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Prefocus Flanged Base Miniature Light Bulbs & Lamps

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Prefocus flange base miniature light bulbs have a collar that keeps the base aligned for proper seating as it's pushed into a matching prefocus socket. They are most commonly used as vehicle headlamps but may also supply the light source for specialized applications ranging from indicator and navigation lights to studio and projector lights. Their trade number provides a reference to find a replacement bulb for a specific application. The number may be printed on the lamp itself or in its instruction manual.

P28s Base Lamps

P28s Base Lamps
P28s lamps have a prefocus base that's 28mm in diameter with a single contact that sits inline with the bulb and seats into a P28s-compatible socket. Also known as medium prefocus base lamps, they are commonly used in marine and industrial signaling lights as well as stage and studio lights.


(T) Tubular Shape

Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order.