What is the amplification factor?

The amplification factor is 22.

What is the maximum diameter of the tube?

The maximum diameter is 105.7mm (or 105.56mm as per electrical characteristics).

Oscillator Electronic Vauum Triode (3CX2500F3, 3CX2500H3, 3CX2500A3)

Name: Oscillator Electronic Vauum Triode (3CX2500F3, 3CX2500H3, 3CX2500A3)
Brand: Ningbo Setec Electron Co., Ltd.
SKU: 817838025

Zhejiang, ChinaNingbo Setec Electron Co., Ltd.

US$400.00-500.00

1 Piece

Product profile

Customization

Available

Encapsulation Structure

Other

Working Frequency

High Frequency

Model NO.

3CX2500F3, 3CX2500H3, 3CX2500A3

Power Level

High Power

Function

Power Triode

Material

Metal Ceramic

Filament Voltage

7.5V

Filament Current

51.5A

Amplifcation Factor

Working Position

Vertical

Power

4000W

Max Height

228.68mm

Max Diameter

105.7mm

Max Weight

3.4kg

Cooling

Forced Air

Transport Package

Foam Packing

Trademark

SETEC

Origin

China

HS Code

8540890090

Production Capacity

100PCS Monthly

Key features

High Power Output: Max anode dissipation power reaches 4kW for industrial RF heating applications.

Metal Ceramic Structure: Features carbonization thorium tungsten cathode with forced air cooling.

High Frequency Performance: Max working frequency up to 75MHz for efficient signal amplification.

Vertical Operating Position: Designed for vertical installation with specific filament and grid parameters.

Wide Voltage Range: Supports anode voltage from 4000V to 6000Vdc depending on operation mode.

Multiple Model Options: Available in 3CX2500F3, 3CX2500H3, and 3CX2500A3 variants.

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.