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11 Watt T5 SE Mini Philips TUV Germicidal Ultraviolet Light Bulb
11 Watt T5 SE Mini Philips TUV Germicidal Ultraviolet Light Bulb
4 Pin Single Ended Base Image
Click to enlarge image(s)
Manufacturer: Philips Lighting
Product Number: 385427
SKU Number: 000136

General Description: This Philips TUV 11 watt T5 UV-C germicidal light bulb produces a 253.7 nanometers (nm) light wave which is ideal for water and air purification.   It has a slim 5/8 inch (16mm) diameter and is 9.9 inches long.   It has an average life of 9000 hour and will offer the most consistent UV-C output over that period.

11 Watt T5 Philips UV-C TUV Germicidal Light Bulb

Product Specifications

Manufacturer Philips Lighting
Product Number 385427
Voltage 34 Volt
Watts 11
Base Type 4 Pin Single Ended
Bulb Style T5
Length 9.9 Inches
Diameter 5/8 Inches
UV-C Radiation 2.6 Watts
Nanometers (nm) 253.7 (See below image)
Rated Average Life 9,000 Hours
Energy Star Qualified No
Full Product Name TUV 11W 4P SE UPN
Ordering Code TUV 11W 4P SE UPN/32
Case Quantity 32
Technology TUV Germicidal (UV-C)
Alternate Product Number 38542-7
Specification Sheet

Features & Benefits

• Emits short-wave UV radiation of 253.7 nanometers (nm) in the UV-C germicidal band width
• The glass in the light bulb filters out 185 nm ozone forming light
• This light bulb requires a ballast to operate

• Consistent output of UV-C wavelength of light lifetime
• Warning label on light indicates UV-C radiation output


  • Killing or inactivating bacteria, viruses and other primitive organisms
  • Air, water and surface disinfection in hospitals, bacteriological research and pharmaceutical environments, and food processing industries such as dairies, breweries and bakeries
  • Disinfection of drinking water, waste water, swimming pools, air conditioning systems, cold storage rooms, packing materials etc.
  • Used in a variety of photochemical processes
  • Radiation of these lamps is harmful to eyes and skin. Installations with these lamps are to be screened off completely.
  • Replaces the G36T6L 

T5 11 watt UV-C tuv light bulb

11 Watt T5 4 Pin Single Ended TUV (UV-C) Light Bulb

Nanometer (nm) wavelengths for Philips 385427

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