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1.0 120
Relative Radiant Intensity
Forward Current IF (mA)
100 80 60 40 20 0 -40 -20 0 20 40 60 80 100
0.5
0 800
900 Wavelength (nm)
1000
Ambient Temperature Ta ( o C)
FIG.1 SPECTRAL DISTRIBUTION
50
FIG.2 FORWARD CURRENT VS. AMBIENT TEMPERATURE
1.2
Output Power Relative To Value at IF=20mA
Forward Current (mA)
40 30 20 10 0 0 1.2 1.6 2.0 2.4 2.8 Forward Voltage (V)
1.0 0.8 0.6 0.4 0.2 0 -20 0 20 40 60 80 Ambient Temperature Ta ( o C)
FIG.3 FORWARD CURRENT VS. FORWARD VOLTAGE
10.0
FIG.4 RELATIVE RADIANT INTENSITY VS. AMBIENT TEMPERATURE
0
o
10
o
20
o o
30
Output Power Relative To Value at IF=20mA
8.0 6.0 4.0 2.0 0 0 40 80 120 160 200
Relative Radiant Intensity
40 1.0 0.9 0.8 0.7 50 60 70 80 90 0.5 0.3 0.1 0.2 0.4 0.6
o
o
o
o o o
Foward Current (mA)
FIG.5 RELATIVE RADIANT INTENSITY VS. FORWARD CURRENT
FIG.6 RADIATION DIAGRAM
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Price & Availability of LTE-4238

Part #	Manufacturer	Description	Price	BuyNow Qty.
LTE-4238 LTE-4238-ND	Lite-On Semiconductor Corporation	EMITTER IR 880NM 100MA RADIAL	5000: USD0.22089	0

Part #	Manufacturer	Description	Price	BuyNow Qty.
LTE-4238 LTE-4238	Lite-On Semiconductor Corporation	LED IrLED 880nm 2-Pin T-1 3/4 - Bag (Alt: LTE-4238)	50000: USD0.2187 25000: USD0.22356 12000: USD0.23004 7000: USD0.24138 5000: USD0.24786	0

Part #	Manufacturer	Description	Price	BuyNow Qty.
LTE-4238 859-LTE-4238	Lite-On Semiconductor Corporation	Infrared Emitters Infrared 880nm	1: USD0.72 10: USD0.47 100: USD0.308 1000: USD0.242 2000: USD0.226 5000: USD0.218 25000: USD0.217	362

Part #	Manufacturer	Description	Price	BuyNow Qty.
LTE-4238	Lite-On Semiconductor Corporation	Infrared Emitters Infrared 880nm	4000: USD0.215 3000: USD0.22 2000: USD0.225 1000: USD0.23	0

Part #	Manufacturer	Description	Price	BuyNow Qty.
LTE-4238	Lite-On Semiconductor Corporation	5 mm, 1 ELEMENT, INFRARED LED, 880 nm	187: USD0.2258 51: USD0.3226 1: USD0.4839	620

Part #	Manufacturer	Description	Price	BuyNow Qty.
LTE-4238 LTE-4238	Lite-On Semiconductor Corporation	IR transmitter; 5mm; 880nm; transparent; 20°; THT; 20mA; 1.3÷1.8V	5000: USD0.13 1000: USD0.15 100: USD0.18 10: USD0.3 1: USD0.7	0

Part #	Manufacturer	Description	Price	BuyNow Qty.
LTE-4238	Diodes Incorporated			127
LTE-4238C	Lite-On Semiconductor Corporation			5600
LTE-4238P	Lite-On Semiconductor Corporation			152

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