07) More Pricing... |
33µH | - | 12A | - | Shielded | 12A | - | PA4344.XXXANLT Series | - | 0.037ohm | 20% | - | 17.8mm | 16.9mm | 6.7mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
HCMA0703-R47-R
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2762620 |
INDUCTOR, AEC-Q200, 0.47UH, 17.5A, 20% EATON
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1+ ¥359.82 (¥395.80) 10+ ¥314.84 (¥346.32) 100+ ¥260.87 (¥286.96) 500+ ¥233.88 (¥257.27) 1000+ ¥215.89 (¥237.48) 2000+ ¥201.50 (¥221.65) 4000+ ¥199.22 (¥219.14) More Pricing... |
470nH | - | 17.5A | - | Shielded | 26A | - | HCMA0703 Series | - | 0.0042ohm | 20% | - | 7.1mm | 6.8mm | 3mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SLF12565T-2R0N6R2-PF
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3212523 |
Power Inductor (SMD), 2 µH, 6.2 A, Shielded, 10 A, SLF Series TDK
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1+ ¥238.26 (¥262.09) 10+ ¥161.46 (¥177.61) 100+ ¥134.34 (¥147.77) 500+ ¥124.31 (¥136.74) 1000+ ¥109.89 (¥120.88) 2000+ ¥107.70 (¥118.47) 4000+ ¥105.50 (¥116.05) More Pricing... |
2µH | - | 6.2A | - | Shielded | 10A | - | SLF Series | - | 0.014ohm | 30% | - | 12.5mm | 12.5mm | 6.5mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
MPL-SE6040-6R8
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3501897 |
Power Inductor (SMD), 6.8 µH, 4.4 A, Semishielded, 4.1 A, MPL-SE Series MONOLITHIC POWER SYSTEMS (MPS)
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1+ ¥92.49 (¥101.74) 10+ ¥61.61 (¥67.77) 100+ ¥47.81 (¥52.59) 500+ ¥45.85 (¥50.44) 1000+ ¥43.89 (¥48.28) 2000+ ¥35.88 (¥39.47) More Pricing... |
6.8µH | - | 4.4A | - | Semishielded | 4.1A | - | MPL-SE Series | - | 0.04ohm | 20% | - | 6mm | 6mm | 4mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SPM5030T-100M-HZ
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3212576 |
Power Inductor (SMD), 10 µH, 2.9 A, Shielded, 2.6 A, SPM-HZ Series TDK
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1+ ¥261.78 (¥287.96) 10+ ¥188.10 (¥206.91) 100+ ¥151.58 (¥166.74) 500+ ¥151.43 (¥166.57) 1000+ ¥141.08 (¥155.19) 2000+ ¥135.52 (¥149.07) 4000+ ¥131.13 (¥144.24) More Pricing... |
10µH | - | 2.9A | - | Shielded | 2.6A | - | SPM-HZ Series | - | 0.159ohm | 20% | - | 5.2mm | 5mm | 3mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
IHLP2020CZER4R7M8A
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3796353 |
Power Inductor (SMD), 4.7 µH, 4.1 A, Shielded, 3.7 A, IHLP-2020CZ-8A Series VISHAY
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5+ ¥131.77 (¥144.95) 50+ ¥103.28 (¥113.61) 250+ ¥102.49 (¥112.74) 500+ ¥101.69 (¥111.86) 1000+ ¥96.35 (¥105.99) 2000+ ¥93.39 (¥102.73) 10000+ ¥90.42 (¥99.46) 20000+ ¥87.45 (¥96.20) More Pricing... |
4.7µH | - | 4.1A | - | Shielded | 3.7A | - | IHLP-2020CZ-8A Series | - | 0.0783ohm | 20% | - | 5.49mm | 5.18mm | 3mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
NRH3012T220MN
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2084876 |
INDUCTOR, SHIELDED, 22UH, 500MA, SMD TAIYO YUDEN
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5+ ¥34.49 (¥37.94) 50+ ¥22.89 (¥25.18) 250+ ¥17.87 (¥19.66) 500+ ¥16.31 (¥17.94) 1000+ ¥14.74 (¥16.21) 2000+ ¥13.33 (¥14.66) 10000+ ¥11.76 (¥12.94) 20000+ ¥11.53 (¥12.68) More Pricing... |
22µH | - | 500mA | - | Shielded | 500mA | - | NRH Series | - | 0.63ohm | 20% | - | 3mm | 3mm | 1.2mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
CLF10040T-6R8N-D
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2360976 |
