Sylvania Dulux L 40W 3500K Compact Fluorescent Twin Tube Lamp – 2G11 4-Pin Base, 22.4" T5

The Sylvania Dulux L 40W/835 Compact Fluorescent Lamp features a 4-pin 2G11 base and T5 twin-tube design, delivering 2900 initial lumens at 3500K (natural white) color temperature. Designed for rapid start operation and compatibility with a wide range of ballasts, this lamp is ideal for high-efficiency commercial and institutional lighting.

Technical Specifications

• Wattage: 40 Watts
• Lamp Type: Compact Fluorescent (CFL)
• Bulb Shape: T5 Twin Tube
• Base: 2G11 4-Pin
• Color Temperature: 3500K Natural White
• Color Rendering Index (CRI): 80
• Initial Lumens: 2900 lm
• Mean Lumens: 2494 lm
• Rated Life: 15,000 hours (3 hr. cycle)
• Maximum Overall Length (MOL): 22.4 in (573 mm)
• Diameter: 0.63 in
• Packaging: 10 lamps per case
• ANSI Standard: C78.901 - 2001
• Abbreviation: FT40DL835RSECO

Compatibility

Can be used with magnetic, electronic, or dimming ballasts.

Cross References

• GE F40/30BX/SPX35
• Philips PL-L 40W/835/4P
• Osram Dulux L 40W/835
• Ushio CF-L40SE/835
• FT40W/3500K/2G11

Compatible Ballasts

• Advance ICN-2TTP40-SC
• Sylvania QHE2X40DL-UNV-ISN-SC
• Sylvania 51833 QTP2x26CF/UNV DM
• Universal Triad C240PUNVHP-B

Additional Information

Approximate initial lumens measured after 100 hours of operation. Minimum starting temperature is ballast-dependent. High-frequency ballasts may trigger abnormal end-of-life behavior in T5 and CFL lamps, including overheating and base melting. NEMA recommends ballasts with EOL (end-of-life) protection circuits for safety. Fluorescent life ratings are based on 3-hour operation cycles. Longer cycles increase lamp life. Rule of thumb: divide incandescent wattage by 4 to estimate comparable CFL wattage.