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  3. KWX Noise Suppress Resistor HVA

KWX Noise Suppress Resistor HVA

KWX  Noise Suppress Resistor HVA

KWX Noise Suppress Resistor HVA

Product catalog summary
Specifications:
HVA's resistor series are designed for high voltage, high energy, and high current applications. They outperform carbon composition resistors, allowing for replacement with a single ceramic resistor in some cases. The operating ambient temperature ranges from -55℃ to 200℃, with resistance values between 3Ω and 2MΩ. Recommended tolerances are K (±10%) and M (±20%), with F (±1%), G (±2%), and J (±5%) also available. Custom products are available upon request.
Construction:
The resistive body is composed of clay, silicon dioxide, and porcelain cement, sintered under high temperature and voltage. This construction is safer than wire-wound or film resistors, avoiding wire disconnection and film breakage. The resistors can handle high peak power from 5KW to 30KW in short durations and perform well under high voltage and current. They comply with RoHS requirements.
Applications:
These resistors are suitable for radar, motor drives, broadcast transmitters, X-ray equipment, lasers, medical defibrillators, dynamic braking, soft-start/current-limit equipment, snubber circuits, dummy loads, energy research, RF amplifiers, semiconductor processes, and power conditioning.
Ordering Information:
The HVA series includes various power ratings (e.g., 1/2W, 1W, 2W) and resistance tolerances (F=±1%, G=±2%, J=±5%, K=±10%). Forming options include T520 and T710. Resistance values are specified in formats like R100 for 0.1Ω.
Power and Resistance:
The rated ambient temperature is +70℃, with an operating range of -40℃ to +200℃. The rated voltage is calculated as power rating multiplied by resistance value. Maximum pulse voltage is specified under resistance to pulse examination conditions.
Dimensions:
Dimensions vary by power type, with specifications provided for length, diameter, and other measurements. Maximum working, overload, and pulse voltages are detailed for each type.
Performance Standards:
Reference standards include IEC60115-1 and JIS C5201-1. Performance requirements cover resistance to pulse, soldering heat, temperature changes, moisture resistance, and load life, with specific test methods and conditions outlined.
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Catalog excerpts

KWX  Noise Suppress Resistor HVA-1

• Applications I Radar,Motor Drives, Broadcast Transmitters. n X-Ray equipment , Lasers,Medical Defibrillators. IE Dynamic Braking, Soft-start/Current-limit equipment. IV Snubber Circuits, Dummy Loads, Energy Research field.. V RF Amplifiers,Semiconductor Process, Power Conditioning. • Introduction I HVA ’ s Resistor series are for high voltage,high energy and high current products. II HVA ’ s function is much better than carbon composition resistor, in some fileds, several carbon composition resistors can be replaced by only one ceramic resistor. H Operating ambient temperature:-55°C ~200°C. V Resistance value:3^~2M^. V Tolerance:K(± 10%),M(±20%) are recommended, F(±1 %),G(±2%)J(± 5%) are available. ^ For customerized products please contact with us. • Features I Special ceramic resistor , was made of Clay , Silicon dioxide and Porcelain cement ,After sintering under high temperature and high voltage , the resistor core was build ,then take the insulation coating. II Saver than the wire-wound resistor and film resistor , which will avoid the wire disconnecting and the film breaking up . E High peak power can be reached at 5KW-30KW in short time. V Good performance in bearing high voltage and high current. V Products meet the RoHS requirments. •Construction Series Name Power Resistance Forming Resistance Rating Tolerance (1)Type: HVA SERIES

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KWX  Noise Suppress Resistor HVA-2

*For resistors operated at an ambient temperature of 70°C or above,the power rating should be derated in accordance with the above derating curve. Remark: I Rating Ambient Temperature: + 70C h Operating temperature range :-40C + 200C IE Rated voltage= power rating*resistance value IV The maximum pulse voltage in the "resistance to pulse”examination condition of the performance column.

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KWX  Noise Suppress Resistor HVA-3

HVA Ceramic Resistors For Anti Pulse And Surge Resistance to Pulse 0.80% DC 20KV see circuit for test conditions DC 14 KV see circuit for test conditions Pulse Limiting Power(Po) One Pulse Pulse Time(s) Http://www.khxcom.com SHENZHEN KWX ELECTRONICS CO., LTD Http://www.kwxcom.com

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KWX  Noise Suppress Resistor HVA-4

Ambient temperature (°C)• Performance (Reference Standards: IEC60115-1 and JIS C5201-1 ) Test Items When testing the resistance value ,the ambient temperature should keep at 25C ± 2C and the moisture keep at 65%

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