Can the tube operate in pulse mode?

Yes, the tube may be operated in CW or pulse modes.

What is the structure of the RS3021CJ tube?

It is a coaxial metal ceramic structure triode.

What is the maximum height and diameter?

The max height is 252mm and the max diameter is 130mm.

Electron Tube Vacuum Triode (RS3021CJ, RS2048CJ)

Name: Electron Tube Vacuum Triode (RS3021CJ, RS2048CJ)
Brand: Ningbo Setec Electron Co., Ltd.
SKU: 775790425

Zhejiang, ChinaNingbo Setec Electron Co., Ltd.

US$1,300.00-1,800.00

1 Piece

Product profile

Customization

Available

Filament Voltage

5.7V

Filament Current

135A

Model NO.

RS3021CJ, RS2048CJ

Amplifcation Factor

Power

20kw

Working Position

Vertical

Max Height

247mm

Max Diameter

130mm

Max Weight

4.1kg

Cooling

Water

Transport Package

Foam Packing

Trademark

SETEC

Origin

China

HS Code

8540890090

Production Capacity

50PCS Monthly

Key features

High Power Output: Max anode oscillating power reaches 20kW for industrial applications.

Coaxial Metal Ceramic: Features a robust coaxial metal-ceramic structure for durability.

Water Cooled Design: Equipped with forced water cooling for the anode stem.

Wide Frequency Range: Max working frequency up to 120MHz for versatile use.

Industrial Applications: Ideal for RF amplifiers, high frequency heating, and CO2 lasers.

CW and Pulse Modes: Capable of operation in both continuous wave and pulse modes.

Low Filament Voltage: Operates with a low filament voltage of 5.7V for efficiency.

Compact Dimensions: Max height 252mm and diameter 130mm for easy integration.

Company profile

Ningbo Setec Electron Co., Ltd.

Zhejiang, China

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.