Product Overview
Philips 442954 - 35W 14V GZ4 Focusline Type 13165 Halogen Lamp
The Philips 442954 (ANSI 13165) is a high-precision Focusline halogen reflector lamp. Engineered for technical applications, this 35W, 14V lamp features a GZ4 bi-pin base and a dichroic reflector that sends heat backward while projecting a brilliant, daylight-balanced 3400K beam forward. It is widely used in medical microscopy, dental lighting, and high-end projection systems.
Technical Specifications
| Wattage | 35W | Voltage | 14V |
| Base Type | GZ4 Bi-Pin | ANSI Code | 13165 |
| Color Temp | 3400K | CRI | 100 (Excellent) |
| Rated Life | 50 Hours | Filament | C-6 |
| MOL | 42mm | Diameter | 35mm (MR11) |
Performance & Design
- Quartz UV-Block: Features a distortion-free quartz bulb that filters out harmful UV radiation.
- Dichroic Coating: The internal reflector coating dissipates heat through the back of the lamp to protect sensitive medical or film equipment.
- High Precision: The C-6 filament is precisely aligned for consistent focal points in optical systems.
- Universal Burn: Can be operated in any orientation without loss of life or performance.
Industry Cross-Reference
Direct replacement for the following models:
- Osram: 014142 (64607)
- Sylvania: 54164
- Ushio: 1000350 (EFP/13165)
- Philips Code: 442954
⚠️ Safety & Installation Guidelines
- High Heat: Operating temperatures exceed 300°C. Do not touch the lamp during operation and allow at least 15 minutes for cool-down.
- Handling: Never touch the inner quartz bulb with bare fingers. Oils from your skin can cause hot spots and premature failure. Clean with alcohol if touched.
- Voltage Regulation: Do not exceed 15.4V to prevent instantaneous lamp failure.
- Enclosed Fixtures: This halogen lamp must be used in fixtures designed to contain fragments in the event of a bulb burst.
EAN/UPC: 8711500409768 | Certifications: UL Listed, RoHS, IEC 60432-3