Reviews Dissipation Factor

E-10 V.3 D2 - Sundown Audio 10" 500W RMS Dual 2-Ohm EV.3 Series Subwoofer

  • RMS Power = 500-watts | Xmax = 14mm one-way by 70% BL | Vented magnetic gap.
  • Vented pole piece with optimized geometry | Black Aluminum 2.5” voice coil former for superior heat dissipation | High Temperature 4-Layer copper voice coil wire.
  • Spring Loaded Terminals | Stitched-On “Mini-XL” Tinsel Leads to prevent fatigue and failure.
  • Specifications: DC Resistance (Re): 4.0 Ω | Resonance Frequency (Fs): 32.2 Hz | Equivalent Volume (Vas): 19.4 L | Electrical Q Factor (Qes): 0.38 | Mechanical Q Factor (Qms): 4.76 | Total Q Factor (Qts):0.35 | Force Factor (BL): 20.2 NA | Moving Mass (incl. Air Load) (Mms): 192.0 g | Suspension Compliance (Cms): 0.13 mm/N | Sensitivity: 84.2 dB 1w / 1m.
  • Box Recommendations: Sealed: 0.5 cu ft | Ported: 1.0 cu ft | Displacement: 0.11 ft^3 | Cutout Diameter: 8-7/8" | Outside Diameter: 10" | Depth: 5 5/8" | Recommended Tuning: 32hz | Recommended Port Area: 16 in^2.
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Image Dynamics IDMAX12 D2 V4 12" Dual 2-Ohm Coil Subwoofer 1000 Watts RMS

  • 12" Dual 4 ohm ID MAX V.4 Series Subwoofer | Pressed paper composite cone woofer | Parabolic EPDM rubber surround | Over 2" long linear excursion | RaDiaToR cooling system for heat dissipation | Radiant Diametric Torsional Reinforcement | High compliance suspension design | Flat spider with NOMEX cloth woven tinsel leads | High-temperature flat wire, flat wound voice coil | Inverted dust cap with logo | Powder coated alloy proprietary basket.
  • Power Handling: RMS: 1200 watts | Recommended Power Range: 300-1200 watts | 3-1/2" peak-to-peak surround excursion.
  • Nominal Impedance (IMP): Dual 4 Ω | DC Resistance (Re): 3.0 Ω | Resonance Frequency (Fs): 27.77 Hz | Equivalent Volume (Vas): 72.16 L | Electrical Q Factor (Qes): 0.73 | Mechanical Q Factor (Qms): 2.98 | Total Q Factor (Qts): 0.58.
  • Frequency response: 20-250 Hz | Peak Excursion (Xmax): 39 mm | Force Factor (BL): 16.68 Tm | Piston Area (Sd): 545.0 cm2 | Sensitivity: 85.20 dB 1w/1m.
  • Sealed Enclosure Suggestion: 1 cu.ft. | Ported Enclosure Suggestion: 1.75 cu.ft. | Displacement: 0.14 cu.ft. | Mounting Depth: 8.15 in | Outside Diameter: 12.40 in | Cutout: 11.02 in.
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Sundown Audio U-10 D2 10' 1500W RMS Dual 2-Ohm U-Series Subwoofer

  • Features: Black Aluminum 3” voice coil former for superior heat dissipation, High Temperature Round-Wire CCAW voice coil with high-temp black adhesive, Double stitched surround, Heavy duty cast basket, Spring loaded terminals accept up to 8 gauge, Stitched-on double-XL tinsel leads, Rear vented pole piece, Rear drilled gap-venting, Innovative high-velocity cast aluminum vented frame spacer ring, Magnet ID shorting ring, Top-Plate Cooling Channels, Cast Aluminum surround bolt-on rings, Optimized.
  • Specifications: 1500 Watts RMS | Linear X-Max by 70% | Magnet Diameter: 8.66 in. | DC Resistance (Re): 3.8 Ω | Resonance Frequency (Fs): 48.5 Hz | Equivalent Volume (Vas): 8.3 L | Electrical Q Factor (Qes): 0.35 | Mechanical Q Factor (Qms): 3.20 | Total Q Factor (Qts): 0.32 | Force Factor (BL): 26.8 NA | Moving Mass (incl. Air Load) (Mms): 216.3 g | Suspension Compliance (Cms): 0.05 mm/N | Sensitivity: 86.2 dB 1w / 1m.
  • Box Recommendations: Sealed Enclosure Suggestion: 0.5 cu. ft. | Ported Enclosure Suggestion: 1.0 cu. ft. | Displacement: 0.21 cu. ft. | Depth: 7.007 in |Outside Diameter: 10.94 in | Cutout: 9.17 in | Recommended Tuning: 32 Hz | Recommended Port Area: 16 sq. in..
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DE-5000 Handheld LCR Meter

