5 Watt miniature - T3 1/4 - 500 Average rated hours - Miniature Screw base - 28 Volt

Dependable Illumination for Specialized Applications

In high-stakes environments where precision matters, every indicator light plays a vital role. The SATCO 5-Watt T3 1/4 Miniature Bulb is engineered specifically for 28-volt systems, providing the focused, reliable brightness required for industrial machinery, instrument panels, and specialized signaling equipment. With its clear finish and C-2F filament, this bulb delivers a crisp, 360-degree light output that ensures critical status indicators are visible from any angle.

Built for Precision and Ease

Finding the right replacement bulb shouldn't be a guessing game. This miniature screw-base (E10) bulb is designed for a secure, vibration-resistant fit in standard sockets. Whether you are maintaining aviation instrumentation, marine electronics, or vintage industrial control boards, this bulb provides a seamless replacement that restores your equipment to full operational visibility without the flicker or instability of lesser alternatives.

• Optimized for 28V Systems: Specifically rated for 28-volt power sources, preventing the premature burnout often seen when using incorrect voltages.
• Full-Circle Visibility: The 360-degree beam spread eliminates dark spots, making it an ideal choice for pilot lights and warning indicators.
• Industrial Grade Fit: The E10 miniature screw base ensures a mechanical connection that stays tight even in high-vibration environments.
• Clear Glass Finish: Maximizes the 3-lumen output for sharp, unobstructed light that cuts through ambient glare.
• Reliable Performance: Rated for 500 average hours, providing consistent service for specialized tasks and professional equipment maintenance.

When your equipment depends on clear communication, don't settle for generic components. This SATCO miniature bulb offers the perfect balance of specialized voltage compatibility and durable construction to keep your projects moving forward and your displays fully functional.