Power Inductor (SMD), 6.8 µH, 3.7 A, Shielded, 4.8 A, CLF-D Series TDK
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1+ ¥244.53 (¥268.98) 10+ ¥180.27 (¥198.30) 100+ ¥137.32 (¥151.05) 500+ ¥127.13 (¥139.84) 1000+ ¥116.63 (¥128.29) 2000+ ¥113.50 (¥124.85) 4000+ ¥110.36 (¥121.40) More Pricing... |
6.8µH | - | 3.7A | - | Shielded | 4.8A | - | CLF-D Series | - | 0.0185ohm | 30% | - | 10mm | 9.7mm | 3.8mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
B82472G6472M000
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1644572RL |
Power Inductor (SMD), 4.7 µH, 2.5 A, Shielded, 2 A, B82472G6 Series EPCOS
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4.7µH | - | 2.5A | - | Shielded | 2A | - | B82472G6 Series | - | 0.03ohm | 20% | - | 7.3mm | 7.3mm | 4.5mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
1812PS-474KLC
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2287111 |
Power Inductor (SMD), 470 µH, 310 mA, Shielded, 120 mA, 1812PS Series COILCRAFT
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1+ ¥411.53 (¥452.68) 10+ ¥376.64 (¥414.30) 100+ ¥346.33 (¥380.96) 500+ ¥327.94 (¥360.73) 1000+ ¥283.26 (¥311.59) 2000+ ¥243.86 (¥268.25) 4000+ ¥216.77 (¥238.45) More Pricing... |
470µH | - | 310mA | - | Shielded | 120mA | - | 1812PS Series | - | 5.85ohm | 10% | - | 5.87mm | 4.98mm | 3.81mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
B82472G6103M000
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1644569 |
Power Inductor (SMD), 10 µH, 1.9 A, Shielded, 1.4 A, B82472G6 Series EPCOS
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1+ ¥187.03 (¥205.73) 10+ ¥145.82 (¥160.40) 100+ ¥113.19 (¥124.51) 500+ ¥94.73 (¥104.20) 1000+ ¥92.84 (¥102.12) 2000+ ¥90.95 (¥100.05) 4000+ ¥89.05 (¥97.96) More Pricing... |
10µH | - | 1.9A | - | Shielded | 1.4A | - | B82472G6 Series | - | 0.053ohm | 20% | - | 7.3mm | 7.3mm | 4.5mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
B82477P2334M000
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2114096 |
Power Inductor (SMD), 330 µH, 950 mA, Shielded, 680 mA, B82477P2 Series EPCOS
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1+ ¥302.53 (¥332.78) 10+ ¥219.45 (¥241.40) 100+ ¥177.13 (¥194.84) 500+ ¥151.98 (¥167.18) 1000+ ¥126.82 (¥139.50) 2000+ ¥124.29 (¥136.72) 4000+ ¥121.75 (¥133.93) More Pricing... |
330µH | - | 950mA | - | Shielded | 680mA | - | B82477P2 Series | - | 0.46ohm | 20% | - | 12.5mm | 12.5mm | 6mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
MSS1038-702NLC
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2297297 |
Power Inductor (SMD), 7 µH, 4.35 A, Shielded, 3.62 A, MSS1038 Series COILCRAFT
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250+ ¥308.80 (¥339.68) 1250+ ¥200.64 (¥220.70) 2500+ ¥196.63 (¥216.29) |
7µH | - | 4.35A | - | Shielded | 3.62A | - | MSS1038 Series | - | 0.027ohm | 30% | - | 10.2mm | 10mm | 3.8mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SLF7045T-471MR22-PF
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2215726 |
Power Inductor (SMD), Wirewound, 470 µH, 310 mA, Shielded, 220 mA, SLF Series TDK
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1+ ¥134.81 (¥148.29) 10+ ¥75.56 (¥83.12) 100+ ¥71.01 (¥78.11) 500+ ¥70.07 (¥77.08) 1000+ ¥61.45 (¥67.60) 2000+ ¥54.87 (¥60.36) 4000+ ¥53.78 (¥59.16) More Pricing... |
470µH | - | 310mA | - | Shielded | 220mA | - | SLF Series | - | 1.05ohm | 20% | - | 7mm | 7mm | 4.5mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
MSS1260T-105KLD
