Best Toroid Coil - TopShopReview.com

Heyiarbeit 50 Ohm 50W Ceramic Wirewound Potentiometer Linear Variable Rheostat Resistor with Knob for Light Dimmers Motor Speed Control 1pcs

[Parameters] - Model: Variable sliding potentiometer with knob.
Overall Size: 64 x 67mm/ 2.52" x 2.64" (DxH).
[Material] - The ceramic wirewound potentiometer is consisted of ceramic core and a resistive wire wrapped to form a toroid coil with a wiper axle.
[Features] - The potentiometer carbon brush touches the resistance wire, and the resistance value is easy to adjust.
the rocker type manual operation, natural cooling, the alloy shaft, smooth and durable, and moisture resistance, high power, strong overload capacity, high temperature resistance.
[Function] - The rheostat is used for the regulation of voltage and current in power equipment and the middle circuit, and controls the resistance of the circuit without interrupting the current.
[Application] - Ceramic wirewound potentiometer can be widely used as a motor speed regulator, suitable for pumps, fans and blowers or other applications that require high voltage and current.
Suitable for adjusting the working voltage and current of power equipment and circuits with AC voltage not exceeding 380V and DC voltage not exceeding 220V.

Please note: this listing is build kit hardware only, we do not provide build plan, included all hardware to build your own high power Balun/Unun up to 1.5KW, for make 1:1, 4:1 or 9:1 Balun/UNUN as desired..
Precise pre drilled waterproof balun box, T200-2 type 2 iron powder toroid 2" core, (optimum resonant freq range 0-40Mhz)..
10' 16AWG 1.30mm Enameled Magnet Winding Wire, (Temperature Rating 155℃), nickel plated brass conectors..
Balun box dimension: 3 1/4" x 3 1/8" x 2 1/8".
Package included (Unassembled kit) : 1x t200-2 toroid, 1x SO-239 antenna socket, 2x antenna wire connector (fit up to 8awg antenna wire), nuts, bolts,washers, wire terminals included..

Includes all pieces necessary for Doff N' Donner method..
DND Cone (tall black suction piece)+ DND Sleeve (blue toroid) included.
Enables caregivers and patients to roll tight compression stockings over leg easily..
Eliminates the need for compression gloves.

A toroid core saves energy and is 10% more efficient then an El-type core, and runs cooler and quieter (no hum), and runs smoother (no vibration).
Tilted terminal board and large size lugs inside the taps hold up to eight 10-gauge wires or up to ten 12-gauge wires per tap and one photocell outlet.

Overall Size : 22 x 14 x 8mm/ 0.87" x 0.55" x 0.31" (Outside Dia.*Inner Dia.*T).
Package Content : 10 x Toroid Ferrite Core.

Used widely in power transformers, current transducers, instrument transformers, inductors, chokes, ballasts, voltage stabilizers and regulators, welding transformers, broad band transformers, filters, etc..

Two-channel THX Ultra2 Certified power amplifier, Fully discrete circuitry with toroid transfer, Efficient, low heat design.
Continuous RMS Power Output (20 Hz - 20 kHz, Both Channels Driven): 150 watts x 2, 8 ohms.
Impedance selector switch for 2W operation, Bridging switch for stereo or mono operation.
18 dB / octave high-pass filter, switchable 20 Hz or 40 Hz.
Standby, channel status, high temperature indicators.

Two channel amplifier, Updated front and rear cosmetics, New A/B speaker button lockout switch (on the rear panel).
Impedance selector switch for 2W operation, Bridging switch for stereo or mono operation.
18 dB / octave high-pass filter, switchable 20 Hz or 40 Hz, Fully discrete circuitry with toroid transfer, Efficient, low heat design.
DC servo and relay protection circuits, Automatic on/off by DC trigger with looping output.
Gold-plated RCA input jacks, loop output jacks, Heavy duty 24K gold-plated five-way speaker terminals.