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833A for Glass Vacuum Tube
Zhejiang, ChinaNingbo Setec Electron Co., Ltd.
833A for Glass Vacuum Tube
US$100.00-200.00
1 Piece
Product profile
Customization
AvailableShape
GTCooling Method
Air Cooled TubeModel NO.
833AWorking Frequency
High FrequencyEncapsulation Structure
OtherPower Level
High PowerMaterial
GlassWorking Position
VerticalCooling
Forced AirTransport Package
Foam PackingTrademark
SETEC JINGGUANGOrigin
ChinaHS Code
8540890090Production Capacity
100PCS MonthlyKey features
High Power Output: Delivers 1000W output power with 350W maximum anode dissipation.
High Frequency Performance: Operates at frequencies up to 30MHz for industrial heating applications.
Versatile Operation Modes: Supports both CW and pulse modes for flexible industrial use.
Durable Glass Construction: Features a glass triode structure with natural air cooling.
Specialized Cathode Design: Uses direct thermal carbonization thorium-tungsten cathode for stability.
Wide Model Compatibility: Compatible with various models including FU-33, 833C, and others.
Industrial Application Focus: Designed specifically for amplification in radio and heating equipment.
Coaxial Design Technology: Utilizes metal-ceramic technology for enhanced performance.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2004-08-10Nearest Port: SHANGHAI, NINGBO, XIAMENAverage Response Time: ≤24hTerms of Payment: LC, T/T, Western UnionInternational Commercial Terms(Incoterms): FOB, EXW, CIF
AI-Powered supplier vetting
SummaryThe supplier is a small trading company with three employees, offering electronic and vacuum-related components and conducting import/export business. It has substantial export orientation, with 71%–90% of total sales from exports and nine years of export experience, but overseas services are limited: it reports no overseas agents or branches, warehouses, showrooms, or offline trade-show participation. Its product development capability is limited, with one R&D engineer, no new products in the past year, and no 3D software design service. It supports customization from samples. Service procedures exist for several areas, but records are absent, while quality-control test equipment is reported as zero and several quality and traceability conditions are unknown. No Fortune 500 cooperation is reported; however, repeat-buyer preference is stated at 80%–100%. Financial records are identified for recent years, but the provided information does not establish financial strength.
After-Sales capabilityThe supplier reports one-month average lead times in both peak and off-season periods and has procedures for complaint handling, supplier assessment, and corrective/preventive actions, but no written records are available. It also reports no in-stock capacity, overseas warehouse, overseas showroom, overseas agent or branch, and no overseas-service countries, indicating limited documented after-sales and overseas support capability.
R&D capabilityInnovation capability appears limited: the supplier is not identified as a professional technical supplier, does not provide 3D software design services, has one R&D engineer, and launched no new products in the past year. The engineer provides solutions according to customer demand, but this does not demonstrate broader product-development strength.
Production capacityThe supplier is described as a trading company with three employees, while manufacturing-outsourcing procedures and contracts are unknown. It reports no in-stock service capacity, and quality-control test equipment is stated as zero; therefore, the slices do not support a demonstrated production capability and identify material operational limitations.
Customization capabilityThe supplier explicitly provides customization from samples, and its sole R&D engineer is responsible for providing solutions according to client demand. This supports sample-based customization, although no evidence is provided for advanced design or 3D engineering services.
Product Q&A
Q:What is the maximum output power of the 833A tube?
A:
The 833A tube has an output power of 1000W and a maximum anode dissipation power of 350W.
Q:What is the operating frequency range for this tube?
A:
The maximum operating frequency is 30MHz, making it suitable for high-frequency applications.
Q:Can the 833A tube operate in pulse mode?
A:
Yes, the tetrode may be operated in CW or pulse modes, with pulse parameters depending on equipment characteristics.
Q:What is the cooling method for the 833A tube?
A:
The anode cooling method is natural air cooling, although forced air is listed in the custom specifications.
Q:What is the primary application for this vacuum tube?
A:
It is mainly used for amplification with oscillation and radio equipment for industrial high-frequency heating.
Send Inquiry
*To:
Ningbo Setec Electron Co., Ltd.
Ningbo Setec Electron Co., Ltd.*Content:
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