Ushio

Ushio BC2434 CF26TE/835 26W GX24q-3 Base CFL Bulb

4.3 (21 reviews)
26W

Reliable 26W compact fluorescent lamp delivering 1,800 lumens of warm 3,500K light for up to 10,000 hours.

$13.99*$14.23Save 1%
In Stock on Amazon.com
View on Amazon

*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

The Ushio BC2434 CF26TE/835 is a 26-watt triple-tube compact fluorescent lamp engineered for commercial and institutional lighting applications. Operating at a 3,500K color temperature, it produces a neutral warm white light that balances warmth and clarity — bright enough for productive work environments while remaining comfortable in reception areas, hallways, and retail spaces. With a lumen output of 1,800, it delivers strong illumination relative to its modest wattage, translating to meaningful energy savings over traditional incandescent alternatives.

Built around the GX24q-3 4-pin base, this lamp is designed for use in recessed downlights, troffers, and other commercial fixtures equipped with compatible electronic ballasts. Its 10,000-hour rated lifetime keeps replacement cycles manageable in high-use environments, reducing ongoing maintenance demands. The CRI of 82 provides acceptable color rendering for most general-purpose applications, making it a practical choice for facilities that rely on proven CFL technology for their everyday lighting needs.

Key Features

Color Temperature: 3,500K

Average Lifetime: 10000 hours

Lumens (light output): 1800

Specifications

Brand
Ushio
Model
BC2434 (CF26TE/835)
Wattage
26W
Base Type
GX24q-3 (4-Pin)
Color Temperature
3,500K
CRI
82
Lumens
1,800
Average Lifetime
10,000 hours

Pros & Cons

👍 Pros

  • Produces 1,800 lumens at only 26 watts for significant energy savings over incandescent equivalents
  • 10,000-hour rated life reduces bulb replacement frequency and maintenance costs
  • 3,500K neutral warm white color temperature suits a wide range of commercial settings
  • GX24q-3 4-pin base provides a secure, stable connection in compatible fixtures

👎 Cons

  • GX24q-3 base is not interchangeable with standard screw-in sockets, limiting fixture compatibility
  • CRI of 82 may not render colors as accurately as higher-CRI alternatives for color-critical work
  • Requires a compatible electronic ballast, adding cost if your fixture is not already equipped
  • Not an instant-on lamp — may take a moment to reach full brightness like most CFLs

Frequently Asked Questions

This bulb uses a GX24q-3 4-pin base, so you need to confirm your fixture accepts that specific base type before purchasing.
It produces light at 3,500K, which is a neutral warm white commonly used in commercial and office environments.
The Ushio CF26TE/835 has a rated average lifetime of 10,000 hours under normal operating conditions.
This is a standard CFL with a GX24q-3 base designed for use with compatible electronic ballasts. Dimming capability depends on the ballast installed in your fixture.
It outputs 1,800 lumens at 26 watts, making it an energy-efficient alternative to higher-wattage incandescent lamps.