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Small MR16 halogen bulb with GZ6.35 bi-pin base, clear glass envelope

OSRAM SYLVANIA

OSRAM SYLVANIA EFP 64627 100W 12V GZ6.35 Halogen Standard Bulb

SKU CH-PS8B-NXZVR

A 100 W 12 V halogen bulb with a GZ6.35 base, 50-hour life and CRI 100 for microscope, projector and fibre-optic use

  • Power rating100
  • Lifespan (hours)50
  • Color rendering100
  • Product typeHalogen Bulbs
  • Bright, accurate colour with a CRI of 100
  • Low-voltage 12 V design suits specialised equipment
  • MR16 reflector focuses light for precise applications
  • GZ6.35 base with 6.35 mm pin spacing ensures secure fit
  • 50-hour rated life for demanding professional use

OSRAM 100 W 12 V Halogen Lamp

This OSRAM SYLVANIA EFP halogen lamp delivers 100 watts of light at 12 volts with a GZ6.35 base. It is built for microscopes, projectors, fiber-optic illuminators and dental or ophthalmic instruments that require a compact MR16 halogen source.

Check Base Spacing and Voltage Before Ordering

Verify that your fixture accepts a GZ6.35 bi-pin base with 6.3 mm pin spacing and that the supply is 12 volts. The working distance is 1.26 in (32 mm), so confirm the lamp housing can accommodate that focal length.

Rated 50 Hours at Full Power

The lamp is rated for 50 hours of life at its 100 W rating. Under sustained operation the filament runs at high temperature, so expect gradual output decline as the rated hours accumulate rather than stable output over long sessions.

How it compares

Measured against everything we stock in General-Purpose & Specialty Bulbs, at today’s prices. Recalculated every night.

Price $9.99
Cheaper than about 77% of the 1,791 comparable items (median $17.99).

Specifications

Product
Brand nameOSRAM
Product typeHalogen Bulbs
Power
Power rating100
More details
Lifespan (hours)50
Color rendering100

Questions about this item

Does the 64627 halogen bulb ship with any accessories or does the GZ6.35 base need a separate socket?

The bulb is supplied alone; the GZ6.35 bi-pin base with 6.35 mm pin spacing fits directly into a compatible low-voltage socket, which must be purchased separately if you do not already have one.

Should I choose the 100 W 12 V version or is a different wattage available for the 64627?

This 64627 model is only offered as a 100 watt 12 volt lamp; no other wattage or voltage variants exist for this part number.

What does the 50-hour rated life mean when the bulb runs in a microscope or projector?

At the rated 12 V supply the lamp delivers full 100 W output for about 50 hours before filament failure, so plan replacement intervals around that usage figure.

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