Phosphor Type 139

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GENERAL INFORMATION:

JEDEC Number: P-31

Chemical Composition: ZnS:Cu:Ag 

Application: Data Display

Typical Optical Properties:

Fluorescence:                 Green

Wavelength at Peak:       535 nm

Line/Band Width:             75 nm

ICI Color Coordinates:     x = 0.285 - y = 0.580

Relative CR Brightness (Type 1230 P-22 Green = 100): 96.8

Decay Classification: Medium Short

Typical Physical Properties:

Particle Size Distribution - Coulter Counter (Size in Microns at Listed Percentiles):

                                           25%      50%      75%

Ultrasonic Dispersion:         6.4        9.0       12.0

Quartile Deviation: 0.31

Fisher Sub-Sieve Sizer Number: 9.30

Material Density (g/cc): 4.0

Bulk Density (g/cc): 1.289

Body Color: Yellow-Green