Motor Run Capacitors
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We offer a selection of motor run capacitors to improve single-phase AC motor running characteristics while not drawing excessive current
What is a motor run capacitor?
A motor capacitor, such as a start capacitor or run capacitor (including a dual run capacitor) is an electrical capacitor that alters the current to one or more windings of a single-phase alternating-current induction motor to create a rotating magnetic field.
There are two common types of motor capacitors: motor run capacitors and motor start capacitors.
Motor run capacitors: Some single-phase AC electric motors require a "run capacitor" to energise the second-phase winding (auxiliary coil) to create a rotating magnetic field while the motor is running.
Run capacitors are designed for continuous duty while the motor is powered, which is why electrolytic capacitors are avoided, and low-loss polymer capacitors are used. Run capacitors are mostly polypropylene film capacitors.
What does a motor run capacitor do?
A variation of the capacitor-start motor is to start the motor with a relatively large start capacitor for high starting torque, but leave a smaller value motor run capacitor in place after starting to improve running characteristics while not drawing excessive current. The additional complexity of the capacitor-run motor is justified for larger size motors.
We offer Ducati metal case (safety class S2) capacitors, labelled on the case. They have the main international certification (IMQ-VDE-UL-GOST).
The Kemet C87 series capacitors are polypropylene metallized film types with a cylindrical, aluminium can-type design filled with resin. They use faston, plastic deck or cable terminals, and an overpressure safety device.
They are self-healing and VDE, CQC, and UL810 approved, with a rated frequency of 50Hz and 60Hz. They have high capacitance density and safety device protection.
Typical applications include motor run S2 safety class: single-phase motors, low power electric motors, and compressors.
Manufacturer Part No | Order Code | Description / Manufacturer | Availability | Price For |
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Quantity | Dielectric Type | Capacitor Case / Package | Capacitance | Capacitance Tolerance | Capacitor Mounting | Voltage(AC) | Capacitor Terminals | Lead Spacing | dv/dt Rating | Product Diameter | Product Height | Product Range | Operating Temperature Min | Operating Temperature Max | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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4.16.10.13.64
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1219055 |
Motor Run Capacitor, Metallized PP, Can, 8 µF, ± 5%, 450 V DUCATI
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1+ $7.82 ($8.99) 10+ $7.06 ($8.12) 50+ $6.26 ($7.20) 100+ $5.67 ($6.52) 250+ $5.11 ($5.88) |
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Metallized PP | Can | 8µF | ± 5% | - | 450V | Quick Connect | 14.4mm | 20V/µs | 32mm | 55mm | 4.16.10 | -25°C | 70°C | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
4.16.10.25.14
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1219045 |
Motor Run Capacitor, Metallized PP, Can, 20 µF, ± 5%, 450 V DUCATI
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1+ $23.05 ($26.51) 2+ $20.84 ($23.97) 3+ $18.51 ($21.29) 5+ $16.82 ($19.34) 10+ $14.98 ($17.23) 20+ $14.39 ($16.55) More Pricing... |
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Metallized PP | Can | 20µF | ± 5% | - | 450V | Wire Leaded | - | 20V/µs | 40mm | 70mm | 4.16.10 | -25°C | 70°C | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
4.16.10.06.14
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1219037 |
Motor Run Capacitor, Metallized PP, Can, 4 µF, ± 5%, 450 V DUCATI
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1+ $11.15 ($12.82) 10+ $10.07 ($11.58) 50+ $8.95 ($10.29) 100+ $8.12 ($9.34) 250+ $7.25 ($8.34) |
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Metallized PP | Can | 4µF | ± 5% | - | 450V | Wire Leaded | - | 20V/µs | 28mm | 55mm | 4.16.10 | -25°C | 70°C | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
4.16.10.08.14
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1219038 |
