28th Apr 2026, 06:47 PM
3B Scientific U18557 Teltron Helium-Filled Planar Triode Tube S
Price may vary by location, shipping cost, and availability.
$656.88
Highest: $678.00
Average: $663.12
Lowest: $624.80
Price History Graph
Offer Price Prices
Lowest: -
Average: -
Highest: -
Price History Information
You can check the price history of 3B Scientific U18557 Teltron Helium-Filled Planar Triode Tube S here. This product's current Price in USA is $656.88. The average and highest prices are $663.12 and $678.00 respectively.
| Lowest Ever Price | $624.80 |
|---|---|
| 5th Apr 2026 | |
| Average Price | $663.12 |
| Based on 136 days price tracking | |
| Highest Price | $678.00 |
| 7th Mar 2026 | |
Price History of All Variants of 3B Scientific U18557 Teltron Helium-Filled Planar Triode...
Offer Price: $1,062.00
3B Scientific U18560 Teltron Helium Critical Potential Tube S with He-Filling
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Current Price in USA
| Price | $656.88 |
|---|
Recent Price Drops on 3B Scientific U18557 Teltron Helium-Filled Planar Triode Tube S
Price Drop 4th Apr 2026
$678.00 → $624.80
7.85% drop
Product Information
Details
| Product Name | 3B Scientific U18557 Teltron Helium-Filled Planar Triode Tube S |
|---|---|
| Store Product Code | B005LY4VHI |
| Store Name | amazon.com |
| Rating | 3.6 / 10 |
| Category | Measurement Kits |
| Product Manufacturer | 3B Scientific |
| Model Number | U18557 |
| Dimensions | 13.82 x 11.1 x 8.7 inches |
Features
- Electron tube filled with low-pressure helium gas
- Containing a thermionic cathode, control grid and anode
- This tube is for quantitative investigations of the typical properties
- Discontinuous energy release of helium atoms during inelastic collisions with free electrons
- Maximum heater voltage: 7.5 volts AC/DC
Images
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Rating and Reviews
3.6 Based on 2 reviews
3B Scientific U18557 Teltron Helium-Filled Planar Triode has 3.6 rating out of 10. This average rating is consist of 2 individual ratings. You can rate this product at product review page.
* Predictions is created on based of past prices and trends, it does not guarantee that it will happen. These are just prediction for theoretical information only.