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Sharp Electronic Components Datasheet

LT1T21A Datasheet

2mm/ Straight Type/ Colorless Transparency/ Compact LED Lamp for Backlight/Indicator

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Mini-mold LED Lamp
LT1t21A series
LT1t21A series
s Outline Dimensions
Cathode mark
0.7±0.1
1
(Unit:mm)
0.25±0.1
2.6MAX
Colorless transparency
1.5
0.4
R1.0
0.4
1.0
2.5
R0.3
ø2mm, Straight Type, Colorless
Transparency, Compact LED
Lamp for Backlight/Indicator
s Radiation Diagram
(Ta=25˚C)
-30˚
-20˚ -10˚
0˚ 100 +10˚ +20˚
+30˚
-40˚
80
-50˚
60
-60˚
40
-70˚
20
-80˚
-90˚
0
+40˚
+50˚
+60˚
+70˚
+80˚
+90˚
2
0.5±0.1
R0.3
Pin connections
1 Cathode
2 Anode
Unspecified tolerance:±0.2
T type: There is Anode mark on the device because polarity faces in the
opposite direction.
s Absolute Maximum Ratings
(Ta=25˚C)
Power dissipation Forward current Peak forward current
Model No. Radiation color Radiation material P
IF
IFM*1
(mW) (mA)
(mA)
LT1T21A Red(High-luminosity) GaAlAs on GaAs
LT1P21A Red
GaP
LT1D21A Red
GaAsP on GaP
66
23
85
LT1S21A Sunset orange GaAsP on GaP
LT1H21A Yellow
GaAsP on GaP
LT1E21A Yellow-green GaP
85
50
50
*1 Duty ratio=1/10, Pulse width=0.1ms
*2 At the position of 3mm or more from the resin package
30
10
30
30
20
20
50
50
50
50
50
50
Derating factor Reverse voltage
(mA/˚C)
VR
DC Pulse
(V)
0.40 0.67
0.13 0.67
0.40 0.67
0.40 0.67
0.27 0.67
0.27 0.67
5
5
5
5
5
5
Operating temperature Storage temperature Soldering temperature
Topr
Tstg Tsol*2
(˚C) (˚C) (˚C)
-25 to +85
-25 to +85
-25 to +85
-25 to +85
-25 to +85
-25 to +85
-25 to +100
-25 to +100
-25 to +100
-25 to +100
-25 to +100
-25 to +100
260
260
260
260
260
260
s Electro-optical Characteristics
Lens
type
Model No.
LT1T21A
LT1P21A
Colorless LT1D21A
transparency LT1S21A
LT1H21A
LT1E21A
Forward voltage
VF(V)
TYP MAX
1.75 2.2
1.9 2.3
2.0 2.8
2.0 2.8
1.9 2.5
1.95 2.5
Peak emission wavelength
λp(nm)
IF
TYP (mA)
660 20
695 5
635 20
610 20
585 10
565 10
Luminous intensity
IV(mcd) IF
TYP (mA)
19.0 20
2.6 5
14.4 20
14.0 20
4.5 10
9.1 10
Spectrum radiation bandwidth
λ(nm) IF
TYP (mA)
20 20
100 5
35 20
35 20
30 10
30 10
Reverse current
IR(µA) VR
MAX (V)
10 4
10 4
10 4
10 4
10 4
10 4
(Ta=25˚C)
Terminal capacitance Page for
Ct(pF)
characteristics
TYP (MHZ) diagrams
30 1
55 1
20 1
15 1
35 1
35 1
(Notice) ¡In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP
10devices shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
(Internet) ¡Data for sharp's optoelectronic/power device is provided for internet.(Address http://www.sharp.co.jp/ecg/)


Sharp Electronic Components Datasheet

LT1T21A Datasheet

2mm/ Straight Type/ Colorless Transparency/ Compact LED Lamp for Backlight/Indicator

No Preview Available !

LED Lamp Characteristics Diagrams
PR series
Forward Current Derating Curve
60
50
40
30
20
10
0
-25 0
25 50 75 85 100 125
Ambient temperature Ta(˚C)
Peak Forward Current Derating Curve
60
50
40
30
20
10
0
-25 0 25 50 75 85 100 125
Ambient temperature Ta(˚C)
Forward Current vs. Forward Voltage(Note)
(Ta=25˚C)
100
50
10
5.0
1.0
0.5
0.1
1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6
Forward voltage VF(V)
Luminous Intensity vs. Forward Current(Note)
1000
(Ta=25˚C)
500
200
100
50
20
10
5.0
2.0
1.0
0.1 0.2
0.5 1 2
5 10 20
Forward current IF(mA)
50
Luminous Intensity vs. Ambient Temperature(Note)
1000
(Ta=25˚C)
500
100
50
10
5.0
1.0
-20 0 20 40 60 80 100 120
Ambient temperature Ta(˚C)
Duty Ratio vs. Peak Forward Current
(Ta=25˚C)
500
200
100
50
20
10
5.0
2.0
1.0
1/50 1/20 1/10 1/5 1/2 1
Duty ratio DR
HD series
Forward Current Derating Curve
60
50
Forward Current vs. Forward Voltage(Note)
(Ta=25˚C)
100
50
Luminous Intensity vs. Ambient Temperature(Note)
1000
(Ta=25˚C)
500
40 10 100
5.0
30
50
20 1.0
10
0.5 5.0
10
0
-25 0
25 50 75 85 100 125
Ambient temperature Ta(˚C)
0.1
1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6
Forward voltage VF(V)
1.0
-20 0 20 40 60 80 100 120
Ambient temperature Ta(˚C)
Peak Forward Current Derating Curve
60
50
Luminous Intensity vs. Forward Current(Note)
1000
(Ta=25˚C)
500
200
40 100
50
30
20
20
10
0
-25
0 25 50 75 85 100
Ambient temperature Ta(˚C)
125
10
5.0
2.0
1.0
0.1 0.2
0.5 1 2
5 10 20
Forward current IF(mA)
50
Note)Characteristics shown in diagrams are typical values. (not assurance value)
Duty Ratio vs. Peak Forward Current
(Ta=25˚C)
500
200
100
50
20
10
5.0
2.0
1.0
1/50 1/20 1/10 1/5 1/2 1
Duty ratio DR
18 (Notice) ¡In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP
devices shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
(Internet) ¡Data for sharp's optoelectronic/power device is provided for internet.(Address http://www.sharp.co.jp/ecg/)


Part Number LT1T21A
Description 2mm/ Straight Type/ Colorless Transparency/ Compact LED Lamp for Backlight/Indicator
Maker Sharp Electrionic Components
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