Product Overview
GE 20859 FMW/CG 35W MR16 Flood | 12V 40° 900 CBCP | ConstantColor
GE ConstantColor® Precise™ FMW/CG 35W MR16 Flood Lamp
Order Code 20859 — 40° Wide Flood — UV-Filtered Cover Glass — 5,000 Hour Life
⚠️ PRODUCT STATUS: DISCONTINUED — Limited Stock Available — See Alternatives Below
Key Specifications
Product Overview
The GE ConstantColor® Precise™ FMW/CG 35-Watt MR16 Flood Lamp (Order Code: 20859) delivers broad, even illumination with GE's proprietary ConstantColor® reflector coating. This covered-glass lamp features a 40° wide flood beam, 900 CBCP, and 520 lumens of 3000K warm white light—ideal for general illumination and wall washing applications.
The UV-filtered cover glass protects sensitive materials while the C-6 filament and advanced dichroic reflector provide smooth beam patterns. With a 5,000-hour rated life, this lamp outlasts standard MR16 alternatives while maintaining consistent color quality.
Note: This product has been discontinued by GE. Please contact us to check availability or discuss alternative replacements.
Technical Specifications
Electrical
- Wattage
- 35 Watts
- Voltage
- 12 Volts (Low Voltage)
- Base Type
- GU5.3 / GX5.3 Bi-Pin
- Filament
- C-6 (Added)
- Amperage
- 2.92A
Light Output
- Beam Angle
- 40° Wide Flood (WFL)
- Center Beam Candle Power (CBCP)
- 900 cd
- Initial Lumens
- 520 lm (Added)
- Color Temperature
- 3000K Warm White
- Color Rendering Index
- 100 CRI
Physical
- Maximum Overall Length (MOL)
- 47.6 mm (1.875 inches)
- Bulb Diameter
- 50.8 mm (2.0 inches)
- Face Design
- Clear Cover Glass with UV Filter
- Burn Position
- Universal
Product Information
- GE Order Code
- 20859
- Description
- Q35MR16C/CG40 (FMW/CG)
- ANSI Code
- FMW/CG
- UPC
- 043168994224 (Verify)
- Rated Life
- 5,000 Hours
- Product Status
- DISCONTINUED
ConstantColor® Technology Benefits
GE's ConstantColor® reflector coating delivers consistent clear white light throughout the lamp's rated life. Unlike ordinary MR16 reflectors that produce murky, greenish light as they age—discoloring illuminated objects—ConstantColor® maintains:
- Stable 3000K color temperature from first hour to last
- High lumen maintenance — consistent light output throughout 5,000-hour life
- No greenish tint that affects merchandise and artwork appearance
- Smooth, even beam pattern with minimal light leakage
Performance & Benefits
- Broad Beam Coverage: 40° flood provides even wall washing and general illumination
- UV Protection: Cover glass filters UV radiation—safe for sensitive materials
- Superior Color Consistency: ConstantColor® coating prevents greenish tint development
- Long Life: 5,000-hour rated life exceeds standard MR16 lamps (2,000-4,000 hours)
- High Efficacy: 520 lumens from 35W provides excellent light output
- Universal Operation: Works in any burn position for flexible installation
- High Color Accuracy: 100 CRI ensures vivid, true-to-life color rendering
Recommended Applications
- Retail display and general illumination
- Wall washing and accent lighting
- Museum and gallery ambient lighting
- Hospitality lighting (hotels, restaurants)
- Track lighting systems
- Recessed downlighting
Alternative Replacements
Since the GE 20859 has been discontinued, consider these alternatives:
- GE 20860: Q50MR16C/CG40 (50W version, higher output)
- GE 20858: Q20MR16C/CG40 (20W version, energy saving)
- GE 77906: 35W IR flood (HIR technology, energy saving)
- LED MR16 replacements: Greater energy savings, longer life (verify dimmer compatibility)
Contact our sales team for current availability and cross-reference assistance.
Safety Information
- Keep combustible materials away from lamp during operation
- Use only in fixtures rated for this product
- Do not use if cover glass is scratched or broken
- Allow lamp to cool before handling
- Turn power off before installing or removing lamp
- Dispose of lamp in a closed container
