Sylvania 21271 CF9DS/850/ECO – 9W | 5000K Daylight | 580 lm | G23 2-Pin

The Sylvania 21271 CF9DS/850/ECO is a 9W 5000K Daylight 2-pin compact fluorescent lamp delivering 580 lm initial lumens, CRI 82, G23 2-Pin base, and 10,000-hour rated life. This lamp requires an external compatible ballast — it is not self-ballasted. Non-dimmable. UPC: 46135212710.

Quick Specs

• Brand: Sylvania
• Item / Catalog Number: Dulux S 9W 5000K G23 Base
• EAN / UPC: 46135212710
• ANSI Standard: C78.901 - 2001
• Lamp / Bulb Type: T4 2-Pin CFL (Single Tube)
• Wattage: 9W
• Color Temperature: 5000K Daylight
• CRI: 82
• Initial Lumens: 580 lm
• Rated Average Life: 10,000 hours
• Base Type: G23 2-Pin
• Overall Length (MOL): 6.5in
• Dimmable: No — non-dimmable
• Ballast Requirement: External ballast required — not self-ballasted
• Compatible Ballast Type: Magnetic

Product Overview

The Sylvania 21271 CF9DS/850/ECO is a 9W 5000K Daylight 2-pin compact fluorescent lamp designed for daylight for warehouses, task lighting, and high-contrast commercial applications. Rated life of 10,000 hours reduces maintenance frequency in commercial installations. CRI 82 provides good color rendering for task and display applications. This lamp requires an external preheat ballast with an integral starter — it is not self-ballasted. Non-dimmable.

The 2-pin base design incorporates a built-in special instant starter and capacitor within the housing, allowing operation on compatible preheat magnetic ballasts. This lamp is manufactured in accordance with ANSI C78.901-2001 and is TCLP compliant.

Applications

• Commercial and residential 2-pin CFL fixtures – Recessed downlights, wall sconces, accent fixtures, and commercial ambient lighting requiring daylight for warehouses, task lighting, and high-contrast commercial applications.
• Retrofit and maintenance replacement – Drop-in replacement in compatible 2-pin CFL fixtures. Confirm base type, wattage, and ballast compatibility before ordering.

Replacing Your Current 2-Pin CFL?

• Base type — confirm 2-pin vs 4-pin: This lamp uses a G23 2-Pin 2-pin base. 2-pin and 4-pin lamps are not interchangeable. Check your fixture socket.
• G23 2-Pin base — verify socket: Confirm your fixture uses G23 2-Pin sockets. Verify exact designation with fixture documentation.
• Ballast compatibility: Requires compatible external preheat magnetic ballast with integral starter. Verify ballast is rated for 9W and G23 2-Pin.
• Wattage — 9W: Confirm your ballast and fixture are rated for 9W.
• Dimmable — No: Non-dimmable. Do not install on a dimmer circuit.

Ordering Information

• Brand: Sylvania
• Item / Catalog Number: Dulux S 9W 5000K G23 Base
• UPC / EAN: 46135212710
• Wattage / CCT: 9W / 5000K Daylight
• Base: G23 2-Pin
• Case quantities and bulk pricing: Contact ADL Supply for volume orders.

Compliance

• ANSI C78.901-2001 compliant.
• TCLP compliant — designed to pass Toxicity Characteristic Leaching Procedure.
• Verify RoHS compliance with manufacturer specification sheet.
• Verify Prop 65 warning requirements with manufacturer specification sheet.
• This lamp contains mercury — dispose per local lamp recycling regulations. Visit lamprecycle.org.

ADL Supply recommends confirming all specifications with the manufacturer product data sheet prior to installation.