  • This LCR Meter is a 19999/ 9999 counts dual display, high accuracy LCR meter, which could measure Inductance/ Capacitance/ Resistance with secondary parameters including dissipation factor (D), quality factor (Q), phase angle , equivalent series/ parallel resistance (ESR or Rp)..
  • This LCR Meter is fully auto ranging operation for AC impedance & DC resistance measurement. The user could measure the L/C/R components directly in “AUTO-LCR “ smart mode without selecting the function key..
  • Components could be measured in serial or parallel mode according to the DUT (device under test) impedance automatically.User could select the desired test frequencies of 100Hz/120Hz/1kHz/10kHz /100kHz..
  • The "Sorting"mode could help the user to make a quick sort for a bunch of components..
  • Standard Accessories: English PDF manual, DC9V Battery, Alligator test lead case(TL-21), SMD Tweezers case(TL-22), Guard Line(TL-23),,,,, Option: IR to USB cace *It isn't included..
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Thermally Conductive High Temperature Epoxy Adhesive Max 425F Heat Cure Low Viscosity, Thermo-Bond 180, 50gm kit(s)

  • Operating Temp - from –50 to +150°C.
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Graphite Filled Electrically Conductive Epoxy EMI RFI Shielding Adhesive Military Grade Solvent Free, Electro-Bond 62, 100gm kit(s)

  • Operating Temp - from –50 to +110°C.
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Graphite Filled Electrically Conductive Epoxy EMI RFI Shielding Adhesive Military Grade Heat Cure, Electro-Bond 63, 2.5gm Syringe(s)

  • Operating Temp - from –50 to +170°C.
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Sundown Audio E-15 v4 D2 15 500W RMS Dual 2-Ohm Subwoofer

  • Specifications: DC Resistance (Re): 7.75 Ω | Resonance Frequency (Fs): 36.95 Hz | Equivalent Volume (Vas): 52.35 L | Electrical Q Factor (Qes): 0.85....
  • Box Recommendations: Sealed Enclosure Suggestion: 2.5 cu. ft. | Ported Enclosure Suggestion: 3 - 4 cu. ft. @ 35 Hz | Displacement: 0.17 cu. ft. |....
  • Thick black anodized aluminum voice coil formers for maximum strength and heat dissipation | 4‐layer copper high temperature voice coil windings....
  • Custom tooled frame spacer / ventilation ring | High efficiency air‐flow management integrated into the motor for maximum voice coil cooling | Dual....
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Sundown Audio SA-15 Classic D4 15 750 Watts Dual 4-Ohm SA Series Subwoofer

  • Specifications: DC Resistance (Re): 7.75 Ω | Resonance Frequency (Fs): 36.95 Hz | Equivalent Volume (Vas): 52.35 L | Electrical Q Factor (Qes): 0.85....
  • Box Recommendations: Sealed Enclosure Suggestion: 2.5 cu. ft. | Ported Enclosure Suggestion: 3 - 4 cu. ft. @ 35 Hz | Displacement: 0.17 cu. ft. |....
  • Thick black anodized aluminum voice coil formers for maximum strength and heat dissipation | 4‐layer copper high temperature voice coil windings....
  • Custom tooled frame spacer / ventilation ring | High efficiency air‐flow management integrated into the motor for maximum voice coil cooling | Dual....
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VEVOR Air Compressor Electric Motor, 5 HP SPL 3450 RPM, 208-230 Volt 3.1 KW Single Phase, 56 Frame 5/8" Keyed Shaft 60 Hz, Commercial-Duty CCW Rotation, 1.88" Shaft Length NEMA for Air Compressors

  • ...or: The heavy-duty electric motor adopts a manual reset knob against high-temperature overload. Reduced starting amperage design ensures the reduced voltage starting at a rated load. Insulation class-F, ENC-IP23, Ambient temperature-104℉ / 40℃, Duty-CONT, Pole-2..
  • Heat Dissipation Holes: The air compressor motor has multiple heat dissipation strips for heat dissipation. It can also guard chips and objects against dropping in the motor and causing accidents..
  • Designed for Air Compressors: The open drip-proof motor is better used in a relatively clean and dry environment. Specifically designed for air compressor duty uses. Please purchase a motor according to the specific needs of your compressors..
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WAYDERNS Women's Magenta Solid Low Heel 2 Inch Round Toe Kitten Slip On Patent Pumps Shoes Size 6.5 - Zapatos de Vestir para Mujer

