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Tungsten Basket Heater, 3 Wires x 0.025 in DIA, 3 in L x 1.25 in H x 3/16 in ID, 13 Coils
Product Type: Tungsten Basket Heater
Research-grade laboratory product
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LABORATORY PROCUREMENT SUPPORT
For model selection, basket geometry matching and configuration confirmation, contact our technical sales team.
INQUIRY: inquiry@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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Tungsten basket heater rated for 1800 °C operation in vacuum evaporation systems. Requires matched power supply (7.04 V, 39 A, 275 W) and proper source-holder geometry for safe installation.
- Atmosphere requirement: Operate only in a vacuum or inert atmosphere to prevent oxidation of tungsten at high temperatures.
- Electrical compatibility: Verify that the power supply can deliver the rated 7.04 V and 39 A without exceeding the 275 W limit.
- Physical fit: Confirm that the heater dimensions (3 in L x 1.25 in H x 3/16 in ID) match the source-holder cavity before installation.
- Handling precaution: Avoid mechanical shock or bending of the tungsten wires to prevent premature failure.
Chronological steps to correctly install and operate the tungsten basket heater in a vacuum evaporation system. Follow these steps to ensure safe and reliable heating.
Required Equipment: Vacuum chamber, Power supply, Source holder
- Inspect the heater
Inspect the tungsten basket heater for any visible damage, deformation, or broken wires before installation. - Mount the heater
Mount the heater securely into the source holder, ensuring that the leads align with the electrical contacts. - Connect the power supply
Connect the heater leads to the power supply output, matching polarity if required. - Evacuate the chamber
Evacuate the vacuum chamber to the operating pressure before energizing the heater. - Ramp up power
Gradually increase the power to the rated 275 W while monitoring the temperature to avoid thermal shock.
What are the electrical and temperature specifications of the Atomfair AF-TBH3L125H316ID3W0025C13V704A39W275P5 tungsten basket heater?
This tungsten basket heater is rated at 7.04 V, 39 A, and 275 W, with a maximum operating temperature of 1800 °C. These specifications are critical for matching the heater to a compatible power supply and ensuring it can sustain high-temperature vacuum evaporation processes without exceeding thermal limits.
How do the physical dimensions of this 13-coil tungsten basket heater affect compatibility with existing evaporation source holders?
The heater measures 3 inches in length, 1.25 inches in height, and has a 3/16-inch inner diameter, constructed from 3 wires each 0.025 inches in diameter. These dimensions must be verified against the source-holder cavity and electrode spacing to ensure proper fit and electrical contact, as the basket geometry directly influences deposition uniformity and thermal distribution.
What package options are available for this tungsten basket heater, and how should they be selected for laboratory procurement?
The heater is offered in 5-piece and 10-piece packages. Selection depends on anticipated usage volume and replacement frequency; the 10-piece package is more economical for ongoing evaporation runs, while the 5-piece option suits initial testing or lower-throughput applications. Both packages contain identical heaters with the same 13-coil, 3-wire geometry.
This tungsten basket heater, rated at 1800 °C and 275 W with a 3-wire x 0.025 in DIA construction and 13-coil geometry, provides a high-temperature evaporation source for vacuum deposition systems, but requires precise power-supply matching at 7.04 V and 39 A and physical fit verification against the 3 in L x 1.25 in H x 3/16 in ID dimensions.
Positive
- High-temperature evaporation capability: Maximum operating temperature of 1800 °C enables thermal evaporation of high-melting-point materials in vacuum deposition workflows.
- Defined electrical loading reference: Rated at 7.04 V, 39 A, and 275 W provides a direct specification for matching with compatible power supplies, reducing trial-and-error in system integration.
Trade-offs
- Precise power-supply matching required: The 7.04 V and 39 A rating demands a power supply capable of delivering these exact parameters; mismatched supplies risk underperformance or damage.
- Physical fit verification necessary: The 3 in L x 1.25 in H x 3/16 in ID geometry and 3-wire x 0.025 in DIA construction require confirmation of compatibility with existing source-holder and feedthrough dimensions before procurement.
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).






