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Primary current: 10 A - 50 A
Voltage: 300 V
• Current compensated choke • 1-phase choke • THT-terminals • Flange for mounting onto printed circuit board Unique Selling Proposition • Compact size and light weight • Open design optimizes heat ...
SCHURTER
Primary current: 50 A - 250 A
Choke REACTORS are required to limit the transient currents produced during the connection of capacitors. CIRCUTOR's RMV units are encapsulated in epoxy resin, which guarantees the degree of insulation required.
Primary current: 3 mA
Voltage: 500 V
... filtering choke •Clearance greater than 2.5mm between outputs / core •UL94 and RoHS materials •AEC-Q200 qualified •Weight : approx 280grams Application •Automotive HV/LV DCDC onboard converters Operation ...
PREMO
... required in such applications as dimmer chokes, filter chokes and commutation reactors. Due to the low permeability drop when implemented in DC applications, iron powder material may also be used in storage ...
PTR HARTMANN GmbH
... to commercialize ferrite, and developed a high performance ferrite material best suited for products. We are developing choke coils for PFC (power factor correction) circuit that utilize this characteristics to its fullest ...
Primary current: 7 A
Voltage: 250 V
Compared to the conventional "FL-V series", noise removal has improved in the low frequency range as a result of higher impedance characteristics between 150kHz to 1MHz. The FW maintains high performance in the high frequency range, while ...
Nippon Chemi-con
Low Loss UPS Choke Total RMS current : 273A @60Hz Low Frequency current : 44Arms RMS Ripple current : 7 kHz Temperature class : H (180°C) Weight : 8.0 kg Core Material : Amorphous Winding : Aluminium foil
Primary current: 100 mA - 12,000 mA
Voltage: 0 kV - 2 kV
Features – Toroidal core R 10 – Compact design – Suitable for automatic insertion – For reflow and vapor phase soldering – Qualified to AEC-Q200 Applications EMC devices, pulse transformers, RF transformers
Neosid Pemetzrieder GmbH & Co. KG
Primary current: 700 A
Voltage: 400 V
... inside insulation material is combined with frameless process, the choke’s temperature heat-resisting ability is strong, and the class F or H is optional. 2.Noise Decrease : Choke air gap adopts argon ...
Shenzhen Sikes Electric Co., Ltd.
Primary current: 500 A
Voltage: 600 V
... The inside insulation material is combined with frameless process, the choke’s temperature heat-resisting ability is strong, and the class F or H is optional. 2.Noise Decrease : Choke air gap adopts ...
Shenzhen Sikes Electric Co., Ltd.
Primary current: 250 A
Voltage: 500 V
... The inside insulation material is combined with frameless process, the choke’s temperature heat-resisting ability is strong, and the class F or H is optional. Noise Decrease : Choke air gap adopts argon ...
Shenzhen Sikes Electric Co., Ltd.
... Comelit uses specific winding techniques to reduce undesired capacitive effects. The production of PFC (Power Factor Correction) chokes is split into: Products that work at 50/60 Hz made using laminated steel cores ...
The necessity to include filters to limit emissions of electromagnetic disturbance in many applications, has led Comelit to develop this type of product for use in its own production of switch mode power supplies. The natural evolution ...
Primary current: 0.3 A - 5 A
Voltage: 250 V
Rated currents up to 5 A Broadband attenuation characteristics Low magnetic leakage flux UL rated materials RoHS compliant Operating frequency : DC to 400 Hz Voltage : ≤ 250 V Rated current : 0.3 to 5 A Inductance : 0.5 to 90 ...
SCHAFFNER Group
Primary current: 10 A - 280 A
Voltage: 600 V
Rated current from 10 to 280A Protects against voltage spikes on the motor Compact design Benefits 5 Year warranty Reduces voltage rise and high frequency noise Helps pass European emission Standards Markets ...