  • Fundamental Parameters: The 115/230 volts pool pump motor features 1 HP, 3450RPM rated speed, 6.4/12.66 SF Amps. Model: D56Y1S2C-Y-1.25, Service Factor: 1.25, Frame: 56Y, Frequency: 60Hz, Enclosure: ODP, Insulation Class: F, NEMA: L, PH: 1..
  • Pure Copper Motor: The swimming pool motor adopts a 100% copper core for low noise operation and excellent speed regulating performance. The high-precision rotor is made of high tech, finish for water resistance, and high working efficiency..
  • Sturdy Steel Construction: The square flange pool motor uses a cold-rolled steel shell and a threaded shaft that is solid, durable..
  • Fast Installation & Heat Dissipation: The pump motor has four mounting holes and a 50 cm/19.68'' PVC cable to facilitate the user to install the motor. The pool pump motors have multiple heat dissipation holes, quickly reducing the machine's operating temperature..
  • For Swimming Pool Pump: Compatible with Hayward Super, Super II, Max Flow pumps, Jacuzzi Magnum pumps, and Pentair Pinnacle pumps. Suitable for both in-ground and above-ground swimming pool pumps..
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ORICO Upgraded Aluminum M.2 NVMe SSD Enclosure to USB C USB 3.2/3.1 Gen 2 (10Gbps) to NVMe PCI-E M-Key SSD External Adapter Support UASP Trim Smart (Fits NVMe SSDs 2230/2242/2260/2280) -M222-Gray

  • Heat Dissipation: After optimization and upgrading, the M222 M.2 ssd enclosure adopts ORICO's unique metal cooling vest, with a long silicone thermal pad, which wraps the SSD in all directions and conducts heat accurately. The heat dissipation efficiency is 20%-30% higher than that of ordinary M.2 solid state drive enclosures..
  • Speed: USB 3.2 Gen2 supports data transfer speeds up to 10Gbps for stable and efficient transfers. Tested by the ORICO laboratory, the continuous read and write speed can reach 1000-1200MB/s after the nvme ssd is installed..
  • Compatibility: M.2 form factor is compatible with M.2 PCIe NVME M key, NVMe B+M key, size: 2230/2242/2260/2280. Not compatible with M.2 SATA SSDs, original MACBOOK SSD, PCIe AHCI SSDs..
  • 2-in-1 Cable: The USB cable that comes with the M.2 adapter has 2 output ports, USB C to A (10Gbps) and USB C to C (10Gbps). Adopt high-quality TPE two-in-one data cable, aluminum alloy interface, support PD60W fast charge..
  • Design: The M.2 to usb adapter adopts an ultra-thin all-aluminum shell, the striped shell increases the heat dissipation area. Stylish, durable and convenient, perfect for travel and business office. Plug and play, no additional drivers required, USB cable powered..
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WAYRANK H4 LED Motorcycle Headlight Bulb 9003 HS1 Hi/Lo Beam 25W 3500LM 6000K Cool White with Blue Angel Eye Daytime Running Light

  • Blue angel eye design, Change the traditional design to make the motorcycle look unique, And blue color tint halo makes you more visible to others when riding my motorcycle, White light high low beam, Perfectly lights up the road and ensure your driving safe at night.
  • Better light performance and brighter than halogens, H4 LED motorcycle headlight bulb with 6000K cool white light, Combined total of up to 3500 LM per bulb, Increases your length of vision by a factor of at least 3-5 over the standard factory halogen H4 lamp.
  • Excellent Heat Dissipation, Built-in cooling fans design and high-density aviation aluminum housing for superior cooling, Two way heat dissipation channel to make the bulb fast cooling.
  • Direct replacement, Easily fit in most motorcycle, No need to change or damage the original motorcycle housing, Plug and play, Note that the depth of the motorcycle light assembly must be greater than the length of the bulbs.
  • Well compatible, Used innovative technology to reduce the possibility of error codes, Suitable to the 98% motorcycles, IP68 Waterproof Rate, No fear of severe weather.
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