Philips 281337 Prospecto

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Featuring ALTO

®

Lamp Technology

◗ Ordering Information

Ordering Code

MHC70/C/U/M/4K/ALTO

ANSI Designation

M143/M98/E

Product Number

281337

Description

MasterColor Metal Halide

Package Quantity

12

◗ Physical Characteristics

Bulb Size

ED-17

Bulb Finish

Phosphor-Coated

Base

Medium-Screw

Max. Overall Length (MOL)

5 7/16'' (138mm)

Light Center Length (LCL)

3 7/16'' (87mm)

Arc Length

0.354'' (9mm)

Arc Tube  Material

Poly  Crystalline Alumina

Max. Permissible Bulb Temp.

400ºC (752ºF)

Max. Permissible Base Temp.

190º C (374º F)

Max. Bulb to Base Eccentricity

3º

Max. Arc Tube to Base Eccentricity

3º

◗ Operating Characteristics (Photometric)

Rated Initial Lumens

1

5500

Mean Lumens, Approx.

2

3850

Rated Average  Life, Hours

20,000

Correlated Color Temp. (CCT)

2

4000K

CIE Chromaticity Approx.

2

x-.380, y-.375

Color Rendering Index (CRI)

92

Efficacy (lpw)

79

◗ Operating Position

Universal—Enclosed Luminaires Only

Note: Electronic ballasts are preferred for optimum performance,

energy efficiency and circuit loading.

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