Key Features: * Economical "open bracket" - channel mount. * Tolerance of 15% on both inductance & resistance. * Inductances measured at rated D.C. current. * Minimum 5" long leads. * Units will exhibit less inductance at slightly ...
Primary current: 5 A
Voltage: 60, 48, 24, 12 V
Motor choke with the following functions: - for brushed motors - compact size - mountable on DIN rail - robust and closed housing To snap onto the DIN rail EN 50022 ThemoduleMaxi-IM-5-60 is a motor choke ...
KALEJA GmbH
► Material ：Metal alloy powder core 、Fe-Si、Sendust、Hi-Flux… ► Application：Photovoltaic power generation、Inverter 、APF、UPS…
Neutral Grounding Reactors are manufactured by Trench and are installed on key locations in the transmission network, specifically at the large power transformers and limit the line to ground fault current under system earth fault conditions. ...
Primary current: 3 A - 800 A
Voltage: 220, 380, 525, 690, 1,140 V
FWI-CKI3 Three phase 380v Input/output AC reactor (choke) Description Functions of AC reactor (choke): 1.Reduction of harmonics , Improvement of the power factor 2.Over-voltage restriction 3.Reducing ...
VTDRIVssE Technology Limited
CA Series common mode toroidal chokes provide an efficient means of filtering supply lines having in-phase signals of equal amplitude thus allowing equipment to meet stringent electrical radiation specifications. Wide ...
Primary current: 0.8 A - 55 A
FEATURES: • High Saturation Material • Polyolefin Shrink Tubing • Low DC Résistance • High Reliability Low cost OPTIONS: • Packaging: Tape & Reel is Standard (Qty: 1000 pcs) Bulk packaging available for smaller quantities • ...
Tianchang Yunchen Electronics Industry and Trade Co., Ltd.
Primary current: 2 A - 85 A
Voltage: 300 V - 1,000 V
... This is the ideal basis for highest inductance with a low number of turns in extremely compact component volume. VITROPERM chokes are a universal solution for various EMI problems due to the excellent high frequency properties ...
Vacuumschmelze GmbH & Co. KG
Blocking reactors are used for reactive power compensation. Their main function is to protect the capacitor unit from the excessive level of power harmonic in the electrical network. Small losses and small size and weight in relation ...
Trafotek Oy
D3K - THREE-PHASE CHOKES FOR REACTIVE POWER COMPENSATION Three-phase compensation chokes, being a source of inductive reactive power, are used in capacitive reactive power compensation systems occurring ...
Features Suppression of large current radiation noise Applications NC machines General inverters Industrial equipment
FDK
Primary current: 10 A - 200 A
Current ratings 10 – 200 A Reduction of leakage currents and motor bearing currents Reduction of common mode emissions Protection of motor windings and bearings Prevens over-current trips on long motor cable
... passage of differential mode current is allowed. Choke coils are used in electronic appliances. They are very useful in televisions as well as in many other devices by acting like filters. Common mode choke ...
A choke is a wound component that tends to block the current variations that cross it. It is characterized by its inductance or reactance value.
ApplicationsChokes are used in electronics and in electrical installations to filter signals. As coils, they block high frequencies. Common-mode chokes eliminate overvoltage by opposing current surges that tend to go to ground.
In the realm of high-power devices, chokes protect the capacitors designed to increase motor power factor and act as EMI filters. Anti-harmonic chokes help to eliminate harmonics interference in the network.
Quick-discharge chokes accelerate the discharge of low-voltage capacitors. Shunt inductance chokes compensate grid line capacitive currents.
Chokes consist of a coil around an empty core or on a ferrite core. Their inductance depends upon the number of turns and on the nature of the core. Common mode chokes are structurally close to transformers. They have two coils on a single magnetic field or core. Choke series resistance generates electrical losses and heat. Dry power or oil chokes require aeration or an active cooling system.
How to chooseChokes are characterized by inductance value, maximum current load and overvoltage, and series resistance.
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