What is the amplification factor of the TH537?

The amplification factor is 4.3.

What materials are used in the construction of this tube?

The tube features a metal ceramic structure with a thoriated tungsten mesh filament and pyrolytic graphite grids.

Transmitting Electron Tube Vacuum Tube (TH537)

Name: Transmitting Electron Tube Vacuum Tube (TH537)
Brand: Ningbo Setec Electron Co., Ltd.
SKU: 770592395

Zhejiang, ChinaNingbo Setec Electron Co., Ltd.

US$50,000.00-60,000.00

1 Piece

Product profile

Customization

Available

Working Frequency

High Frequency

Encapsulation Structure

Foam Packing

Model NO.

TH558, TH537, TH375

Power Level

High Power

Material

Metal Ceramic

Filament Voltage

18V

Filament Current

430A

Amplifcation Factor

4.3

Power

300kw

Working Position

Vertical

Max Height

560mm

Max Diameter

310mm

Max Weight

56kg

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: 300kW steady state anode dissipation with 305kW output power capability.

Advanced Cooling System: Multiphase cooling using water, vapor, and forced air for high efficiency.

High Frequency Performance: Designed for AF and RF amplifiers up to 110 MHz frequency range.

Durable Construction: Metal ceramic structure with thoriated tungsten filament and graphite grids.

Flexible Operation Modes: Capable of operating in both CW and pulse modes for various applications.

Low Secondary Emission: Pyrolytic graphite grids provide low secondary emission characteristics.

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.