Philips 442780 (100Q/CL/DC ESR) - 100W 120V T4 Halogen Mini-Can Lamp, Ba15d Double Contact Bayonet Base, 2700K Clear

Philips 442780 ESR halogen lamp (100Q/CL/DC) is a high-output, line-voltage tungsten halogen capsule bulb delivering bright, sparkling warm light with perfect color rendering (CRI 100). Ideal for accent lighting, display cases, track heads, stage/studio, or specialty fixtures requiring crisp illumination and dimming capability.

Key Specifications

• Wattage: 100W
• Voltage: 120V (line voltage, no transformer required)
• Color Temperature: 2700K (Warm White / Halogen Glow)
• Initial Lumens: 1,600 lm (rated; some listings note up to 1,900 lm)
• CRI (Color Rendering Index): 100
• Rated Average Life: 1,000 hours
• Dimensions (MOL x Diameter): 2.44 inches x 0.50 inches (approx. 62 mm x 12.7 mm)
• Bulb Shape: T4 Clear Capsule
• Base: Ba15d (Double Contact Bayonet / DC Bayonet)
• Filament: CC-8 Axial
• ANSI Code: ESR
• Philips Ordering Code: 442780 (100Q/CL/DC ESR)

Features & Benefits

• Superior Color Quality: CRI 100 for true-to-life colors, vibrant accents, and excellent rendering in displays or tasks.
• Bright & Crisp Output: High lumen performance in a compact form for focused, sparkling light.
• Dimmable: Fully compatible with standard dimmers for adjustable brightness and ambiance.
• Versatile Line Voltage: Operates directly on 120V—no low-voltage transformer needed.
• Compact Design: Mini-can T4 shape fits tight spaces in track, recessed, or specialty fixtures.

Common Applications

• Accent and display lighting in retail, museums, or galleries.
• Track lighting heads and spot fixtures.
• Stage, studio, or theatrical lighting (ANSI ESR standard).
• Specialty indoor/outdoor fixtures requiring bright, warm halogen light.

Classic halogen performance with Philips reliability—provides intense, warm illumination, though LED alternatives offer longer life and energy savings today. Do not touch the bulb with bare hands (use gloves to avoid oil residue shortening life).