Product Overview

Sylvania 24836 F48T12D/ECO – 39W T12 Slimline Instant Start Fluorescent Lamp | 6500K | 2,450 Lumens | Fa8 Single Pin
2,450 lumens at 6500K Daylight with CRI 76 – a 39W T12 Slimline Instant Start fluorescent lamp designed for slimline instant start fixtures.
| Wattage / Type 39W / T12 T12 Slimline | Color Temp 6500K Daylight | Initial Lumens 2,450 lm | Rated Life 9,000 hr Rated Average | Base Type Fa8 Single Pin Confirm Socket |
Quick Specs
- Brand: Sylvania
- Product Code / Model: 24836 / F48T12D/ECO
- Lamp Type: Fluorescent – T12 Slimline Instant Start
- Starting Method: Instant Start (Slimline)
- Wattage: 39W
- Base Type: Fa8 Single Pin
- Color Temperature: 6500K Daylight
- CRI: 76
- Initial Lumens: 2,450 lm (approx., after 100 hours of operation)
- Mean Lumens: 2,155 lm (measured at 40% of rated life)
- Rated Average Life: 9,000 hr at 3 hours per start
- Nominal Length: 48 in
- Maximum Overall Length (MOL): 46 in
- Bulb Diameter: 1.5 in (T12)
Product Overview
The Sylvania 24836 F48T12D/ECO is a 39W T12 Slimline Instant Start fluorescent lamp delivering 2,450 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, 39W wattage, and 6500K color temperature against your existing lamp or fixture label.
Why Choose This Product
- 2,450 initial lumens: Catalog rating after 100 hours of operation, with 2,155 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.
- 9,000 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 | 24836 / F48T12D/ECO |
| Lamp Type | Fluorescent – T12 Slimline Instant Start |
| Starting Method | Instant Start (Slimline) |
| Wattage | 39W |
| Base | Fa8 Single Pin |
| Color Temperature | 6500K Daylight |
| CRI | 76 |
| Initial Lumens | 2,450 lm |
| Mean Lumens | 2,155 lm |
| Rated Average Life (3 hr/start) | 9,000 hr |
Dimensions
| Nominal Length | 48 in |
| Maximum Overall Length (MOL) | 46 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 F48T12D/ECO 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 F48T12D/ECO or an approved equivalent.
- Fixture socket matches Fa8 Single Pin.
- Wattage is 39W and the ballast is compatible.
- Color temperature is 6500K Daylight.
- Physical size is 48 in nominal length (46 in MOL) x 1.5 in diameter.
Ordering Information
- Brand: Sylvania
- Product Code / Model: 24836 / F48T12D/ECO
- Description: 39W T12 Slimline Instant Start fluorescent lamp, 6500K Daylight, 2,450 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 F48T12D/ECO lamps.
- Fluorescent lamps contain mercury and should be recycled or disposed of according to local regulations.
- ECOLOGIC (ECO) lamp: designed to pass the federal TCLP criteria for classification as non-hazardous waste in most states. Disposal regulations vary – check local and state 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.