Rigaku-Cat.D2H65D,Spec.4547-0079 1 set of 3 pcs,Item NO.901466-Filament,9KW,SMARTLAB,Set/3

Condition: New
Part #: Cat.D2H65D,Spec.4547-0079

$4,296.00

SKU: Cat.D2H65D,Spec.4547-0079 Categories: , ,
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Description

The Rigaku-Cat.D2H65D is a premium-grade tungsten filament assembly engineered specifically for the Rigaku SmartLab series of X-ray diffraction (XRD) systems. As a critical consumable for high-brightness X-ray generation, this assembly is designed to withstand the rigorous thermal demands of 9kW power settings while maintaining the point-source stability required for high-resolution structural analysis.

Each package (Item No. 901466) contains a matched set of three (3) filaments, providing laboratories with a reliable maintenance cycle and ensuring minimal downtime for high-throughput research environments. By utilizing advanced metallurgy, the D2H65D ensures consistent electron emission, which is the foundational requirement for reproducible diffraction patterns and precise lattice parameter measurements.


Core Technology: Advanced Tungsten Metallurgy

The D2H65D assembly utilizes high-purity tungsten wire, precision-coiled to exact geometric tolerances. In the context of the Rigaku SmartLab’s rotating anode or high-power sealed tube generators, the filament must act as a stable electron source. The “65D” specification denotes a specific filament geometry optimized for the 9kW power bracket, balancing the need for high electron flux (intensity) with the structural integrity required to resist sagging or deformation under extreme operating temperatures.

Mechanism of Action

The filament functions as the cathode within the X-ray tube. When a heating current is applied, thermionic emission occurs:

  1. Thermionic Emission: The tungsten filament is heated until electrons overcome the metal’s work function.

  2. Acceleration: A high-voltage potential (kV) accelerates these electrons toward the target anode.

  3. X-ray Production: Upon impact with the anode (typically copper or molybdenum), the kinetic energy of the electrons is converted into X-ray photons through Bremsstrahlung and characteristic X-ray emission.

  4. Signal Stability: The D2H65D’s precise alignment ensures the electron beam strikes the anode at a consistent focal spot, directly impacting the peak resolution and signal-to-noise ratio of the XRD data.

Applications and Research Fields

The 9kW output supported by the D2H65D is essential for applications where X-ray flux is the primary bottleneck:

  • Thin Film Analysis: Measuring ultra-thin layers where signal intensity is naturally low.

  • Small Molecule Crystallography: Resolving complex structures that require high-intensity incident beams.

  • In-Situ Studies: Monitoring phase transitions or chemical reactions in real-time, requiring rapid data acquisition.

  • Residual Stress & Texture: Analyzing polycrystalline materials and industrial coatings for mechanical integrity.

  • Nanomaterials: Characterizing particle size and distribution via Small-Angle X-ray Scattering (SAXS).

Key Advantages

  • Optimized Power-to-Life Ratio: Specifically rated for 9kW, offering a middle-ground “sweet spot” between standard 6kW units and ultra-high power 10kW assemblies.

  • Plug-and-Play Compatibility: Guaranteed fit for Rigaku SmartLab systems using Spec. 4547-0079, eliminating the risk of vacuum leaks or electrical arcing associated with generic parts.

  • Enhanced Thermal Stability: Reduced rate of tungsten evaporation helps maintain a cleaner X-ray tube environment and prevents premature window “silvering.”

  • Cost-Efficient Triple Pack: The 3-piece set reduces procurement overhead and ensures a spare is always on hand for emergency replacements.


Technical Specifications

Feature Specification
Model Number Rigaku-Cat.D2H65D
Item Number 901466
System Compatibility Rigaku SmartLab XRD
Power Rating 9.0 kW
Material High-Purity Refractory Tungsten
Pack Quantity 3 Pieces per Set
Technical Standard Spec. 4547-0079
Equivalent Variants D2H60D (6kW), D2H70D (10kW)

Frequently Asked Questions

How often should the Rigaku D2H65D filament be replaced?

Filament lifespan depends on the operating hours and the power levels used (kV/mA). While the D2H65D is designed for longevity, many labs replace them proactively every 1,000–2,000 hours of beam-on time. Regular monitoring of the emission current stability can help predict when a filament is nearing its end-of-life.

Can I use the D2H65D in a system rated for only 6kW?

While physically similar, it is recommended to use the model specifically rated for your generator’s power supply. Using a 9kW filament in a 6kW system may result in suboptimal electron emission profiles, while using a lower-rated filament in a 9kW system will likely lead to immediate failure.

What are the signs that my XRD filament is beginning to fail?

The most common indicators include fluctuations in the tube current (mA), increased difficulty in reaching the saturation point, or visible darkening of the X-ray tube window. If the system fails to maintain a stable beam during long-exposure scans, the filament should be inspected or replaced immediately.

Why is the D2H65D sold in a set of three pieces?

X-ray filaments are considered “critical consumables.” Because a filament failure completely halts laboratory operations, Rigaku packages the 901466 as a 3-piece set. This ensures that researchers have immediate replacements available, maintaining the strict uptime requirements of industrial and academic core facilities.

Does this filament require a specific alignment procedure?

Yes. After installing a new D2H65D filament, you must perform a standard saturation and alignment procedure according to the Rigaku SmartLab manual. This ensures the electron beam is perfectly centered on the anode, which is vital for achieving the high-intensity results this 9kW model is capable of.

How does the D2H65D differ from the D2H65E variant?

The primary difference is the packaging and intended application volume. The D2H65D is a 3-piece set designed for standard lab maintenance, whereas the D2H65E is a single-piece variant. Both share the same 9kW power rating and high-precision engineering for the SmartLab series.

Listing Terms & Conditions

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