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Alumina Coated Tungsten Basket Heater, 0.040 in DIA x 0.425 in ID, 4 in L x 0.575 in H x 0.420 in TID, 0.425 in INSIDE DEPTH, 0.040 in DIA WIRE, 5 Coils
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 defines the operating and installation constraints for the alumina coated tungsten basket heater. Use only in vacuum evaporation source heating after confirming fit and electrical compatibility.
- Application Constraint: Use the basket only as a vacuum evaporation source heater within its rated thermal and electrical envelope.
- Fit Constraint: Confirm the basket geometry and package option match the source-holder dimensions before installation.
- Supply Compatibility Constraint: Verify the heating supply output against the basket's rated electrical loading before energizing.
Complete these checks before mounting the basket heater in a vacuum evaporation source. This procedure prevents energizing a mechanically incompatible or electrically mismatched heater.
Required Equipment: Vacuum evaporation source holder, Heating power supply
- Confirm geometry
Confirm the basket reference geometry matches the source-holder cavity before installation. - Verify electrical loading
Verify the heating supply output matches the basket electrical rating before connecting power. - Mount basket
Mount the basket in the source holder after confirming the physical fit. - Energize heater
Energize the heater only after all electrical and fit checks are complete.
What power supply voltage, current, and power are required to operate this alumina coated tungsten basket heater at its maximum temperature of 1475 °C?
To reach 1475 °C, the heater requires 6.9 V, 39 A, and 272 W as specified in the technical data. These ratings must be matched by the vacuum evaporation power supply to ensure proper heating and avoid under- or over-driving the tungsten element.
What are the critical dimensional specifications for verifying fit of this basket heater in a vacuum evaporation source assembly?
The basket heater has a wire diameter of 0.040 in, an inside depth of 0.425 in, a length of 4 in, a height of 0.575 in, a top inside diameter of 0.420 in, and an inside diameter of 0.425 in. All dimensions, including the 5-coil geometry, must be checked against the source-holder cavity and electrode spacing to ensure proper installation.
How many coils does this basket heater have and what package quantities are available for procurement?
This basket heater has 5 coils. It is offered in package quantities of 5/PKG and 10/PKG, and the Atomfair model AF-ACBH4L575H420TID4250400040ID0425C5V69A39W272P1 encodes all configuration parameters so that each unit within a package is identical.
This Alumina Coated Tungsten Basket Heater (0.040 in wire dia, 0.425 in ID, 5 coils) is designed for high-temperature vacuum evaporation at 1475°C with fixed electrical loading of 6.9V/39A/272W, requiring precise geometry and power supply verification for integration.
Positive
- High-Temperature Evaporation Capability: Rated to 1475°C, this basket heater supports high-temperature vacuum evaporation workflows for materials requiring elevated thermal input.
- Precise Electrical and Dimensional Specifications: Clear electrical rating (6.9V, 39A, 272W) and detailed geometry (0.040 in wire dia, 0.425 in ID, 4 in L x 0.575 in H) provide a direct reference for power supply matching and source-holder fit verification.
Trade-offs
- Exact Fit Requirement: The specific dimensions (0.040 in DIA wire, 0.425 in ID, 4 in L x 0.575 in H x 0.420 in TID) require careful verification against existing source holders to ensure compatibility, limiting interchangeability.
- Fixed Electrical Loading: The heater is rated at 6.9V and 39A (272W); any mismatch with the available power supply may result in underperformance or damage, necessitating precise power supply matching.
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).






