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Single 2-pin fluorescent tube, 7.08 inch length, 0.50 inch diameter, GX23 base, cool white 6500K

Ushio

Ushio CF13S/865 13W 6500K GX23 fluorescent bulb

SKU CH-AXRZ-R72C3

A 13 W GX23-base compact fluorescent bulb delivering 760 lumens of 6500 K daylight with 85 CRI and a 10 000-hour rated life

  • Power rating13 W
  • Light output760
  • Lifespan (hours)10000
  • Color rendering85
  • Product typeFluorescent Bulbs
  • Daylight-quality light with 6500 K colour temperature
  • 760 lumens of brightness from only 13 W
  • 10 000-hour rated life reduces replacement frequency
  • CRI 85 renders colours accurately
  • GX23 2-pin base fits compatible fixtures

Compact fluorescent bulb for general lighting

This 13 watt Ushio fluorescent bulb uses a GX23 two-pin base and delivers 760 lumens at a 6500K colour temperature. The single-tube design measures 7.08 inches in overall length with a 0.50 inch diameter. Rated life is 10000 hours and the colour rendering index is 85.

Suits fixtures needing a GX23 13W lamp

Buyers replacing a CF13S/865 in compatible downlights, task lights or signage will find a direct match. Installations that require a different base type, higher lumen output, dimmable operation or a warmer colour appearance should look at other options.

Fits GX23 sockets in existing luminaires

The lamp plugs into a GX23 holder without rewiring and operates on the fixture's built-in ballast. Its slim 0.50 inch diameter allows use in narrow housings where larger tubes cannot fit. The 10000-hour rating reduces relamping frequency in commercial or residential settings.

How it compares

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

Price $2.99
Cheaper than about 96% of the 1,791 comparable items (median $17.99).
Power rating 13 W
Lower than about 90% of the 162 comparable items (median 70 W).

Specifications

Product
Brand nameUshio
Product typeFluorescent Bulbs
Display
Light output760
Power
Power rating13 W
More details
Lifespan (hours)10000
Color rendering85

Questions about this item

What fixture do I need for the GX23 base on this 13 W bulb?

You need a socket that accepts a GX23 2-pin base; the bulb will not fit screw-in or other pin-type holders.

Can I mix this 13 W lamp with other wattage CFLs on the same circuit?

Yes, each lamp draws its own current so a 13 W unit can share a circuit with different wattage CFLs as long as the total load stays within the circuit rating.

How can I verify the 6500 K colour temperature once installed?

The light should appear cool daylight white; if it looks noticeably warmer or pinkish the lamp may be faulty or mismatched.

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