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Tungsten Coil Thermal Filament, F5 Geometry, 3 Wires x 0.030 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 tungsten filament must be matched to a power supply capable of delivering the specified voltage, current, and power. The F5 geometry and wire configuration require confirmation of fit with the evaporation source holder and assembly.
- Electrical Matching: The power supply must provide 6.58 V, 57 A, and 375 W to achieve the 1800°C operating temperature.
- Geometric Fit: The filament's F5 geometry, 5 in length, and 2 in-1/4 in inner diameter must match the source holder specifications.
- Wire Configuration: The 3-wire x 0.030 in diameter construction determines the electrical and thermal characteristics and must be compatible with the source assembly.
Select the correct filament geometry and electrical specifications for the evaporation system. Install the filament ensuring proper fit and electrical connection.
Required Equipment: Evaporation source holder, Power supply
- Confirm geometry fit
Confirm that the filament geometry reference F5 matches the dimensions of the evaporation source holder. - Verify electrical compatibility
Verify that the power supply can deliver 6.58 V, 57 A, and 375 W to achieve the 1800°C operating temperature. - Select package size
Select the appropriate package size (5 pcs or 10 pcs) based on the number of filaments required for the deposition run.
How do the electrical specifications (6.58 V, 57 A, 375 W) of the Atomfair F5 tungsten coil filament influence its integration with a thermal evaporation power supply?
The filament requires a power supply capable of delivering 6.58 V at 57 A for a total power of 375 W. These values must be matched to the source assembly to ensure stable operation at the rated 1800 °C operating temperature. Using a supply with insufficient current or voltage will prevent reaching the required evaporation temperature.
What are the critical physical dimensions of the F5 geometry tungsten coil filament for ensuring proper fit in a vacuum deposition source holder?
The filament features an F5 reference geometry with a coil length of 5 inches and an inner diameter of 2-1/4 inches, consisting of 10 coils. The 3-wire construction with 0.030-inch diameter wires must match the holder's terminal spacing and clamping mechanism to avoid electrical contact issues or mechanical instability during thermal cycling.
Why is the wire count and diameter specification (3 wires x 0.030 in) important for thermal evaporation performance?
The three-wire configuration increases the total surface area for heating, improving evaporation rate uniformity compared to single-wire filaments. The 0.030-inch diameter balances mechanical strength with electrical resistance to achieve the specified 375 W power at 57 A. This geometry is designed for consistent thermal profiles in high-vacuum environments.
This tungsten coil thermal filament provides a defined F5 geometry, 3-wire 0.030-inch diameter construction, and 1800 °C operation for thermal evaporation, with electrical specifications (6.58 V, 57 A, 375 W) that require precise matching to the power supply and source holder.
Positive
- High-temperature 1800 °C operation: Rated for 1800 °C, this tungsten filament is suitable for thermal evaporation of materials requiring high source temperatures, with defined electrical loading for system matching.
- Precise geometry and electrical spec: The F5 geometry with 3 wires x 0.030 in diameter and specified 6.58 V, 57 A, 375 W parameters allow direct compatibility verification with existing evaporation source holders and power supplies.
Trade-offs
- Requires holder fit confirmation: The filament geometry (F5, 5 in L x 2 in-1/4 in ID) must be matched to the specific source holder; buyers must confirm physical fit before purchase to avoid assembly issues.
- Electrical matching required: The voltage, current, and power ratings must be verified against the evaporation power supply; incorrect matching can lead to underperformance or damage.
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).
