Philips MasterColor 281337 Specifications

MasterColor ®
70W ED-17 4K (Coated)
Featuring ALTO ® Lamp Technology
7
5 / "
16
MasterColor® Spectral Power Distribution—4K Types
350
300
250
200
150
100
50
0
400 450 500 550
WAVELENGTH (Nanometers)
Average Lumen Maintenance Curve, MHC70/U/M/4K
Clear and Coated
100
90
80
70
60
50
40
0 5000 10000
Burning Hours
Metal Halide
Ordering Information
Ordering Code
ANSI Designation
Product Number
Description
Package Quantity
Physical Characteristics
Bulb Size
Bulb Finish
Base
Max. Overall Length (MOL)
7
3 / "
16
Light Center Length (LCL)
Arc Length
Arc Tube Material
Max. Permissible Bulb Temp.
Max. Permissible Base Temp.
Max. Bulb to Base Eccentricity
Max. Arc Tube to Base Eccentricity
Operating Characteristics (Photometric)
Rated Initial Lumens
Mean Lumens, Approx.
Rated Average Life, Hours
Correlated Color Temp. (CCT)
CIE Chromaticity Approx.
Color Rendering Index (CRI)
Efficacy (lpw)
Operating Position
600 650 700
15000 20000
1
2
2
Universal—Enclosed Luminaires Only
Note: Electronic ballasts are preferred for optimum performance,
energy efficiency and circuit loading.
MHC70/C/U/M/4K/ALTO
M143/M98/E
281337
MasterColor Metal Halide
12
ED-17
Phosphor-Coated
Medium-Screw
5 7/16'' (138mm)
3 7/16'' (87mm)
0.354'' (9mm)
Poly Crystalline Alumina
400ºC (752ºF)
190º C (374º F)
3º
3º
5500
3850
20,000
2 4000K
x-.380, y-.375
92
79