Motor Run Capacitor, Metallized PP, Can, 5 µF, ± 5%, 450 V DUCATI
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1+ $9.07 ($10.43) 10+ $8.89 ($10.22) 100+ $8.72 ($10.03) |
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Metallized PP | Can | 5µF | ± 5% | - | 450V | Wire Leaded | - | 20V/µs | 28mm | 55mm | 4.16.10 | -25°C | 70°C | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
4.16.10.26.14
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1219046 |
Motor Run Capacitor, Metallized PP, Can, 25 µF, ± 5%, 450 V DUCATI
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1+ $20.21 ($23.24) 2+ $18.26 ($21.00) 3+ $16.18 ($18.61) 5+ $14.65 ($16.85) 10+ $13.46 ($15.48) |
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Metallized PP | Can | 25µF | ± 5% | - | 450V | Wire Leaded | - | 20V/µs | 40mm | 92mm | 4.16.10 | -25°C | 70°C | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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4.16.15.01.64
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1219050 |
Motor Run Capacitor, Metallized PP, Can, 2 µF, ± 5%, Stud Mount - M8, 450 V DUCATI
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1+ $6.28 ($7.22) 10+ $5.68 ($6.53) 50+ $5.05 ($5.81) 100+ $4.58 ($5.27) 250+ $4.09 ($4.70) 500+ $3.92 ($4.51) More Pricing... |
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Metallized PP | Can | 2µF | ± 5% | Stud Mount - M8 | 450V | Quick Connect | 14.4mm | 20V/µs | 28mm | 55mm | 4.16.15 | -25°C | 70°C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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C274AC35250AA0J
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1789705 |
Motor Run Capacitor, Metallized PP, Can, 25 µF, ± 5%, Stud Mount - M8, 470 V KEMET
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1+ $16.44 ($18.91) 10+ $14.29 ($16.43) 50+ $12.67 ($14.57) 100+ $11.56 ($13.29) 500+ $10.20 ($11.73) 1000+ $9.46 ($10.88) 2000+ $9.29 ($10.68) More Pricing... |
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Metallized PP | Can | 25µF | ± 5% | Stud Mount - M8 | 470V | Quick Connect, Snap-In | 13.4mm | 20V/µs | 45mm | 93mm | C27 Series | -25°C | 85°C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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4.16.15.01.14
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1219035 |
Motor Run Capacitor, Metallized PP, Can, 2 µF, ± 5%, Stud Mount - M8, 450 V DUCATI
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1+ $14.41 ($16.57) 10+ $13.04 ($15.00) 50+ $11.58 ($13.32) |
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Metallized PP | Can | 2µF | ± 5% | Stud Mount - M8 | 450V | Wire Leaded | - | 20V/µs | 28mm | 55mm | 4.16.15 | -25°C | 70°C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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B32332I6356J082
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2218096 |
Motor Run Capacitor, Metallized PP, Can, 35 µF, ± 5%, Stud Mount - M8, 450 V EPCOS
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1+ $29.20 ($33.58) 10+ $27.74 ($31.90) 50+ $23.36 ($26.86) 100+ $21.90 ($25.19) 500+ $19.42 ($22.33) |
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Metallized PP | Can | 35µF | ± 5% | Stud Mount - M8 | 450V | Quick Connect | - | 10V/µs | 35mm | 103mm | MotorCap B32332 | -25°C | 85°C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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4.16.10.25.06
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2829370 |
Motor Run Capacitor, Metallized PP, Can, 20 µF, ± 5%, 450 V DUCATI
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1+ $22.24 ($25.58) 5+ $20.11 ($23.13) 10+ $17.87 ($20.55) 25+ $16.22 ($18.65) 50+ $14.45 ($16.62) 100+ $13.89 ($15.97) More Pricing... |
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Metallized PP | Can | 20µF | ± 5% | - | 450V | Wire Leaded | - | 20V/µs | 40mm | 70mm | 4.16.10 | -25°C | 70°C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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4.16.10.99.06
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2829383 |
Motor Run Capacitor, Metallized PP, Can, 16 µF, ± 5%, 450 V DUCATI
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1+ $17.31 ($19.91) 5+ $15.64 ($17.99) 10+ $13.85 ($15.93) 25+ $12.55 ($14.43) 50+ $11.33 ($13.03) 100+ $10.82 ($12.44) More Pricing... |
