Model No. GM2BB**GT4E
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3-2. Electro-optical characteristics
（Tc＝25℃）
Parameter
Symbol
VF
Conditions
MIN.
TYP.
MAX.
Unit
V
Forward voltage
12.8
(11.8)
-
-
Luminous flux
(Note 1)
Φv
lm
-
-
-
-
See diagram below
I
F =50mA
-
ｘ
ｙ
3-2.1
Chromaticity coordinates
(Note 2)
-
Color rendering index
(Note 3)
Ra
65
(70)
3-2.1 Fundamental characteristics in all models
（Tc＝25℃）
Typical of chromaticity
coordinates Typ.
Colortemperature
Chromaticity
Luminous flux
Model No.
Typ.
diagram
Typ.
GM2BB65GT4E
GM2BB57GT4E
GM2BB50GT4E
(6 500)
(5 700)
(5 000)
(0.3123,0.3282)
(0.3287,0.3417)
(0.3447,0.3553)
(73.0)
(78.0)
(78.0)
6-1
Page 10
（I ＝50mA）
F
(Note 1)ꢀMonitored by 8 inch integrating sphere of Sharp Standard. (After 20 ms drive) (Tolerance: ±10%)
(Note 2) Measured by 8 inch integrating sphere of Sharp Standard. (After 20ms drive) (Tolerance: ±0.01)
(Note 3) Measured by 8 inch integrating sphere of Sharp Standard. (After 20ms drive) (Tolerance: ±5)
(Note 4) Values inside parentheses are indicated only for reference, and are not guaranteed.
4
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