Replacement Miniature Bulb, 2.7-3 Watts, 3.5V, T1, Bi-Pin

This halogen indicator lamp is a direct replacement component designed for Welch Allyn 03100-U medical diagnostic equipment and compatible scope systems. The lamp features a 2.7-watt halogen design with 3.5-volt operation, delivering consistent illumination for examination scopes, otoscopes, and related diagnostic instruments used in clinical and medical settings. The bulb employs a T1 1/2 glass envelope with a bi-pin single-ended screw base configuration, measuring 0.747 inches in overall length. Operating at 775 milliamps with a color temperature of 3250 Kelvin, this lamp produces the warm, clear light output necessary for accurate medical examination and diagnosis. The halogen filament construction provides a rated average lifespan of approximately 20 hours of use, making it suitable for high-frequency clinical environments where reliable illumination is critical. This replacement lamp is engineered to match OEM specifications for the WA-03100U model series, ensuring proper fit, electrical compatibility, and optical performance with original equipment. The glass and metal construction provides durability and thermal stability necessary for continuous operation in medical-grade diagnostic instruments. The low-voltage design supports safe operation in healthcare facility environments where electrical safety standards are paramount. Ideal for hospitals, clinics, physicians' offices, and medical equipment service facilities, this indicator lamp serves as an essential maintenance component for diagnostic scope systems. When the lamp dims or fails, this replacement restores proper illumination without requiring costly equipment replacement. Stock this part for emergency repairs and routine maintenance of Welch Allyn diagnostic equipment inventory.