What is the amplification factor of the TH558?

The amplification factor ranges from 3.7 to 4.9.

What certifications does the product have?

The product description mentions Certifications but does not list specific certification bodies or numbers.

High Frequency Transmitting Power Tube (TH558)

Name: High Frequency Transmitting Power Tube (TH558)
Brand: Ningbo Setec Electron Co., Ltd.
SKU: 770058615

Zhejiang, ChinaNingbo Setec Electron Co., Ltd.

US$100,000.00-120,000.00

1 Piece

Product profile

Customization

Available

Encapsulation Structure

Other

Working Frequency

High Frequency

Model NO.

TH558, TH537, TH375

Power Level

High Power

Function

Power Triode

Material

Metal Ceramic

Filament Voltage

23V

Filament Current

180A

Amplifcation Factor

4.0

Power

550kw

Working Position

Vertical

Max Height

650mm

Max Diameter

320mm

Max Weight

74kg

Cooling

Water and Forced Air

Transport Package

Foam Packing

Trademark

SETEC

Origin

China

HS Code

8540890090

Production Capacity

10PCS Monthly

Key features

High Power Output: Delivers up to 550kW output power with high gain and efficiency for transmitters.

Advanced Cooling: Uses Hypervapotron anode cooling with water and forced air for enhanced safety.

Stable Performance: Pyrobloc grids ensure highly stable operating characteristics in AF and RF amplifiers.

Versatile Operation: Designed for CW or pulse modes in medium- and short-wave transmitters up to 50MHz.

Durable Construction: Metal-ceramic coaxial structure ensures durability and high efficiency.

Wide Application: Suitable for industrial applications including AF and RF amplifiers.

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.