Sharp LT1T21A, LT1S21A, LT1H21A, LT1P21A, LT1D21A Datasheet

Mini-mold LED Lamp	LT1 21A series

LT1 21A series

ø2mm, Straight Type, Colorless Transparency, Compact LED Lamp for Backlight/Indicator

■ Outline Dimensions

(Unit:mm)

■ Radiation Diagram

(Ta=25˚C)

Cathode mark			0.7±0.1				0.25±0.1
			1
14.0MIN	(1.5)
				3.0		2.6MAX	Colorless transparency
	(4.0)		0.4		˚	1.5	5˚
					5
						R
						1.0
	4.0	3.0					˚
							5
15.5MIN			0.4		5˚	1.0
			2.5
				3.0			R0.3
			2
			0.5±0.1
		5˚		5˚
							Pin connections
							1 Cathode
		5˚	5˚	R0.3			2 Anode
						Unspecified tolerance:±0.2

T type: There is Anode mark on the device because polarity faces in the opposite direction.

-30˚	-20˚	-10˚		0˚ 100	+10˚	+20˚	+30˚
-40˚							+40˚
			intensity(%)	80
-50˚							+50˚
				60
-60˚			luminous				+60˚
				40
-70˚			Relative				+70˚
				20
-80˚							+80˚
-90˚				0			+90˚

■ Absolute Maximum Ratings																																	(Ta=25˚C)
								Power dissipation				Forward current			Peak forward current		Derating factor					Reverse voltage				Operating temperature			Storage temperature			Soldering temperature
Model No.		Radiation color		Radiation material					P			IF			IFM*1			(mA/˚C)					VR				Topr		Tstg				Tsol*2
									(mW)			(mA)			(mA)			DC	Pulse				(V)				(˚C)		(˚C)				(˚C)
LT1T21A		Red(High-luminosity)		GaAlAs on GaAs					66			30				50	0.40		0.67				5				-25 to +85		-25 to +100				260
LT1P21A		Red		GaP					23			10				50	0.13		0.67				5				-25 to +85		-25 to +100				260
LT1D21A		Red		GaAsP on GaP					85			30				50	0.40		0.67				5				-25 to +85		-25 to +100				260
LT1S21A		Sunset orange		GaAsP on GaP					85			30				50	0.40		0.67				5				-25 to +85		-25 to +100				260
LT1H21A		Yellow		GaAsP on GaP					50			20				50	0.27		0.67				5				-25 to +85		-25 to +100				260
LT1E21A		Yellow-green		GaP					50			20				50	0.27		0.67				5				-25 to +85		-25 to +100				260
*1 Duty ratio=1/10, Pulse width=0.1ms
*2 At the position of 3mm or more from the resin package
■ Electro-optical Characteristics																																	(Ta=25˚C)
Lens				Forward voltage		Peak emission wavelength								Luminous intensity				Spectrum radiation bandwidth						Reverse current					Terminal capacitance				Page for
	Model No.			VF(V)				p	(nm)			IF		IV(mcd)		IF		Δl(nm)				IF		R			VR		Ct(pF)				characteristics
type							l				(mA)					(mA)					(mA)			I (µA)			(V)				(MHZ)		diagrams
				TYP	MAX		TYP							TYP				TYP						MAX					TYP
	LT1T21A			1.75	2.2		660				20			19.0		20		20			20			10			4		30		1		®
Colorless	LT1P21A			1.9	2.3		695				5			2.6		5		100			5			10			4		55		1		®
	LT1D21A			2.0	2.8		635				20			14.4		20		35			20			10			4		20		1		®
transparency	LT1S21A			2.0	2.8		610				20			14.0		20		35			20			10			4		15		1		®
	LT1H21A			1.9	2.5		585				10			4.5		10		30			10			10			4		35		1		®
	LT1E21A			1.95	2.5		565				10			9.1		10		30			10			10			4		35		1		®

(Notice) ÁIn 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. 1

(Internet) ÁData for sharp's optoelectronic/power device is provided for internet.(Address http://www.sharp.co.jp/ecg/)

LED Lamp Characteristics Diagrams

PR series

Forward Current Derating Curve																Forward Current vs. Forward Voltage(Note)
	60																100																							(Ta=25˚C)
(mA)IF	50															(mA)IF	50
	40																10
currentForward	20															currentForward	5.0
																	1.0
	30																0.5
	10
	0																0.1
	-25		0	25		50		75		85	100		125
																	1.0		1.2		1.4				1.6				1.8				2.0			2.2		2.4			2.6
				Ambient temperature Ta(˚C)																						Forward voltage VF(V)
Peak Forward Current Derating Curve																Luminous Intensity vs. Forward Current(Note)
	60																1000																							(Ta=25˚C)
	50																500
(mA)IcurrentforwardPeakFM																intensity(%)luminousRelative	200
	40																100
	30																50
																	20
	20																10
	10																5.0
																	2.0
	0																1.0
																	0.1		0.2		0.5				1				2				5			10		20			50
	-25		0	25		50		75		85	100		125
				Ambient temperature Ta(˚C)																					Forward current IF(mA)

Luminous Intensity vs. Ambient Temperature(Note)

(Ta=25˚C)

1000

	500
intensity(%)	50
	100
luminous
Relative	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
	IFM(mA)	200
		100
	current	50
	forward
		20
	Peak	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																Forward Current vs. Forward Voltage(Note)
	60																100															(Ta=25˚C)
(mA)IF	50															(mA)IF	50
																	10
	40
currentForward																currentForward	5.0
	20																1.0
	30																0.5
	10
																	0.1
	0
																	1.0		1.2		1.4		1.6		1.8		2.0		2.2		2.4		2.6
	-25		0	25		50		75		85	100		125
				Ambient temperature Ta(˚C)																			Forward voltage VF(V)

Luminous Intensity vs. Ambient Temperature(Note)

(Ta=25˚C)

1000

	500
intensity(%)	50
	100
luminous
Relative	10
	5.0
	1.0

-20	0	20	40	60	80	100	120
		Ambient temperature Ta(˚C)

Peak Forward Current Derating Curve																Luminous Intensity vs. Forward Current(Note)
	60																1000																						(Ta=25˚C)
	50																500
(mA)IcurrentforwardPeakFM																intensity(%)luminousRelative	200
	40																100
	30																50
																	20
	20																10
	10																5.0
																	2.0
	0																1.0
																	0.1		0.2		0.5			1				2		5			10				20		50
	-25		0	25		50		75		85	100		125
				Ambient temperature Ta(˚C)																					Forward current IF(mA)

Duty Ratio vs. Peak Forward Current

(Ta=25˚C)

		500
	IFM(mA)	200
		100
	current	50
	forward	20
	Peak	10
		5.0

2.0

1.0

1/50

1/20

1/10

1/5

1/2

1

Duty ratio DR

Note)Characteristics shown in diagrams are typical values. (not assurance value)

(Notice) ÁIn the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP 8 devices shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.

(Internet) ÁData for sharp's optoelectronic/power device is provided for internet.(Address http://www.sharp.co.jp/ecg/)