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Small clear glass T2.5 bulb with Ba9s bayonet base

GE

GE 26698 2059X 10 W 12 V Ba9s T2.5 Standard Bulb

SKU CH-QZX0-S3NYA

10 W 12 V Ba9s T2.5 miniature bayonet bulb rated for 4 000 hours

  • Power rating10
  • Lifespan (hours)4000
  • Product typeAutomotive Bulbs
  • 10 W output for bright low-voltage illumination
  • 12 V operation suits aircraft and specialised systems
  • Ba9s miniature bayonet base enables quick installation
  • 4 000-hour rated life reduces replacement frequency

GE 2059X 10 W 12 V Ba9s Miniature Bayonet Bulb

The GE 2059X is a 10 watt low-voltage miniature bulb with a Ba9s bayonet base. It operates at 12 volts and is rated for 4000 hours of service life. This lamp is designed for aircraft and other low-voltage applications requiring a T2.5 envelope. Buyers needing a different base type or higher wattage should look elsewhere.

Thermals noise and power draw

The bulb draws 10 watts at 12 volts during normal operation. Waste heat is dissipated from the small T2.5 glass envelope into the surrounding fixture. No active cooling or fan is present, so the lamp runs silently. Ensure the socket and wiring are rated for the 10 watt load.

How it compares

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

Price $33.99
Pricier than about 70% of the 1,791 comparable items (median $17.99).

Specifications

Product
Brand nameGE
Product typeAutomotive Bulbs
Power
Power rating10
More details
Lifespan (hours)4000

Questions about this item

How do I install the GE 26698 2059X bulb correctly, and what step is often missed?

Align the Ba9s bayonet pins with the socket slots, push down firmly, and twist until the pins lock into the L-shaped grooves; the step often missed is not pushing down enough before twisting, so the pins ride over the slots instead of locking.

When will the GE 26698 2059X bulb need replacement based on its rated life?

The bulb is rated for 4000 hours of operation; at 12 V and 10 W it should be replaced once it reaches that runtime or if the filament fails earlier.

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