£439.81

This is the most expensive it has ever been. Walk away.

£440 today · previous high £440 · all-time low £427

3B Scientific U18551 Teltron Triode S - Vacuum Electronic Tube

Amazon

Price History & Forecast

Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.

Last 38 days · 38 data points (no recent data)

Historical
Generating forecast…
£439.81 £425.33 £428.49 £431.65 £434.81 £437.97 £441.13 19 July 2026 28 July 2026 06 August 2026 15 August 2026 25 August 2026
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U18551

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Price Distribution

Price distribution over 38 days • 3 price levels

Days at Price
Current Price
15 days 11 days 12 days · current 0 4 8 11 15 £427 £435 £440 Days at Price

Price Analysis

Most common price: £427 (15 days, 39.5%)

Price range: £427 - £440

Price levels: 3 different prices over 38 days

Description

The 3B Scientific U18551 Teltron Triode S is a high-vacuum electronic tube designed for precise scientific and educational applications. This incandescent component features a lattice cathode and anode, making it ideal for the quantitative analysis of high-vacuum controllable tubes. It allows users to detect curve features and define the negative polarity of electronic batteries. This triode is also effective for analyzing technical applications such as amplifiers and studying fluctuations in LC circuits. Built for accuracy, this tool supports detailed laboratory research and technical demonstrations regarding electronic behavior.

Key Features

The 3B Scientific U18551 Teltron Triode S features a lattice cathode and anode for high-vacuum electronic analysis.

This component supports the quantitative analysis of controllable tubes and the detection of specific curve features.

Use this triode to define the negative polarity of electronic batteries and analyze technical amplifier applications.

The device is designed to help study fluctuations within LC circuits during technical testing.

Technical specifications include a maximum heating voltage of 7.5 V AC/DC and a maximum metal voltage of 500 V.

This model provides metal power of approximately 2 mA with 200 V metal and has a total length of approximately 250 mm.

Product Specifications

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