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2288456 |
Power Inductor (SMD), 1 mH, 680 mA, Shielded, 588 mA, MSS1260T Series COILCRAFT
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1+ ¥614.46 (¥675.91) 10+ ¥510.49 (¥561.54) 100+ ¥406.51 (¥447.16) 500+ ¥302.53 (¥332.78) 1000+ ¥280.59 (¥308.65) 2000+ ¥274.98 (¥302.48) 4000+ ¥269.37 (¥296.31) More Pricing... |
1mH | - | 680mA | - | Shielded | 588mA | - | MSS1260T Series | - | 1.335ohm | 10% | - | 12.3mm | 12.3mm | 6mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SRR0603-101KL
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2333881 |
Power Inductor (SMD), 100 µH, 300 mA, Shielded, 440 mA, SRR0603 Series BOURNS
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1+ ¥142.65 (¥156.92) 10+ ¥101.58 (¥111.74) 100+ ¥85.28 (¥93.81) 500+ ¥73.05 (¥80.36) 1000+ ¥50.79 (¥55.87) 2000+ ¥50.49 (¥55.54) 4000+ ¥50.41 (¥55.45) More Pricing... |
100µH | - | 300mA | - | Shielded | 440mA | - | SRR0603 Series | - | 1.5ohm | 10% | - | 6.5mm | 6.5mm | 3.3mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
VLS4012ET-4R7M
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2345245 |
Power Inductor (SMD), 4.7 µH, 1.9 A, Shielded, 1.4 A, VLS-E Series TDK
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1+ ¥85.49 (¥94.04) 10+ ¥59.37 (¥65.31) 100+ ¥53.26 (¥58.59) 500+ ¥51.42 (¥56.56) 1000+ ¥48.94 (¥53.83) 2000+ ¥46.06 (¥50.67) 4000+ ¥43.50 (¥47.85) More Pricing... |
4.7µH | - | 1.9A | - | Shielded | 1.4A | - | VLS-E Series | - | 0.118ohm | 20% | - | 4mm | 4mm | 1.2mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
UP1B-4R7-R
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2075665 |
Power Inductor (SMD), UNI-PAC™, 4.7 µH, 2.2 A, Unshielded, 2.6 A, UP1B Series EATON COILTRONICS
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1+ ¥253.94 (¥279.33) 10+ ¥166.16 (¥182.78) 100+ ¥137.16 (¥150.88) 500+ ¥135.75 (¥149.33) 1000+ ¥121.14 (¥133.25) |
4.7µH | - | 2.2A | - | Unshielded | 2.6A | - | UP1B Series | - | 0.0544ohm | 20% | - | 8.89mm | 6.1mm | 5mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SDR0805-221KL
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1828035 |
Power Inductor (SMD), 220 µH, 490 mA, Unshielded, 800 mA, SDR0805 Series BOURNS
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1+ ¥48.60 (¥53.46) 10+ ¥45.78 (¥50.36) 100+ ¥45.39 (¥49.93) 500+ ¥45.00 (¥49.50) 1000+ ¥44.61 (¥49.07) 2000+ ¥44.21 (¥48.63) 4000+ ¥43.33 (¥47.66) More Pricing... |
220µH | - | 490mA | - | Unshielded | 800mA | - | SDR0805 Series | - | 0.96ohm | 10% | - | 7.8mm | 7.8mm | 5.3mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
MPLCH0740L2R2
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2364590 |
Power Inductor (SMD), 2.2 µH, 9.3 A, Shielded, 9 A, MPLCH Series KEMET
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1+ ¥230.14 (¥253.15) 10+ ¥182.67 (¥200.94) 100+ ¥169.81 (¥186.79) 500+ ¥157.68 (¥173.45) 1000+ ¥149.32 (¥164.25) 2000+ ¥142.95 (¥157.25) 4000+ ¥137.99 (¥151.79) More Pricing... |
2.2µH | - | 9.3A | - | Shielded | 9A | - | MPLCH Series | - | 0.013ohm | 20% | - | 7.8mm | 6.7mm | 4mm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
MCPD1608MT6R8
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1861758 |
INDUCTOR, UN-SHIELDED, 6.8UH, SMD MULTICOMP PRO
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2000+ ¥83.87 (¥92.26) |
6.8µH | - | 1.2A | - | Unshielded | - | - | MCPD Series | - | 0.13ohm | 20% | - | 6.6mm | 4.45mm | 2.92mm |