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Small clear halogen capsule with two pin G4 base

Antique Light Bulb Co.

Antique Light Bulb Co. 10 watt 12 volt G4 Halogen Bulb 140 lumen 3000K

SKU CH-7WPQ-PARY0

A 10 watt 12 volt G4 halogen bulb delivering 140 lumens at 3000K with a 2000 hour life and 100 CRI in a 1.25 inch quartz capsule

  • Power rating10
  • Light output140
  • Color temperature3000K
  • Lifespan (hours)2000
  • Color rendering100
  • Product typeHalogen Bulbs
  • 10 W halogen delivers 140 lumens for focused task lighting
  • 12 V G4 base fits compact desk, pendant and medical fixtures
  • 3000 K warm white with CRI 100 renders colours accurately
  • 25 in length suits tight housings in projectors and microscopes
  • 2 000-hour rated life reduces replacement frequency in daily use

10 W 12 V G4 Halogen Bulb

This 10 watt 12 volt G4 base halogen bulb delivers 140 lumens at a warm 3000K colour temperature. It is rated for 2000 hours of life and offers a colour rendering index of 100 for accurate colour reproduction. The compact quartz capsule measures 1.25 inches in overall length. It suits residential lamps, desk lights, hanging fixtures and specialised equipment such as microscopes or projectors.

Upgrade From Lower Output Halogen

The bulb replaces dimmer halogen capsules in existing 12 V G4 sockets where brighter, whiter light is required. The jump is worth it when the current lamp produces insufficient lumens for task lighting or detailed work. It also serves as a direct substitute for expired bulbs in medical, ophthalmic or microfilm devices that demand high CRI output. Buyers seeking LED longevity or lower heat should consider alternative technologies instead.

Check Fixture Voltage And Socket

Verify that the fixture supplies 12 volts and accepts a G4 bi-pin base before ordering. Confirm the 1.25 inch capsule length fits within the lamp housing without touching the glass or shade. Ensure the power supply or transformer can handle the 10 watt load per bulb. This bulb is not compatible with mains voltage sockets or dimmers not rated for halogen loads.

How it compares

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

Price $4.99
Cheaper than about 92% of the 1,791 comparable items (median $17.99).

Specifications

Product
Brand nameBulbamerica
Product typeHalogen Bulbs
Display
Light output140
Power
Power rating10
More details
Color temperature3000K
Lifespan (hours)2000
Color rendering100

Questions about this item

What fixture dimensions suit the 1.25 inch overall length and G4 base?

The bulb measures 1.25 inches end to end and uses a G4 bi-pin base, so it fits low-voltage sockets in desk lamps, pendant lights, microscopes and similar compact fixtures.

What is the correct 12 volt power source and the handling step installers often skip?

Connect the bulb to a 12 volt AC or DC supply rated for at least 10 watts, and avoid touching the quartz envelope with bare fingers because skin oils create hot spots that shorten the 2000 hour life.

When should the bulb be replaced and what indicates end of life?

Plan replacement around 2000 hours of use; the filament will fail and light output drops from the rated 140 lumens at 3000K with a CRI of 100.

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