Sylvania 58307 50MR16/T/SP10/EXT/C 12V Titan

The Sylvania 58307 50MR16/T/SP10/EXT/C 12V Titan is a precision low-voltage halogen reflector lamp engineered for high-intensity accent, artwork, and architectural feature lighting demanding a tightly controlled 10° spot beam on 12V GU5.3 low-voltage systems. Delivering 690 lumens at 3000K Warm White through one of the narrowest beam patterns available in the MR16 format, the Tru-Aim Titan Enhanced Long Life series achieves 4,000 hours of rated life — twice the standard MR16 rating — making it the correct specification for hard-to-access track and recessed positions where relamping labor is a significant cost factor.

ADL Supply Expert Application & Replacement Guide

The Sylvania 58307 SP10 is one of the most application-specific lamps in the MR16 format — the 10° beam is a true narrow spot, producing a concentrated high-candlepower circle of light suitable for highlighting a single object, architectural feature, or merchandise focal point from distances of 8 to 15 feet; substituting a 25° or 35° source in the same fixture will completely alter the lighting effect and is a common contractor error during relamping. Before installation, confirm the existing transformer is rated for 50W or greater — the SP10's 690-lumen output is achieved through beam concentration, not reduced wattage, and the full 50W draw applies regardless of the narrow beam angle. The Titan series filament design achieves 4,000-hour rated life through enhanced filament geometry and envelope chemistry, making this the preferred specification for museum, gallery, and high-end retail track positions where relamping requires ladder access or exhibit disruption. Electronic low-voltage (ELV) transformers are strongly recommended over magnetic types for Titan-series lamps, as stable voltage regulation under varying load conditions directly protects the enhanced filament from thermal cycling stress that accelerates lumen depreciation in narrow-spot sources operating at full rated wattage.

Detailed Product Specifications

• Brand: Sylvania
• Series: Tru-Aim Titan — Enhanced Long Life
• Sylvania Order Code: 58307
• Manufacturer Part Number: 50MR16/T/SP10/EXT/C
• UPC: 46135583070
• ANSI Code: Not assigned — verify replacement compatibility by wattage, voltage, beam angle, and base type
• 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: 690 lm
• Rated Average Life: 4,000 hours
• Base Type: GU5.3 Bi-Pin (2-pin, 5.3mm pin spacing)
• Beam Angle: 10° Spot (SP10)
• 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 full 50W draw applies at all times regardless of the narrow 10° beam angle.

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 critical on Titan-series lamps where filament integrity is the direct basis of the 4,000-hour extended 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 housings restrict use of lensed or covered MR16 sources due to thermal accumulation at the lamp cap.

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. For precision accent applications, adjust fixture aim angle before energizing — the 10° beam leaves no margin for misalignment that a flood-beam source would otherwise mask.

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

• Museum, gallery, and fine art accent lighting — The 10° SP10 beam and covered UV-filtering front glass make this the correct specification for artwork, sculpture, and artifact highlighting where a tightly controlled light circle, CRI ~100 color accuracy, and UV-free output are required; the 4,000-hour Titan life rating reduces exhibit disruption from relamping in active gallery environments.
• Jewelry showcase and high-value merchandise display — Delivers high-intensity focused illumination onto a single display object or case section from ceiling track heights of 8 to 15 feet; the narrow spot maximizes sparkle and brilliance on faceted stones and polished metals in a way that flood-beam MR16 sources cannot replicate.
• Architectural feature and hard-to-access track retrofit — Correct specification for uplighting columns, highlighting sculptural building details, or any fixed-aim track position where relamping requires lift equipment or significant access effort; confirm fixture housing is rated for covered-front MR16 lamps and verify 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 58307 SP10 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.