Product Overview

Sylvania 26404 F64T12/D – 52W T12 Slimline Instant Start Fluorescent Lamp | 6500K | 3,300 Lumens | Fa8 Single Pin
3,300 lumens at 6500K Daylight with CRI 76 – a 52W T12 Slimline Instant Start fluorescent lamp designed for slimline instant start fixtures.
| Wattage / Type 52W / T12 T12 Slimline | Color Temp 6500K Daylight | Initial Lumens 3,300 lm | Rated Life 12,000 hr Rated Average | Base Type Fa8 Single Pin Confirm Socket |
Quick Specs
- Brand: Sylvania
- Product Code / Model: 26404 / F64T12/D
- Lamp Type: Fluorescent – T12 Slimline Instant Start
- Starting Method: Instant Start (Slimline)
- Wattage: 52W
- Base Type: Fa8 Single Pin
- Color Temperature: 6500K Daylight
- CRI: 76
- Initial Lumens: 3,300 lm (approx., after 100 hours of operation)
- Mean Lumens: 2,905 lm (measured at 40% of rated life)
- Rated Average Life: 12,000 hr at 3 hours per start
- Nominal Length: 64 in
- Maximum Overall Length (MOL): 62 in
- Bulb Diameter: 1.5 in (T12)
Product Overview
The Sylvania 26404 F64T12/D is a 52W T12 Slimline Instant Start fluorescent lamp delivering 3,300 initial lumens at 6500K Daylight. It is built for slimline instant start fixtures where lamp length, base type, ballast type, wattage, and color temperature must match the existing system.
This lamp is best suited for maintenance replacement in commercial, industrial, and institutional spaces. Before ordering, confirm the Fa8 Single Pin base, 52W wattage, and 6500K color temperature against your existing lamp or fixture label.
Why Choose This Product
- 3,300 initial lumens: Catalog rating after 100 hours of operation, with 2,905 mean lumens at 40% of rated life.
- 6500K Daylight: Helps match the existing light color across a facility.
- Fa8 Single Pin base: Designed for the correct T12 socket style; confirm before replacement.
- 12,000 hr rated average life: Rated at 3 hours per start; longer burn cycles increase lamp life.
- Sylvania quality: Suitable for professional lighting applications and facility maintenance.
Technical Specifications
| Brand | Sylvania |
| Product Code / Model | 26404 / F64T12/D |
| Lamp Type | Fluorescent – T12 Slimline Instant Start |
| Starting Method | Instant Start (Slimline) |
| Wattage | 52W |
| Base | Fa8 Single Pin |
| Color Temperature | 6500K Daylight |
| CRI | 76 |
| Initial Lumens | 3,300 lm |
| Mean Lumens | 2,905 lm |
| Rated Average Life (3 hr/start) | 12,000 hr |
Dimensions
| Nominal Length | 64 in |
| Maximum Overall Length (MOL) | 62 in |
| Bulb Diameter | 1.5 in (T12) |
Applications
- Maintenance and retrofit replacement in compatible slimline instant start fixtures
- Commercial, industrial, and institutional facilities and utility spaces
- Replacement for existing F64T12/D lamps – confirm the lamp code on your current lamp
Compatibility & Replacement
Fixture type: Designed for slimline instant start fixtures using an Fa8 Single Pin base.
Ballast: Requires a instant start (slimline) ballast rated for this lamp. Always confirm the existing ballast label before ordering.
Starting temperature: Minimum starting temperature is a function of the ballast; consult the ballast manufacturer.
Before ordering, confirm:
- Existing lamp model matches F64T12/D or an approved equivalent.
- Fixture socket matches Fa8 Single Pin.
- Wattage is 52W and the ballast is compatible.
- Color temperature is 6500K Daylight.
- Physical size is 64 in nominal length (62 in MOL) x 1.5 in diameter.
Ordering Information
- Brand: Sylvania
- Product Code / Model: 26404 / F64T12/D
- Description: 52W T12 Slimline Instant Start fluorescent lamp, 6500K Daylight, 3,300 lumens, Fa8 Single Pin base
- Specifications: Taken from the Sylvania linear fluorescent lamp catalog; specifications are subject to change without notice.
Safety & Handling Notes
- Disconnect power before installing or servicing.
- Use only in approved fixtures designed for compatible F64T12/D lamps.
- Fluorescent lamps contain mercury and should be recycled or disposed of according to local regulations.
- Follow the fixture manufacturer's instructions and local electrical codes for installation.
For wholesale pricing, bulk availability, or help confirming the correct replacement lamp, contact ADL Supply at 1-800-235-3489.