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Metallized PP | Can | 16µF | ± 5% | - | 450V | Wire Leaded | - | 20V/µs | 36mm | 70mm | 4.16.10 | -25°C | 70°C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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4.16.10.09.64
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2829367 |
Motor Run Capacitor, Metallized PP, Can, 6 µF, ± 5%, 450 V DUCATI
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1+ $9.65 ($11.10) 5+ $8.72 ($10.03) 10+ $7.74 ($8.90) 25+ $7.03 ($8.08) 50+ $6.28 ($7.22) 100+ $6.03 ($6.93) More Pricing... |
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Metallized PP | Can | 6µF | ± 5% | - | 450V | Quick Connect | 14.4mm | 20V/µs | 32mm | 55mm | 4.16.10 | -25°C | 70°C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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4.16.10.30.06
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2829371 |
Motor Run Capacitor, Metallized PP, Can, 50 µF, ± 5%, 450 V DUCATI
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1+ $30.20 ($34.73) 2+ $28.37 ($32.63) 3+ $25.90 ($29.79) 5+ $25.89 ($29.77) |
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Metallized PP | Can | 50µF | ± 5% | - | 450V | Wire Leaded | - | 20V/µs | 45mm | 117mm | 4.16.10 | -25°C | 70°C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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4.16.10.29.14
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1219048 |
Motor Run Capacitor, Metallized PP, Can, 40 µF, ± 5%, 450 V DUCATI
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1+ $31.75 ($36.51) 2+ $28.70 ($33.01) 3+ $25.50 ($29.33) 5+ $23.15 ($26.62) 10+ $20.64 ($23.74) 20+ $19.83 ($22.80) More Pricing... |
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Metallized PP | Can | 40µF | ± 5% | - | 450V | Wire Leaded | - | 20V/µs | 45mm | 92mm | 4.16.10 | -25°C | 70°C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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C274AC34200AA0J
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1789693 |
Motor Run Capacitor, Metallized PP, Can, 2 µF, ± 5%, Stud Mount - M8, 470 V KEMET
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1+ $6.91 ($7.95) 10+ $5.59 ($6.43) 50+ $4.79 ($5.51) 100+ $4.35 ($5.00) 486+ $3.82 ($4.39) |
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Metallized PP | Can | 2µF | ± 5% | Stud Mount - M8 | 470V | Quick Connect, Snap-In | 13.4mm | 20V/µs | 25mm | 58mm | C27 Series | -25°C | 85°C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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4.16.10.08.64
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1219053 |
Motor Run Capacitor, Metallized PP, Can, 5 µF, ± 5%, 450 V DUCATI
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1+ $7.65 ($8.80) 10+ $6.92 ($7.96) 50+ $6.15 ($7.07) 100+ $5.58 ($6.42) 250+ $4.97 ($5.72) 500+ $4.77 ($5.49) More Pricing... |
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Metallized PP | Can | 5µF | ± 5% | - | 450V | Quick Connect | 14.4mm | 20V/µs | 28mm | 55mm | 4.16.10 | -25°C | 70°C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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4.16.10.30.64
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2132089 |
Motor Run Capacitor, Metallized PP, Can, 50 µF, ± 5%, 450 V DUCATI
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1+ $33.66 ($38.71) 2+ $30.42 ($34.98) 3+ $27.02 ($31.07) 5+ $24.55 ($28.23) 10+ $21.88 ($25.16) 20+ $21.02 ($24.17) More Pricing... |
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Metallized PP | Can | 50µF | ± 5% | - | 450V | Quick Connect | 14.4mm | 20V/µs | 45mm | 117mm | 4.16.10 | -25°C | 70°C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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4.16.10.03.64
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1219051 |
Motor Run Capacitor, Metallized PP, Can, 3 µF, ± 5%, 450 V DUCATI
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1+ $7.00 ($8.05) 2+ $6.32 ($7.27) 3+ $5.62 ($6.46) 5+ $5.11 ($5.88) 10+ $4.56 ($5.24) 20+ $4.37 ($5.03) 50+ $4.23 ($4.86) More Pricing... |
