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Small clear halogen bulb with two pins marked 5761

Philips

Philips 257139 5761 30W 6V Halogen Standard Bulb

SKU CH-4G57-AWB9W

30 W halogen bulb with G4 base delivers 765 lumens at 3200 K for projector and studio use

  • Power rating30 W
  • Light output765
  • Lifespan (hours)100
  • Color rendering100
  • Product typeHalogen Bulbs
  • Bright 765-lumen output for clear projection
  • Accurate colour rendering with CRI 100
  • Warm 3200 K light suits stage and studio
  • Compact G4 bi-pin base fits tight fixtures
  • 100-hour rated life for reliable use

Philips 30 W 6 V Halogen Bulb

The Philips 257139 5761 is a 30 W 6 V halogen lamp rated at 765 lumens with a colour temperature of 3 200 K and a CRI of 100. It uses a T3.5 sub-miniature bi-pin G4 base and is designed for projector, stage and studio fixtures. The rated life is 100 hours.

G4 Bi-Pin Installation Notes

Align the two pins with the socket and push straight in until the lamp seats firmly; do not twist. Handle the quartz envelope only with clean gloves or a lint-free cloth because skin oils create hot spots that shorten the 100-hour life. Ensure the fixture power is off and the supply delivers exactly 6 V before fitting.

Fixture Compatibility Check

Verify that the existing lamp holder accepts a G4 bi-pin base and that the circuit is a 6 V system; a higher voltage will destroy the filament instantly. Confirm the fixture can dissipate the heat from a 30 W halogen source and that the physical envelope fits the housing. The 100-hour rating means frequent replacement is expected in continuous use.

How it compares

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

Price $12.99
Cheaper than about 65% of the 1,791 comparable items (median $17.99).
Power rating 30 W
Lower than about 70% of the 162 comparable items (median 70 W).

Specifications

Product
Brand namePhilips
Product typeHalogen Bulbs
Display
Light output765
Power
Power rating30 W
More details
Lifespan (hours)100
Color rendering100

Questions about this item

How do I verify the Philips 257139 is operating correctly after installation?

The bulb should produce 765 lumens at 3,200 K with a CRI of 100 and reach its rated 100-hour life when run at 30 W and 6 V.

What comes in the box and what must I source separately?

The package contains the Philips 5761 halogen bulb with a G4 bi-pin base; you must supply a compatible 6 V fixture or transformer.

Which version should I choose for my projector or studio fixture?

Select the 30 W 6 V model 257139 (5761) with a T3.5 G4 base when your equipment specifies those exact ratings.

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