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Ushio UXL-75XE 75W Short Arc Xenon Lamp

Ushio UXL-75XE 75W Short Arc Xenon Lamp

$280.00
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SKU:
UXL-75XE (5000371)
UPC:
048777285084
Availability:
Stock Item
Shipping:
Calculated at Checkout
Product Description
Daylight-like, high-intensity short-arc xenon point source for scientific, analytical, and medical illumination.
SOSCleanroom
Overview

The Ushio UXL-75XE is a 75W xenon short-arc discharge lamp engineered as a compact, high-luminance point light source with a continuous spectrum that closely resembles daylight. This makes it a strong fit for optical systems where color fidelity, stable beam delivery, and efficient coupling into condenser/reflector assemblies matter—common in microscopy, spectrophotometry, and analytical/inspection tools. SKU: UXL-75XE (5000371). UPC: 048777285084.

Key Highlights
  • Mfg. Ordering Code: 5000371
  • Wattage: 75W
  • Rated Voltage: 12.5V
  • Rated Amps: 5.4A
  • Arc Gap: 0.8mm (high-radiance point source behavior)
  • Output: 1,000 lm
  • Average Life: 400 hours
  • Dimensions: 88mm length; 13mm diameter
  • Availability: Stock Item
Typical Applications
  • Microscopy and imaging illumination systems
  • Spectrophotometry, analytical instruments, and optical inspection tools
  • Solar simulation and high-color-rendering “standard daylight” style sources
  • Specialty medical illumination where stable, bright white light is required
Handling Tip
Xenon short-arc lamps are high-pressure discharge sources and can involve high-voltage ignition. Operate only in properly designed, enclosed lamp housings and allow full cool-down before servicing. For contamination control and optical performance, use clean nitrile gloves and a lint-free wipe during installation—avoid oils/residue transfer that can contribute to hot spots and reduced system throughput.
Common Cross-References
This lamp is frequently referenced by OEM system codes in microscopy/analytical equipment. When qualifying, match the manufacturer code (5000371) and key specs (75W, 12.5V, 5.4A, 0.8mm arc gap, and mechanical envelope). Examples seen in the field include Leitz, Nikon, Olympus, and Zeiss references.
About Ushio
Ushio is a global photonics and specialty lighting company focused on light sources and light-based solutions used across industrial markets (including semiconductor-related applications), visual imaging, and life sciences. Ushio’s “Applying Light to Life” focus reflects a broad portfolio spanning specialty lamps and integrated optical technologies designed for demanding performance requirements.
Trusted Distribution
SOSCleanroom (Specialty Optical Systems, Inc.) has been specialty lighting distribution partners for over 40 years, supporting customers who rely on consistent lamp performance in scientific, industrial, and clean environment workflows.
Industry Update
In July 2025, Ushio announced an agreement to acquire ams OSRAM’s Entertainment & Industry Lamps (ENI) business, with closing expected by the end of March 2026. During and after a transition, customers may see changes such as branding, labeling, packaging, and distribution channels. Best practice: qualify replacements by the manufacturer ordering code and critical specs (5000371, 75W, 12.5V, 5.4A, and lamp geometry) to maintain continuity.
Need help selecting the right product?
If you need additional information please try our SOSCleanroom specific AI ChatBot which draws from our extensive cleanroom specific libraries.
Always confirm compatibility with your equipment model, OEM ignition/power supply requirements, and lamp geometry prior to installation.
The Technical Vault
By SOSCleanroom
Arc Physics & Optical Coupling
Ignition & Ballast Spectrum (Daylight-like) Microscopy / Analysis Safety & Handling Cleanroom Considerations
Quick Specs
Manufacturer / Ordering Code Ushio UXL-75XE (5000371)
Lamp Technology High-pressure xenon short-arc discharge (near point source)
Nominal Electrical 75W; 12.5V; 5.4A
Arc Gap 0.8mm
Luminous Flux 1,000 lm
Service Life 400 hours (typical)
Mechanical Envelope 88mm length; 13mm diameter
UPC 048777285084
The Science: How a Short-Arc Xenon Lamp Produces Light
