LT1T21A Datasheet, PDF (1/5 Pages) Sharp Electrionic Components – ø2mm, Straight Type, Colorless Transparency, Compact LED Lamp for Backlight/Indicator

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˚
+40˚
80
-50˚
+50˚
60
-60˚
+60˚
40
-70˚
+70˚
20
-80˚
+80˚
-90˚
+90˚
0
2
0.5^±0.1
5˚
5˚
5˚
5˚ ^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
66
30
50
LT1P21A Red
GaP
23
10
50
LT1D21A Red
GaAsP on GaP
85
30
50
LT1S21A Sunset orange GaAsP on GaP
85
30
50
LT1H21A Yellow
GaAsP on GaP
50
20
50
LT1E21A Yellow-green GaP
50
20
50
*1 Duty ratio=1/10, Pulse width=0.1ms
*2 At the position of 3mm or more from the resin package
Derating factor _{Reverse voltage}
(mA/˚C)
VR
DC Pulse
(V)
0.40 0.67
5
0.13 0.67
5
0.40 0.67
5
0.40 0.67
5
0.27 0.67
5
0.27 0.67
5
Operating temperature Storage temperature Soldering temperature
Topr
Tstg
Tsol*2
(˚C)
(˚C)
(˚C)
-25 to +85 -25 to +100 260
-25 to +85 -25 to +100 260
-25 to +85 -25 to +100 260
-25 to +85 -25 to +100 260
-25 to +85 -25 to +100 260
-25 to +85 -25 to +100 260
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
→
10 (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.
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