L474EC Просмотр технического описания (PDF) - Kingbright
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L474EC Datasheet PDF : 5 Pages
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Selection Guide
Part No.
Dice
Lens Type
L474IT
L474EC
L474GT
L474GC
L474YT
L474YC
HIGH EFFICIENCY RED (GaAsP/GaP)
GREEN (GaP)
YELLOW (GaAsP/GaP)
RED TRANSPARENT
WATER CLEAR
GREEN TRANSPARENT
WATER CLEAR
YELLOW TRANSPARTENT
WATER CLEAR
Note:
1. θ1/2 is the angle from optical centerline where the luminous intensity is 1/2 the optical centerline value.
Iv (mcd)
@ 10 mA
Min.
3
3
2
2
2
2
Typ.
8
8
5
5
5
5
View in g
Angle
2θ1/2
130°
130°
130°
130°
130°
130°
Electrical / Optical Characteristics at T)=25°C
Symbol
λpeak
λD
∆λ1/2
C
VF
IR
Parameter
Device
Peak Wavelength
High Efficiency Red
Green
Yellow
High Efficiency Red
Dominate Wavelength Green
Yellow
High Efficiency Red
Spectral Line Halfwidth Green
Yellow
Capacitance
High Efficiency Red
Green
Yellow
Forward Voltage
High Efficiency Red
Green
Yellow
Reverse Current
All
Typ.
627
565
590
625
568
588
45
30
35
15
15
20
2.0
2.2
2.1
Max.
Units
nm
Test Conditions
IF=20mA
nm
IF=20mA
nm
IF=20mA
pF
VF=0V;f=1MHz
2.5
2.5
V
2.5
10
uA
IF=20mA
VR = 5V
Absolute Maximum Ratings at T)=25°C
Parameter
High Efficiency Red
Power dissipation
105
DC Forward Current
30
Peak Forward Current [1]
160
Reverse Voltage
5
Operating/Storage Temperature
Lead Solder Temperature [2]
Notes:
1. 1/10 Duty Cycle, 0.1ms Pulse Width.
2. 4mm below package base.
Green
Yellow
105
105
25
30
140
140
5
5
-40°C To +85°C
260°C For 5 Seconds
Units
mW
mA
mA
V
SPEC NO: CDA0721
APPROVED : J. Lu
REV NO: V.1
CHECKED :
DATE: NOV/11/2001
DRAWN: R.X.Jin
PAGE: 2 OF 5
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