OSRAM 64251 HLX 20 W 6 V PG22 - Reflectorless low-voltage halogen lamp for microscopy and fiber optics (3350 K)
The OSRAM 64251 HLX is a reflectorless , low-voltage halogen lamp with a PG22 base and a power rating of 20 W at 6 V (AC) , designed for medical and scientific applications such as microscopy, fiber optic illumination, laboratory, analytical, and dental/surgical equipment. It belongs to the XENOPHOT HLX family, which uses xenon gas instead of krypton to offer up to 10% more luminous flux with the same power consumption . It provides instant light , is dimmable , and maintains a stable output throughout its rated life of 100 hours .
Its photometry is optimized for precise optical coupling: 460 lm luminous flux , 3350 K color temperature , and a CRI Ra 100 for faithful color rendering. The compact geometry ( 9 mm diameter , 40 mm length ) and the 14 mm LCL with a 2.3 × 0.6 mm² illuminated field facilitate focusing in light guides and slit systems. It supports a universal working position , simplifying its integration into existing equipment.
Main features
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Technology: Reflectorless low-voltage halogen, XENOPHOT HLX line
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Base / socket: PG22 (2 pins, pre-focus)
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Power / rated voltage: 20 W / 6 V (current type: AC)
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Nominal luminous flux: 460 lm
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Color temperature: 3350 K
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Color Rendering Index: Ra 100
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Illuminated field: 2.3 × 0.6 mm²
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LCL (Light Center Length): 14mm
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Dimensions: diameter 9 mm; length 40 mm
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Product weight: 4.7 g
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Nominal lifespan: 100 h
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Job position: Any (universal)
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Adjustable: Yes
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HLX Benefit: Up to +10% flux with the same energy consumption compared to standard lamps
Product benefits
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Improved performance thanks to xenon filling (HLX family): greater luminous efficacy without increasing power.
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Reference colorimetry (CRI 100) for inspection, vision and scientific documentation processes.
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Precise optical coupling : LCL and illuminated field optimized for fibers and slits.
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Easy installation thanks to its PG22 base and universal position.
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Agile operation : instant start-up and regulation compatible with suitable low-voltage equipment.
Use cases
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Microscopy and laboratory : stable light sources for observation and imaging.
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Medical optical fiber : efficient coupling in light guides for endoscopy and field illumination.
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Dentistry and operating room : ceiling lights and procedure lights with PG22 base.
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Slit illumination (ophthalmology) : lamps for slit projection systems and related equipment.
Frequently Asked Questions
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What is the difference between an HLX and a standard halogen lamp? HLX lamps use xenon as the fill gas and offer approximately 10% more light output at the same wattage.
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Is it compatible with my equipment? Please verify that the socket is PG22 and that the equipment supplies 6 V AC . The LCL 14 mm and the field 2.3 × 0.6 mm² must match the manufacturer's optical design.
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Can it be used in any orientation? Yes, Any position (universal).
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Can it be regulated? Yes, it is dimmable with suitable low-voltage regulating equipment.
Installation and safety
- Operate only on suitable luminaires with protective covers that contain fragments in case of breakage and limit UV radiation and heat towards the user.
- Avoid touching the quartz; handle with gloves or a lint-free cloth.
- Respect the equipment ventilation and nominal electrical conditions (6 V, 20 W).
Project description
OSRAM 64251 HLX halogen lamp, without reflector; PG22 base; 20 W , 6 V (AC) ; 460 lm ; 3350 K ; CRI Ra 100 ; LCL 14 mm ; illuminated field 2.3 × 0.6 mm² ; Ø 9 mm ; length 40 mm ; position Any ; life 100 h ; dimmable ; XENOPHOT HLX family (≈+10% flux compared to standard halogens).
