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Ushio USH250D 250W High Pressure Mercury Lamp

Ushio USH250D 250W High Pressure Mercury Lamp
  • Ushio USH250D 250W High Pressure Mercury Lamp
Quick Specifications:

Wattage: 250 | Voltage: 40 | Current: 6.5 Amps | Average Life Hours: 1,000

SKU:
USH250D (5000503)
Manufacturer:
Ushio
Availability:
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Shipping:
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Price: $496.00


Product Description

Ushio USH250D 250W High-Pressure Mercury Lamp (5000503) – Optical & Semiconductor Tools

The Ushio USH250D is a 250-watt high-pressure mercury lamp engineered for optical and semiconductor applications requiring precise UV and visible spectral output. Designed to deliver maximum radiant intensity at 436 nm, 405 nm, and 365 nm, this lamp provides stable, concentrated illumination across critical wavelengths.

With a luminous flux of 12,500 lumens and a rated life of ~1,000 hours, the USH250D offers both high performance and long-term reliability. Its near point-source design ensures uniform light distribution, making it ideal for photolithography and other precision optical systems.

 

Compatibility / Equipment Use

  • Photolithography Systems: PLA501FA, PLA600F & FA tools

  • Optical Systems: Applications requiring uniform irradiation and precise spectral output

 

Features & Benefits

  • Strong UV emission at 365–436 nm for semiconductor and photolithography use

  • Point-source design for concentrated or dispersed uniform irradiation

  • 12,500 lumen output with stable arc performance

  • Long average life (~1,000 hours) for reduced downtime

  • Trusted in optical and analytical equipment worldwide

 

⚠️ Safety Notice
This lamp contains mercury and emits strong UV radiation. Operate only in enclosed, interlocked housings designed for high-pressure mercury lamps. Allow to cool before handling.

 

Data Sheet Download:
USH250D

 

Other Details

Manufacturer Ordering Code:
5000503
Lamp Type:
High-Pressure Mercury Lamp
Wattage:
250 W
Voltage:
40 V
Rated Current:
6.5 A
Luminous Flux:
~12,500 lm
Average Life:
~1,000 hours (application dependent)
Spectral Peaks:
436 nm, 405 nm, 365 nm
Operating Position:
Vertical ±45° (fixture dependent)

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