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Metallized PP | Can | 3µF | ± 5% | - | 450V | Quick Connect | 14.4mm | 20V/µs | 28mm | 55mm | 4.16.10 | -25°C | 70°C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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B32332I6306J080
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2218095 |
Motor Run Capacitor, Metallized PP, Can, 30 µF, ± 5%, Stud Mount - M8, 450 V EPCOS
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1+ $26.16 ($30.08) 10+ $24.85 ($28.58) 50+ $20.93 ($24.07) 100+ $19.62 ($22.56) 500+ $17.40 ($20.01) 1000+ $16.35 ($18.80) More Pricing... |
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Metallized PP | Can | 30µF | ± 5% | Stud Mount - M8 | 450V | Quick Connect | - | - | 35mm | 93mm | B32332 | -25°C | 85°C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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4.16.10.26.64
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1219061 |
Motor Run Capacitor, Metallized PP, Can, 25 µF, ± 5%, 450 V DUCATI
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1+ $17.16 ($19.73) 2+ $15.50 ($17.83) 3+ $13.73 ($15.79) 5+ $12.44 ($14.31) 10+ $11.23 ($12.91) 20+ $10.81 ($12.43) More Pricing... |
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Metallized PP | Can | 25µF | ± 5% | - | 450V | Quick Connect | 14.4mm | 20V/µs | 40mm | 92mm | 4.16.10 | -25°C | 70°C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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C276CC35250AA1J
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2456870 |
Motor Run Capacitor, Metallized PP, Can, 25 µF, ± 5%, Stud Mount - M8, 470 V KEMET
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1+ $19.35 ($22.25) 10+ $17.29 ($19.88) 60+ $14.75 ($16.96) 120+ $14.26 ($16.40) 540+ $13.39 ($15.40) |
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Metallized PP | Can | 25µF | ± 5% | Stud Mount - M8 | 470V | Quick Connect | 13.4mm | 15V/µs | 40mm | 94mm | C27 Series | -25°C | 85°C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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C276CC34800AA0J
![]() |
2456858 |
Motor Run Capacitor, Metallized PP, Can, 8 µF, ± 5%, Stud Mount - M8, 470 V KEMET
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1+ $7.40 ($8.51) 10+ $6.58 ($7.57) 50+ $5.82 ($6.69) |
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Metallized PP | Can | 8µF | ± 5% | Stud Mount - M8 | 470V | Quick Connect | 13.4mm | 15V/µs | 35mm | 56.5mm | C27 Series | -25°C | 85°C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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B32355C4255J019
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2777630 |
Motor Run Capacitor, Metallized PP, Can, 2.5 µF, ± 5%, 400 V EPCOS
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1+ $12.26 ($14.10) 10+ $10.90 ($12.54) 50+ $9.55 ($10.98) 100+ $8.72 ($10.03) 500+ $7.50 ($8.63) 1000+ $6.95 ($7.99) 2500+ $6.82 ($7.84) More Pricing... |
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Metallized PP | Can | 2.5µF | ± 5% | - | 400V | Wire Leaded | - | - | 25mm | 51mm | B32355C | -25°C | 100°C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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4.16.10.29.64
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1219063 |
Motor Run Capacitor, Metallized PP, Can, 40 µF, ± 5%, 450 V DUCATI
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1+ $29.84 ($34.32) 2+ $26.98 ($31.03) 3+ $23.97 ($27.57) 5+ $21.77 ($25.04) 10+ $19.40 ($22.31) 20+ $18.64 ($21.44) More Pricing... |
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Metallized PP | Can | 40µF | ± 5% | - | 450V | Quick Connect | 14.4mm | 20V/µs | 45mm | 92mm | 4.16.10 | -25°C | 70°C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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4.16.10.24.14
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1219044 |
Motor Run Capacitor, Metallized PP, Can, 18 µF, ± 5%, 450 V DUCATI
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1+ $18.44 ($21.21) 2+ $16.67 ($19.17) 3+ $14.80 ($17.02) 5+ $13.45 ($15.47) 10+ $11.99 ($13.79) 20+ $11.51 ($13.24) More Pricing... |
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Metallized PP | Can | 18µF | ± 5% | - | 450V | Wire Leaded | - | 20V/µs | 40mm | 70mm | 4.16.10 | -25°C | 70°C |