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Tungsten Coil Thermal Filament, F7 Geometry, 2 Wires x 0.040 in Diameter
Product Type: Thermal filament tungsten coil
Research-grade laboratory product
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LABORATORY PROCUREMENT SUPPORT
For model selection, accessory matching, platform compatibility or configuration confirmation, contact our technical sales team.
E-MAIL: inquiry@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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The filament must be operated within the specified electrical limits of 10.97 V, 55 A, and 603 W to prevent overheating or failure. The F7 geometry and dimensions must be confirmed compatible with the source holder and power supply before use.
- Electrical Matching: Confirm that the evaporation power supply can deliver the required 10.97 V, 55 A, and 603 W.
- Geometry Fit: Verify that the F7 filament geometry (14 coils, 5 in length, 2 in-3/8 in inner diameter) fits the source holder.
- Package Quantity: Select the appropriate package size (5 or 10 pieces) based on the deposition run requirements.
- Operating Temperature: Do not exceed the rated operating temperature of 1800°C to avoid filament degradation.
Verify filament geometry and electrical compatibility before installation. Select the correct package quantity to match the deposition run requirements.
Required Equipment: Evaporation source holder, Power supply
- Confirm geometry fit
Confirm that the F7 filament geometry matches the dimensions of the source holder (5 in length, 2 in-3/8 in inner diameter, 14 coils). - Verify electrical compatibility
Verify that the evaporation power supply can deliver the required electrical parameters of 10.97 V, 55 A, and 603 W. - Select package size
Select the appropriate package size (5 or 10 pieces) based on the number of filaments required for the deposition run.
What are the rated electrical specifications (voltage, current, power) for the F7 geometry tungsten coil filament, and how should they be matched to a power supply?
The F7 geometry tungsten coil filament is rated at 10.97 V, 55 A, and 603 W for 1800 °C operation. These values must be matched to the evaporation power supply and source assembly used in the deposition system to ensure proper thermal evaporation performance.
What are the physical dimensions and coil geometry of the F7 tungsten filament to verify fit with my evaporation source holder?
The F7 geometry filament has 14 coils, a length of 5 inches, and an inner diameter of 2-3/8 inches. It uses a 2-wire construction with each wire 0.040 inches in diameter. Confirm these dimensions with your source holder before purchase to ensure proper fit.
What does the '2 Wires x 0.040 in Diameter' specification mean for the filament's mechanical and electrical properties?
The filament uses two parallel tungsten wires each 0.040 inches in diameter, which affects the total resistance and current-carrying capacity. This construction is designed for specific thermal evaporation source assemblies that require a defined tungsten filament geometry and electrical loading.
The AF-TCF7-2W040 tungsten coil thermal filament with F7 geometry and 2 wires x 0.040 in diameter is rated for 1800 °C operation at 10.97 V, 55 A, and 603 W, making it suitable for thermal evaporation of high-melting-point materials in vacuum deposition systems. The 14-coil, 5 in L x 2 in-3/8 in ID configuration requires careful verification of holder fit and power supply compatibility before procurement.
Positive
- High-temperature operation at 1800 °C: Rated operating temperature of 1800 °C provides a defined reference point for thermal evaporation of refractory materials, enabling reliable source performance in high-vacuum deposition processes.
- Explicit electrical specifications for matching: Voltage (10.97 V), current (55 A), and power (603 W) are stated, allowing direct comparison with available power supply and source assembly parameters to avoid electrical mismatch.
Trade-offs
- Geometry fit verification required: The F7 geometry and 5 in L x 2 in-3/8 in ID dimensions must be confirmed against the evaporation source holder and deposition system before purchase to ensure mechanical compatibility.
- Limited package quantity options: Available only in 5 pcs/package or 10 pcs/package, which may necessitate multiple orders for larger experimental runs or production batches, increasing procurement complexity.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
