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Infrared Light Emitting Diodes
LNA2902L (LN66A(L))
GaAs infrared light emitting diode
Unit: mm
Not soldered 2.0 max.
For optical control systems I Features
* High-power output, high-efficiency: Ie = 9 mW/sr (min.) * Emitted light spectrum is suited for silicon photodetectors * Good radiant power output linearity with respect to input current * Wide directivity: = 20 (typ.) * Transparent epoxy resin package * Long lead-wire type
7.650.2
5.00.2
6.00.2
1.0
24.11
5.050.3
1.5
2-0.8 max. 2-0.50.15
0.50.15
(1.5)
Parameter Power dissipation Forward current (DC) Pulse forward current Reverse voltage (DC) Operating ambient temperature Storage temperature
*
Symbol PD IF IFP VR Topr Tstg
Rating 160 100 1.5 3 -25 to +85 -40 to +100
Unit mW mA A V C C
6.00.2
1
2
0.50.15
I Absolute Maximum Ratings Ta = 25C
2.54
1: Anode 2: Cathode
Note) *: Less than f = 100 Hz, duty cycle = 0.1%
I Electro-Optical Characteristics Ta = 25C 3C
Parameter Radiant intensity Total power output Peak emission wavelength Spectral band width Forward voltage Pulse forward voltage Reverse current Total capacitance between terminals Beal angle at 50% axial intensity Cut-off frequency *2
*1
Symbol Ie PO P VF VFP IR Ct fC IF = 50 mA IF = 50 mA IF = 50 mA IF = 50 mA IF = 100 mA IFP = 1.0 A VR = 3 V
Conditions
Min 9.0
Typ
Max
Unit mW/sr
12.0 950 50 1.4 1.6 3.0 10 35 20 1
mW nm nm V V A pF MHz
VR = 0 V, f = 1 MHz The angle when the beam intensity is halved.
Note) *1: Less than f = 100 Hz, duty cycle = 0.1% PO at f = fC *2: Cut-off frequency fC: 10 x log = -3 PO at f = 50 kHz Note) The part number in the parenthesis shows conventional part number.
Publication date: October 2001 SHC00039AED
1
LNA2902L
IF T a
120
102
IFP Duty Cycle
tW = 10 s Ta = 25C 120
IF VF
Ta = 25C
100
Pulse forward current IFP (A)
10
100
Forward current IF (mA)
Forward current IF (mA)
10-1
80
80
1
60
60
10-1
40
40
20
10-2
20
0 -25
0
20
40
60
80
100
10-3 10-2
0 1 10 102 0 0.4 0.8 1.2 1.6 2.0
Ambient temperature Ta (C)
Duty cycle (%)
Forward voltage VF (V)
PO IFP
103 (1) tW = 10 s f = 100 Hz (2) DC Ta = 25C
VF Ta
1.6
PO Ta
10 IF = 50 mA
Relative radiant power output PO
102
Forward voltage VF (V)
1.2
IF = 100 mA 50 mA 10 mA
Relative radiant power output PO
1
10
(1)
0.8
1
(2)
10-1
10-1
0.4
10-2 1 10
102
103
104
0 -40
0
40
80
120
10-2 -40
0
40
80
120
Pulse forward current IFP (mA)
Ambient temperature Ta (C)
Ambient temperature Ta (C)
P Ta
1 000 IF = 50 mA
100
Spectral characteristics
IF = 50 mA Ta = 25C
Directivity characteristics
0 10 100 90
20
Peak emission wavelength P (nm)
Relative radiant intensity (%)
980
80
80 70
Relative radiant intensity (%)
30
960
60
60 50 40
40 50 60 70 80 90
940
40
30 20
920
20
900 -40
0
40
80
120
0 880
920
960
1 000
1 040
Ambient temperature Ta (C)
Wavelength (nm)
2
SHC00039AED
LNA2902L
Frequency characteristics
10 Ta = 25C
1
Modulation output
10-1
10-2
10-3 10
102
103
104
Frequency f (kHz)
SHC00039AED
3
Caution for Safety
Gallium arsenide material (GaAs) is used in this product.
DANGER
Therefore, do not burn, destroy, cut, crush, or chemically decompose the product, since gallium arsenide material in powder or vapor form is harmful to human health. Observe the relevant laws and regulations when disposing of the products. Do not mix them with ordinary industrial waste or household refuse when disposing of GaAs-containing products.
Request for your special attention and precautions in using the technical information and semiconductors described in this material
(1) An export permit needs to be obtained from the competent authorities of the Japanese Government if any of the products or technologies described in this material and controlled under the "Foreign Exchange and Foreign Trade Law" is to be exported or taken out of Japan. (2) The technical information described in this material is limited to showing representative characteristics and applied circuit examples of the products. It does not constitute the warranting of industrial property, the granting of relative rights, or the granting of any license. (3) The products described in this material are intended to be used for standard applications or general electronic equipment (such as office equipment, communications equipment, measuring instruments and household appliances). Consult our sales staff in advance for information on the following applications: * Special applications (such as for airplanes, aerospace, automobiles, traffic control equipment, combustion equipment, life support systems and safety devices) in which exceptional quality and reliability are required, or if the failure or malfunction of the products may directly jeopardize life or harm the human body. * Any applications other than the standard applications intended. (4) The products and product specifications described in this material are subject to change without notice for reasons of modification and/or improvement. At the final stage of your design, purchasing, or use of the products, therefore, ask for the most up-to-date Product Standards in advance to make sure that the latest specifications satisfy your requirements. (5) When designing your equipment, comply with the guaranteed values, in particular those of maximum rating, the range of operating power supply voltage and heat radiation characteristics. Otherwise, we will not be liable for any defect which may arise later in your equipment. Even when the products are used within the guaranteed values, redundant design is recommended, so that such equipment may not violate relevant laws or regulations because of the function of our products. (6) When using products for which dry packing is required, observe the conditions (including shelf life and afterunpacking standby time) agreed upon when specification sheets are individually exchanged. (7) No part of this material may be reprinted or reproduced by any means without written permission from our company.
Please read the following notes before using the datasheets
A. These materials are intended as a reference to assist customers with the selection of Panasonic semiconductor products best suited to their applications. Due to modification or other reasons, any information contained in this material, such as available product types, technical data, and so on, is subject to change without notice. Customers are advised to contact our semiconductor sales office and obtain the latest information before starting precise technical research and/or purchasing activities. B. Panasonic is endeavoring to continually improve the quality and reliability of these materials but there is always the possibility that further rectifications will be required in the future. Therefore, Panasonic will not assume any liability for any damages arising from any errors etc. that may appear in this material. C. These materials are solely intended for a customer's individual use. Therefore, without the prior written approval of Panasonic, any other use such as reproducing, selling, or distributing this material to a third party, via the Internet or in any other way, is prohibited. 2001 MAR

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