Product Overview
Sylvania 20425 F4T5/BLB 4W T5 Blacklight Blue 356nm UVA Fluorescent Lamp
The Sylvania 20425 (F4T5/BLB) is a 4W T5 miniature bi-pin (5/8" diameter) linear blacklight blue (BLB) fluorescent lamp rated at 356 nm UVA. It measures 152.4 mm (6.0") in length, uses a G5 base, and has a rated average life of 6,000 hours. The manufacturer lists it in the OSRAM BLUE UVA / Color 78 range of multi-purpose UVA low-pressure lamps for technical and biological applications.
Wattage 4W T5 | Type BLB UVA 356nm | Base G5 Mini Bi-Pin | Length 6.0" 152.4 mm | Rated Life 6,000 Hours |
Technical Specifications
| Sylvania Product Number | 20425 |
| Ordering Abbreviation | F4T5/BLB |
| Series | OSRAM BLUE UVA / Color 78 – Linear BLB 356nm (Sylvania) |
| Bulb Type | T5 Miniature Bi-Pin (5/8" diameter) |
| Base | G5 |
| Wattage | 4W |
| Emission | Blacklight blue (BLB), 356nm UVA |
| Length | 152.4 mm (6.0") |
| Diameter | 16 mm |
| Average Rated Life | 6,000 hours |
| Case Quantity | 24 per case |
| Mercury Content | Contains mercury; low mercury content per manufacturer; recycle per lamprecycle.org |
Product Overview
The Sylvania 20425 is a linear T5 blacklight blue lamp that emits long-wave UVA light. The manufacturer lists the BLUE UVA range as full-range coverage for existing insect trap fixtures as well as the newer, compact units, with low Hg content.
The manufacturer datasheet for the range lists wattage, length, diameter, base, rated life and case quantity for this lamp. It does not list lumens, color temperature, CRI, current or UV output for this item, so none are shown here.
Compatible Applications
- Insect traps
- Food preparation areas
- Cosmetic nail curing
- Manufacture of printed circuit boards
- Modifying and curing of photosensitive material
- Fluorescent illumination for scientific and criminal investigations
- Manufacture of dental prosthetics
- Identification of banknotes and credit cards
- Terrarium illumination
Before Ordering – Verify
- Confirm your fixture accepts a 4W T5 lamp with a G5 base
- Confirm lamp length of 152.4 mm (6.0") matches your fixture
- Confirm the fixture and ballast are rated for this wattage
- The applications above are those listed by the manufacturer for the BLUE UVA range; confirm this lamp suits your specific equipment before ordering
- The manufacturer datasheet does not state the starting method for this lamp; confirm the existing ballast or starter before ordering
Safety and Handling Guidelines
- Turn off and allow the fixture to cool before relamping
- Handle by the base/end caps; avoid flexing or striking the glass tube
- This lamp emits UVA radiation; avoid prolonged direct exposure to the lamp during operation
- Contains mercury – if broken, ventilate the area and follow EPA cleanup guidance
- Dispose of / recycle in accordance with state and local regulations
Compliance
- Contains mercury; recycle per lamprecycle.org
- Low mercury content, per the manufacturer
Ordering Information
- Sylvania Product Number: 20425
- Ordering Abbreviation: F4T5/BLB
- UPC: 046135204258
- Case Quantity: 24 per case (per manufacturer datasheet)
For wholesale pricing, bulk availability, or help confirming the correct replacement lamp, contact ADL Supply at 1-800-235-3489.
