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Ushio G36T5L 39 W UV-C T5 quartz lamp, clear tubular form

Ushio

Ushio G36T5L 39 W germicidal UV-C standard bulb

SKU CH-V3P6-Z8JZ8

39 W germicidal UV-C lamp emits 253.7 nm radiation for water, air and surface sterilisation with 9 000-hour life

  • Power rating39
  • Lifespan (hours)9000
  • Product typeGermicidal Bulbs
  • Germicidal UV-C output peaks at 253.7 nm for effective sterilisation
  • 39 W low-pressure mercury arc lamp delivers high UV intensity
  • Specially formulated coating maintains high output over 9000 hour rated life
  • Low mercury dose meets environmental demands for safer disposal
  • High purity construction limits depreciation to 20-25 % at end of life

Purpose and audience

The Ushio G36T5L is a 39 W germicidal UV-C standard bulb built for professional disinfection systems. It suits operators of water-treatment plants, air-handling units, pharmaceutical lines and research laboratories that require consistent ultraviolet output. The lamp is not intended for general illumination or residential fixtures that lack proper UV-C shielding and interlocks.

Build and connection

A high-purity quartz envelope and low-mercury dose meet environmental standards while stabilising radiation at 253.7 nm. The T5 form factor fits dedicated germicidal housings with standard bi-pin sockets, allowing straightforward replacement during scheduled maintenance. No additional ballast or connector adapters are referenced in the specifications.

Thermals and power

The low-pressure mercury arc operates at the rated 39 W and maintains useful intensity for 9000 hours before output depreciation averages 20 to 25 percent. Normal use in enclosed purifiers produces minimal audible noise and modest heat that the host system is designed to dissipate. Performance remains steady within the published lifetime when the fixture provides correct airflow and voltage.

How it compares

Measured against everything we stock in General-Purpose & Specialty Bulbs, at today’s prices. Recalculated every night.

Price $44.99
Pricier than about 74% of the 1,791 comparable items (median $17.99).

Specifications

Product
Brand nameUshio
Product typeGermicidal Bulbs
Power
Power rating39
More details
Lifespan (hours)9000

Questions about this item

What wavelength does the Ushio G36T5L emit and how does that affect germicidal performance?

It peaks at 253.7 nm UV-C, the wavelength most effective for disrupting microbial DNA in water, air and surface disinfection.

What physical dimensions and base type are required to mount the G36T5L in a fixture?

The T5 quartz tube measures 36 inches long and uses a standard bi-pin base for compatible T5 sockets.

How is the lamp installed and what common mistake shortens its 9000-hour rated life?

Insert the bi-pin ends into a matched T5 ballast fixture; the frequent error is powering it without the correct ballast, which causes immediate arc failure.

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