Product Overview
Ushio 1000617 FTB 12V 20W MR11 Narrow Spot Halogen Lamp - GZ4 Base - 10° Beam
Compact 20-watt low voltage halogen reflector lamp featuring faceted dichroic coating and C-6 filament design. Delivers 3,000 center beam candlepower with 10° narrow spot beam spread and 2925K warm white color temperature. GZ4 miniature bi-pin base for landscape lighting, display cases, and accent applications. 2,000-hour rated life with open face design.
Technical Specifications
Ushio Order Code:1000617
Description:FTB, JDR/M12V-20W/G/SP10
ANSI Code:FTB
Wattage:20W
Voltage:12V (Low Voltage)
Amperage:1.67A
Bulb Type:MR11 Reflector
Reflector Type:Faceted Dichroic Coated
Base Type:GZ4 Miniature 2-Pin (4mm spacing)
Filament Type:C-6
Color Temperature:2925K Warm White
Color Rendering Index (CRI):100
Center Beam Candlepower (CBCP):3,000
Beam Angle:10° Narrow Spot
Front Glass:No (Open Face)
Maximum Overall Length (MOL):1.38 inches (35.0 mm)
Bulb Diameter:1.36 inches (34.5 mm)
Rated Average Life:2,000 hours
Burn Position:Universal (Any position)
Case Quantity:10 per case
Manufacturer:Ushio America
Key Features
- Faceted Reflector: Precision-cut facets provide optimal beam control and 3,000 CBCP intensity
- C-6 Filament: Compact coil design ensures consistent beam pattern
- GZ4 Base: Miniature 2-pin connection for small fixtures
- 10° Narrow Spot: Tight beam angle for precise accent lighting
- Universal Burn Position: Operates reliably in any orientation
- Open Face Design: Maximum light output for enclosed fixtures
- Compact Size: 35mm diameter fits tight fixture spaces
- Made in Japan: Manufactured under strict quality standards
Primary Applications
- Landscape and garden lighting
- Retail display cases
- Accent and architectural lighting
- Track lighting systems
- Museum and gallery exhibits
- Jewelry and merchandise highlighting
- Residential spot lighting
Available FTB Variations
| Ushio Code | Description | Front Glass | Beam Angle | CBCP |
|---|---|---|---|---|
| 1000617 | FTB, JDR/M12V-20W/G/SP10 | Open Face | 10° Spot | 3,000 |
| 1000618 | FTB/FG, JDR/M12V-20W/G/SP10/FG | With Glass | 10° Spot | 3,000 |
| 1000615 | FTA, JDR/M12V-12W/G/NSP9.5 | Open Face | 9.5° Narrow Spot | 2,300 |
| 1000619 | FTC, JDR/M12V-20W/G/SP17 | Open Face | 17° Spot | 1,400 |
| 1000621 | FTD, JDR/M12V-20W/G/FL30 | Open Face | 30° Flood | 600 |
Cross Reference Numbers
Equivalent to: FTB, JDR/M12V-20W/G/SP10, Q20MR11/NSP10
Similar Products: FTA (12W, 9.5°), FTC (20W, 17°), FTD (20W, 30° flood)
Technical Information
- Requires 12V low voltage transformer - do not exceed rated voltage
- GZ4 base (4mm pin spacing) - not compatible with G4 or GU4 bases
- 2,000-hour rated life based on 3 hours per start operation
- Dimmable with standard incandescent/halogen dimmers
- Open face design requires use in fully enclosed fixtures
- Universal burn position allows flexible installation options
Safety Information
Important Safety Notes
- Only for use in approved enclosed halogen fixtures
- Open face lamp - no front glass protection
- Use gloves when handling to prevent oil contamination on reflector
- Allow lamp to cool before replacement
- Ensure proper ventilation in enclosed fixtures