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Sylvania Brand 21681 Lamp
 Sylvania 21681 FO32/841/XPS/ECO3
Discount Pricing
(prices per item)
1 - 29 $6.42
30 - 59 $6.36
60 - 89 $6.29
90 - 899 $6.23
900 OR MORE $6.16


  The Sylvania 21681 Lamp is an Energy Star Certified Product The Sylvania 21681 Lamp is a RoHS Compliant Product 
General Specifications
Base Type
G13 (Medium BiPin)
Bulb Type
Rated Average Life
40000 hrs
Color Temperature
4100 K
Color Rendering Index (CRI)
Bulb Finish
Maximum Overall Length (MOL)
48.000 in  (1219.2 mm)
Bulb Diameter
1.098 in  (27.9 mm)
Product Specifications  
Manufacturer Product Code
Ordering Code(s)
Standard Case Size
(listed prices are per lamp)
Energy Star Rated
TCLP Compliant
  Sylvania 21681 Product Specifications

Sylvania 21681 Usage Notes Usage Notes
The 36,000 hour average rated life of the linear 2,3 and 4 foot OCTRONᆴ XPS/ECO lamps is based on operation at 3 hours per start on a QUICKTRONICᆴ programmed start ballast. If operated on other ballasts for T8 OCTRON lamps, lamp life will be 36,000 hours for programmed rapid start operation and 24,000 hours for instant start operation at 3 hours per start.
Approximate initial lumens after 100 hours operation.
Minimum starting temperature is a function of the ballast; consult the ballast manufacturer.
OCTRON lamps should be operated only with magnetic rapid start ballasts designed to operate 265 mA, T-8 lamps or high frequency (electronic) ballasts that are either instant start, or rapid start, or programmed rapid start specifically designed to operate T8 lamps. OCTRON lamps may be operated on instant start ballasts with ballast factors ranging from a minimum of 0.71 to a maximum of 1.20 at the nominal ballast input voltage. When OCTRON lamps are operated in the instant start mode, the two wires or two contacts of each socket should be connected to each other. They should then be connected to the appropriate ballast lead wire using National Electric Code techniques.

Sylvania 21681 Product Notes Product Notes
T8 OCTRON XPS Extended Performance Super fluorescent lamp, rare earth phosphor, ECOLOGIC suitable for IS and RS operation, ECOLOGICᆴ3
The lamp lumen maintenance factor used to determine the mean lumen value was 95%. This is the lamp lumen maintenance factor at 8000 hours, 40% of 20,000 hours. It was used for comparison to standard OCTRON(R) lamps with an average rated life of 20,000 hours. The lamp lumen maintenance factor at 40% of 24,000 hours, 9600 hours, would be 94%. The lamp lumen maintenance factor at 40% of 30,000 hours, 12,000 hours, would be 93%. The lamp lumen maintenance factor at 40% of 36,000 hours, 14,400 hours would also be 93%.
SYLVANIA ECOLOGIC fluorescent lamps are designed to pass the Federal Toxic Characteristic Leaching Procedure (TCLP) criteria for classification as non-hazardous waste in most states. TCLP test results are available upon request. Lamp disposal regulations may vary, check your local & state regulations. For more information, please visit

  Text-to-Speech Descriptions

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