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Alumina Coated Tungsten Basket Heater, 0.050 in DIA x 0.775 in ID, 4 in L x 0.925 in H x 0.500 in TID, 0.775 in INSIDE DEPTH, 0.050 in DIA WIRE
Product Type: Alumina Coated 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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This document outlines the operational constraints for the alumina coated tungsten basket heater. It defines the electrical, thermal, and environmental limits that must be respected during use.
- Electrical Rating: Operate the heater only within the rated 7 V, 50 A, and 350 W electrical limits.
- Maximum Temperature: Do not exceed the maximum temperature of 1475 °C during operation.
- Operating Environment: Use the heater only in a vacuum evaporation source requiring a vacuum chamber environment.
This procedure covers the installation and energizing of the alumina coated tungsten basket heater. Follow these steps to ensure safe operation within the specified electrical and thermal limits.
Required Equipment: Power supply with matching electrical ratings, Vacuum evaporation source chamber
- Verify power supply
Verify the power supply matches the rated 7 V, 50 A, and 350 W. - Install heater
Install the basket heater into the vacuum evaporation source. - Connect leads
Connect the electrical leads to the power supply. - Evacuate chamber
Evacuate the chamber to vacuum conditions. - Energize heater
Energize the heater and monitor temperature up to 1475 °C.
What are the electrical and thermal limits of the 0.050 in DIA wire alumina coated tungsten basket heater for vacuum evaporation?
The heater is rated at 7 V, 50 A, and 350 W, with a maximum operating temperature of 1475 °C. These specifications must be matched to the power supply and source-holder to avoid exceeding the wire's current-carrying capacity or thermal degradation of the alumina coating.
How do the basket dimensions affect compatibility with existing evaporation source holders?
The basket has an overall length of 4 in, height of 0.925 in, top inside diameter (TID) of 0.500 in, inside depth of 0.775 in, and uses 0.050 in diameter tungsten wire. These dimensions define the physical envelope and must be verified against the source-holder cavity and electrode spacing to ensure proper fit and electrical contact.
What package options are available for this alumina coated tungsten basket heater and how should they be specified?
The heater is offered in 5/PKG and 10/PKG package formats. The package option must be selected at quotation along with the Atomfair model AF-ACBH4L925H500TID7750500050ID0775V7A50W350P1 to ensure correct inventory and pricing for laboratory procurement.
This alumina-coated tungsten basket heater is rated for 1475 °C operation at 7 V, 50 A, and 350 W, with a 0.050 in diameter wire and a 0.775 in inside depth, making it suitable for vacuum evaporation source heating where high-temperature stability and precise geometry are required.
Positive
- High-temperature capability: Rated for a maximum temperature of 1475 °C, this basket heater supports high-temperature evaporation workflows in vacuum deposition systems.
- Clear electrical loading reference: The specified 7 V, 50 A, and 350 W rating provides a direct reference for matching the heating supply to the basket's power requirements.
Trade-offs
- Precise geometry matching required: The specific dimensions (0.050 in DIA wire, 0.775 in ID, 4 in L x 0.925 in H x 0.500 in TID) must be verified against the source holder to ensure proper fit and replacement compatibility.
- Power supply dependency: Operation requires a power supply capable of delivering the specified 7 V and 50 A; mismatched supplies could 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).






