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  Datasheet File OCR Text:
 GaAIAs
Ultra Bright GaAIAs Lamps
Unit: mm
2 Max. NOT SOLDERED
Square Type 4.0 mm 2.0 mm Series
Conventional Part No. Global Prat No. Lighting Color
4.0 0.2
5.0 0.2
2.0 0.2
4.5 0.3 14.5 1.0
LN251CAL(U) ********** LNG251CBA ************ Red
2 - 0.8 Max 2 - 0.5 0.1
1.0
3.5
s
Absolute Maximum Ratings (Ta = 25C)
0.5 0.1
Lighting Color PD(mW) IF(mA) IFP(mA) VR(V) Topr(C) Tstg(C) Red 70 150 30 3 -25 +85 -30 +100
IFR duty 10% Pulse width 1 msec. The condition of IFP is duty 10%, Pulse width 1 msec
1
2.54 2
1.5
1: Anode 2: Cathode
s Conventional Part No. LN251CAL(U) Unit
Electro-Optical Characteristics (Ta = 25C) Lighting Lens Color Color Red Clear - - IO Typ 5 mcd Min 2 mcd IF 20 mA Typ 1.8 V VF Max 2.6 V P Typ 665 nm Typ 20 nm IR IF 20 mA Max 100 A VR 3 V
IO IF
10 100
I F VF
(%) Relative Luminous Intensity
50 500 300
IO Ta
IO (mcd) Luminous Intensity
5 3
IF (mA) Forward Current
30
1 0.5 0.3
10 5 3
100 50 30
0.1 1
3
5
10
30
50
100
1
1.6
1.8
2.0
2.2
2.4
10 -20
0
20
40
60
80
100
IF (mA) Forward Current
VF (V) Forward Voltage
Ta (C ) Ambient Temperature
IF (mA) Forward Current
Relative Luminous Intensity Wavelength Characteristics
50
IF Ta
(%) Relative Luminous Intensity
100 80
Directive Characteristics
20 10 30 40 0 80 60 10 20 30 40 50 60 40 20 80 60 40 20 0 20 40 60 80
40
30
60 40 20 0 500
50 60 70 80 600 700 800 90 100
20
70 80 90 100
10
0
0
P (nm) Wavelength
20
40
60
80
100
(%) Relative Luminous Intensity
Ta (C ) Ambient Temperature
244


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