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Philips 288720 Leaflet

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MasterColor
®
Ceramic Metal Halide 
70 Watt PAR38 Spot 4K Lamp 
Featuring FadeBlock
™
& ALTO
®
Lamp Technology
■
Ordering Information
Ordering Code
CDM70/PAR38/SP/4K
ANSI Designation
M143/M98/O
Product Number
288720
Description
MasterColor 
Ceramic Metal Halide
Package Quantity
12
■
Physical Characteristics
Bulb Size
PAR-38
Bulb Finish
Clear
Base
Medium Skirted
Max. Overall Length (MOL)
5 7/16" (138mm)
Light Center Length (LCL)
N/A
Arc Length
N/A
Arc Tube  Material
Polycrystalline Alumina
Max. Permissible Bulb Temp.
300ºC (572ºF)
Max. Permissible Base Temp.
190ºC (374ºF)
Max. Bulb to Base Eccentricity
3º
Max. Arc Tube to Base Eccentricity
3º
■
Operating Characteristics (Photometric)
Rated Initial Lumens
(1)
4200
Mean Lumens, Approx.
(2)
3360
MBCP (Max. Beam Candlepower)
42,000
Beam Angle (at 50% of MBCP)
15º
Rated Average  Life, Hours
10,000
Correlated Color Temp. (CCT)
(2)
4000K
CIE Chromaticity Approx.
(2)
x-.380, y-.375
Color Rendering Index (CRI)
92
Efficacy (lpw)
60
■
Operating Position
Universal-Open or Enclosed PAR Style Luminaires
Note: Electronic ballasts are preferred for optimum performance,
energy efficiency and circuit loading.
MasterColor® Spectral Power Distribution—4K Types
RELA
TIVE ENERGY
400
450
500
550
600
650
700
WAVELENGTH (Nanometers)
350
300
250
200
150
100
50
0
CDM70/PAR38/SP/4K
0
5
10
15
Degrees from Beam Axis
50
40
30
20
10
0
(Candelas,
  ’000)
CANDLEPO
W
ER