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Ushio USH350DS 350W Short Arc Mercury Lamp

Ushio USH350DS 350W Short Arc Mercury Lamp
  • Ushio USH350DS 350W Short Arc Mercury Lamp
Quick Specifications:

Wattage: 350 | Voltage: 60 | Current: 5.8 Amps | Average Life Hours: 1,000

SKU:
USH350DS (5000508)
Manufacturer:
Ushio
Availability:
Stock Item
Shipping:
Calculated at checkout

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Price: $427.00


Product Description

Ushio USH350DS 350W Short-Arc Mercury Lamp (5000508) – Karl Suss Mask Aligner Replacement

The Ushio USH350DS is a 350-watt short-arc mercury lamp engineered for semiconductor lithography and precision optical applications. With a compact arc and stable UV-visible spectral output, it provides the high radiance required for uniform and accurate exposures.

Delivering up to 18,000 lumens with a rated life of ~1,000 hours, the USH350DS is a trusted replacement lamp for Karl Suss mask aligner systems (MJB, MA4, MA6, MA25, MA150M). Its vertical burn design and 2.8 mm cold arc gap ensure reliability and consistent optical performance in demanding environments.

 

Compatibility / Equipment Use

  • Karl Suss: MJB, MA4, MA6, MA25, MA150M mask aligners

  • Semiconductor lithography systems

  • Optical and analytical equipment requiring high UV output

 

 Features & Benefits

  • Designed for lithography and mask aligner applications

  • High UV and visible output with ~18,000 lumens

  • Reliable 1,000-hour average life reduces maintenance downtime

  • Precise 2.8 mm arc gap for accurate illumination and exposures

  • Trusted compatibility with Karl Suss systems

 

⚠️ Safety Notice
Contains mercury and emits UV radiation. Operate only in enclosed, interlocked housings designed for short-arc lamps. Allow lamp to cool completely before handling.

 

Data Sheet Download:

USH350DS

 

Other Details

Manufacturer Ordering Code:
5000508
Lamp Type:
Short Arc Mercury Lamp
Wattage:
350 W
Voltage:
60 V
Current:
5.8 A
Cold Arc Gap:
2.8 mm
Luminous Flux:
~18,000 lm
Average Life:
~1,000 hours (application dependent)
Burning Position:
Vertical ±45° (fixture dependent)

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