Philips 6834FO (EFP) - MR16 100W/12V GZ6.35 dichroic lamp (50 h life, 3330 K)
The Philips 6834FO (EFP) is a 100W , 12V MR16 dichroic halogen lamp with a GZ6.35 base, designed for projection systems, fiber optics, medical and scientific equipment , and entertainment applications. Its dichroic reflector expels much of the heat to the rear of the optical system, keeping the front beam cooler and more stable. It offers a 50-hour lifespan , a color temperature of 3330K , and a CRI of 100 , with dimmer control and P90/P15 operating positions . The bulb is Quartz UV-Open , and the R50 (50mm diameter) format facilitates integration into projectors and compact fiber optic heads.
Main features
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Power / Voltage: 100 W, 12 V (low voltage)
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Socket: GZ6.35 (2 pins)
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Reflector: MR16 / R50 with dichroic coating
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Average lifespan: 50 h
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Color temperature (CCT): 3330 K (photo-optical tungsten)
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Color Rendering Index (CRI): 100
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Regulation: Yes, dimmable
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Operating position: P90/P15
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Bulb: UV-Open Quartz
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Dimensions: diameter 50 mm; length (C max.) 42 mm
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Net weight approx.: 0.023 kg
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Presentation: 1 unit per inner box; 50 units per outer box (1CT/10×5F)
Product benefits
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Clean and stable beam: precise filament and reflector, with minimal flux depreciation over lifetime.
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Improved thermal management: the dichroic reflector directs heat backwards, protecting filters, optics and samples.
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Maximum color and fidelity: CRI 100 and controlled warm tone (3330 K) ideal for image, laboratory and scene.
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Easy integration: widely compatible MR16 format and GZ6.35 base; compact size Ø 50 × 42 mm .
Use cases
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Optics and medicine: microscopy, light sources for cold light , endoscopy and diagnostic equipment.
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Projection and fiber optics: compact projectors and fiber optic heads with high spot illuminance.
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Entertainment: lighting effects, small projectors and special 12V systems.
Frequently Asked Questions
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Does it need a transformer? Yes, it requires 12V stabilized by means of a transformer/equipment suitable for low voltage halogen lamps.
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Is it dimmable? Yes, it is dimmable; use dimmers compatible with halogen loads.
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What is the correct orientation? The working position is P90/P15 (positions indicated by the luminaire manufacturer are permitted).
Usage and safety recommendations
- Check the compatibility of the GZ6.35 socket (not to be confused with GX5.3) and the dimensions of the reflector.
- Handle with gloves ; clean the bulb if there are fingerprints to avoid hot spots.
- Respect ventilation and thermal limits of the luminaire; install filters/shields if UV protection is required.
Project description
Philips 6834FO (EFP) dichroic lamp, MR16/R50 , GZ6.35 base, 100 W , 12 V , 50 h life , 3330 K , CRI 100 , dimmable , P90/P15 position; Quartz UV-Open bulb; dimensions: Ø 50 mm , length 42 mm ; presentation 1CT/10×5F ; applications: projection, fiber optics, medical/scientific and entertainment.
