Sylvania 58309 50MR16/T/FL35/EXN/C 12V

The Sylvania 58309 50MR16/T/FL35/EXN/C 12V is a precision low-voltage halogen reflector lamp engineered for high-output retail display, hospitality accent, and architectural track lighting requiring ANSI EXN compatibility. Delivering 900 lumens at 3000K Warm White through a 35° flood beam, the Tru-Aim Titan Enhanced Long Life series doubles the standard MR16 rated life to 4,000 hours — significantly reducing relamping frequency in commercial installations on 12V GU5.3 low-voltage systems.

ADL Supply Expert Application & Replacement Guide

The Sylvania EXN (ANSI 50MR16/FL35) is the direct ANSI-coded replacement for any GU5.3 bi-pin 12V fixture specced for a 50W MR16 flood — before substitution, verify the transformer is rated for 50W or greater, as the step up from a 35W FMW to this 50W EXN will push an undersized transformer into thermal overload, particularly in multi-lamp daisy-chain circuits common in retail track installations. The Titan series filament design achieves its 4,000-hour rated life through tighter filament geometry and enhanced envelope chemistry — this makes it the correct specification for high-bay or hard-to-access track positions where relamping labor costs outweigh the per-unit price premium over standard-life MR16 sources. The covered front glass (suffix /C) delivers passive UV filtration essential in merchandise display environments, and the 900-lumen output at 35° FL35 provides noticeably broader and brighter coverage than a 35W FMW in the same fixture — confirm the application actually requires 50W output before ordering, as the higher lumen level can cause glare in low-ceiling hospitality environments designed around 35W sources. Electronic low-voltage (ELV) transformers are strongly preferred for Titan-series lamps, as stable voltage regulation directly protects the enhanced filament from the thermal cycling stress that shortens life on magnetic transformer circuits with poor voltage hold.

Detailed Product Specifications

• Brand: Sylvania
• Series: Tru-Aim Titan — Enhanced Long Life
• Sylvania Order Code: 58309
• Manufacturer Part Number: 50MR16-Titan-FL35-EXN
• UPC: 46135583094
• ANSI Code: EXN
• Lamp Technology: MR16 Halogen Reflector — Low Voltage, Enhanced Long Life
• Wattage: 50W
• Operating Voltage: 12V (Low Voltage — requires compatible 12V magnetic or electronic transformer)
• Color Temperature: 3000K Warm White
• CRI: ~100
• Initial Lumens: 900 lm
• Rated Average Life: 4,000 hours
• Base Type: GU5.3 Bi-Pin (2-pin, 5.3mm pin spacing)
• Beam Angle: 35° Flood (FL35)
• Lamp Diameter: 50mm — 2 in. (MR16 = 16/8″)
• Maximum Overall Length (MOL): 44.5mm — 1.75 in.
• Burn / Operating Position: Universal
• Front Glass: Covered (UV-filtering)

Operation, Safety & Mounting Compliance

Transformer & Voltage Requirements

This lamp operates exclusively at 12V AC low voltage. It must be powered by a compatible 12V magnetic or electronic low-voltage transformer rated at or above 50W. Connecting directly to 120V or 240V line voltage will cause immediate lamp destruction and presents a fire and shock hazard. In multi-lamp circuits, verify the transformer's total wattage capacity against the cumulative lamp load before installation — the 50W draw of the EXN is a meaningful step up from 35W sources and will exceed the rated capacity of transformers sized for lower-wattage MR16 lamps.

Handling & Thermal Safety

Do not touch the lamp envelope, front glass, or reflector with bare hands. Skin oils create localized hot spots on the quartz envelope during operation, causing stress fractures and premature failure — this is especially consequential on Titan-series lamps where filament integrity is the basis of the extended 4,000-hour life rating. Use clean cotton gloves or a lint-free cloth for all handling. Allow a minimum 15-minute cool-down period before relamping or repositioning a previously operated lamp. Ensure the fixture is rated for MR16 covered-front lamps prior to installation — some open-type fixtures restrict use of lensed or covered MR16 sources due to thermal accumulation.

Mounting & Position

Universal burn position — the lamp may be operated in any orientation without restriction. Ensure the GU5.3 bi-pin base seats fully and locks into the fixture socket before energizing.

Disposal

Halogen lamp — contains no mercury. Dispose per applicable local electronic or general waste regulations. Verify RoHS compliance status with the Sylvania product data sheet prior to specification in regulated environments.

Targeted Commercial Applications

• High-traffic retail and display accent lighting — The 4,000-hour Titan life rating makes this the correct specification for retail environments with elevated relamping labor costs; 900 lumens at CRI ~100 and 3000K delivers accurate color rendering for merchandise, jewelry, and garment display under a covered UV-filtering front glass.
• Hospitality and architectural track lighting — Compatible with low-voltage MR16 track heads (GU5.3 socket) in hotel lobbies, restaurants, and gallery environments where 3000K warm output and extended service intervals between relamping cycles reduce maintenance disruption to operations.
• Hard-to-access recessed accent retrofit — The doubled rated life versus standard MR16 sources makes this lamp the preferred EXN replacement in ceiling-recessed fixtures where relamping requires lift equipment or significant access effort; verify fixture housing is rated for covered-front lamps and confirm transformer load before ordering in quantity.

Bulk Commercial Lighting Supply & Project Support

ADL Supply supports electrical contractors, facility managers, and lighting specifiers sourcing MR16 halogen lamps and low-voltage lighting components across the United States. For bulk contractor pricing on the Sylvania 58309 EXN or the full Tru-Aim Titan extended-life MR16 series, contact our commercial lighting specialists at 1-800-235-3489. We are your premier commercial Lighting Distributor in Doral, Florida.