A short-arc xenon lamp is a high-pressure gas-discharge source. Inside a quartz burner, xenon gas is sealed at high fill pressure. When the correct power supply initiates ignition, an electrical discharge forms between the electrodes and creates a dense plasma arc. The arc’s extremely small physical size (here, a 0.8mm arc gap) concentrates radiant power into a compact region, producing very high radiance that optical systems can treat as a near point source.
Xenon arcs are valued in scientific and medical illumination because their output is relatively continuous across the visible spectrum, yielding a “daylight-like” appearance and strong color rendering. In practical systems, filters and optics shape the delivered bandpass to match the instrument’s measurement or imaging requirements.
Engineering emphasis is placed on electrode geometry and arc stability: stable arc attachment and minimized arc wander help maintain consistent coupling into the reflector/condenser optics, which directly impacts irradiance stability, color consistency, and measurement repeatability.
Engineering Behind Reliable Performance
  • Ignition strategy: Short-arc xenon systems typically require a dedicated igniter that generates a high-voltage start pulse, then hands off to a regulated supply to maintain a stable discharge.
  • Current regulation: Arc lamps are current-driven devices—tool power supplies limit and regulate current to stabilize the arc and reduce flicker/output drift.
  • Thermal design: High radiance comes with concentrated heat at the electrodes and seals. Lamphouse cooling and airflow paths are part of the “system,” not an accessory—restricted airflow commonly shortens life and destabilizes output.
  • Optical coupling: Short-arc lamps are commonly paired with an elliptical reflector and condenser optics to image the arc into an aperture or integrator. Small changes in lamp seating can shift the arc location and reduce throughput.
Replacement & Alignment Notes
  • Match the full spec set: Beyond wattage, confirm voltage/current, arc gap, and mechanical envelope. These affect arc position and optical coupling.
  • Expect optical realignment: Many lamphouses require post-install arc centering/focus adjustment to maximize throughput and stabilize irradiance at the sample/measurement plane.
  • Protect sensitive optics: Keep adjacent reflectors, condensers, and UV windows clean—deposits reduce delivered irradiance and can increase localized heating in the optical train.
Safety & Handling (High Pressure + High Voltage)
Xenon short-arc lamps are high-pressure devices and may present hazards including intense optical radiation and high-voltage ignition. Operate only in properly designed enclosed housings with the OEM’s shielding and interlock protections in place. Allow full cool-down before servicing and follow OEM disposal guidance.
Cleanroom Considerations

Treat lamp changes like controlled maintenance: minimize packaging debris, use low-lint handling materials, and avoid contaminating nearby optical surfaces.

For best results, stage clean nitrile gloves and a Texwipe cleanroom-grade lint-free wiper (and, when needed, cleanroom swabs for tight areas) during installation to reduce contamination risk and protect optical performance.

Industry Update (Expected Close by End of March 2026)
In July 2025, ams OSRAM announced the sale of its Entertainment & Industry Lamps (ENI) business to Ushio for EUR 114m, with closing expected by the end of March 2026 and approximately 500 employees expected to transition. Practical takeaway: keep your procurement and tool documentation anchored on the ordering code (5000371) and the qualifying specs (75W, 12.5V, 5.4A, 0.8mm arc gap) to reduce risk during any labeling or channel changes.
Trusted Distribution
SOSCleanroom (Specialty Optical Systems, Inc.) has been specialty lighting distribution partners for over 40 years.
Need deeper specs or cross-references?
If you need additional information please try our SOSCleanroom specific AI ChatBot which draws from our extensive cleanroom specific libraries.
For mission-critical optical systems, validate OEM requirements for igniter/power supply, lamphouse alignment, cooling, and interlocks prior to use.